{"accepted_at":"2026-10-14T18:14:39.567Z","analyses":[{"analysis_id":"rv_3d2df96b56e47a2cc7a44055477c1523e0385fb4bc1a990446bba5384096ba5c","analysis_type":"buyer_fit","claim_ids":["rv_c10686d728b91cc560abd6c1c25f903fb4327abbd7414fe6c89632fd1c776774","rv_5fb7a98c6a01f7b629342adec57f3360930cc0aea293f71462e157000bf59a04","rv_d7d0f1306b5887c9b48ea0efbd96085f13f1b3fb23225498ce05e33976a5a584","rv_2815be7741abacad5209cb448d1b6b19b12e2509a9025bcce9485199b61bbda7","rv_0b7832be3ba272d7434591599cfd9eeae53fb63fcf5bdf642ae5620e93539f2e","rv_c5b71ea1b74350bc6d08e698629bdf66c267e22afc0378073231cff2ce085f6f","rv_efa46b2dc9d97f5d1e4cf0cae1aabced9fa78e70ec3904b46bdaf8a1f8204d1c","rv_d6a5ffa4e078fec30b138a56e2f176109e71611e728fc942e098861bee4e6e74"],"confidence":0.9,"method":"Evidence synthesis","summary":"The Audio-Technica ATH-R50x is best supported as a reference headphone for engineers and mixers. Reviews describe an exceptionally wide soundstage, long-wear comfort, solid construction, very low measured distortion, and no need for a high-powered amplifier. Its open design leaks sound and does not attenuate outside noise, and one comparison found it less even and neutral than the ATH-R70xa.","title":"Wide open-back reference headphone for engineers and mixers"}],"canonical_urls":{"de":"https://knowspec.com/de/products/amazon-us/asin~b0dsmg4k6k/audio-technica-ath-r50x-professional-open-back-reference-headphones/","en":"https://knowspec.com/en/products/amazon-us/asin~b0dsmg4k6k/audio-technica-ath-r50x-professional-open-back-reference-headphones/","es":"https://knowspec.com/es/products/amazon-us/asin~b0dsmg4k6k/audio-technica-ath-r50x-professional-open-back-reference-headphones/","fr":"https://knowspec.com/fr/products/amazon-us/asin~b0dsmg4k6k/audio-technica-ath-r50x-professional-open-back-reference-headphones/","ja":"https://knowspec.com/ja/products/amazon-us/asin~b0dsmg4k6k/audio-technica-ath-r50x-professional-open-back-reference-headphones/","pt-BR":"https://knowspec.com/pt-br/products/amazon-us/asin~b0dsmg4k6k/audio-technica-ath-r50x-professional-open-back-reference-headphones/","th-TH":"https://knowspec.com/th-th/products/amazon-us/asin~b0dsmg4k6k/audio-technica-ath-r50x-professional-open-back-reference-headphones/"},"content_hash":"sha256:ad08a8536d4284650127d76bfa1eeeca98a05d2c604f7774a06e6a2233347d41","direct_answer":{"claim_ids":["c_amp","c_build","c_comf","c_dist","c_exp","c_fit","c_iso","c_lim"],"source_numbers":[],"text":"The Audio-Technica ATH-R50x is best supported as a reference headphone for engineers and mixers. Reviews describe an exceptionally wide soundstage, long-wear comfort, solid construction, very low measured distortion, and no need for a high-powered amplifier. Its open design leaks sound and does not attenuate outside noise, and one comparison found it less even and neutral than the ATH-R70xa."},"facts":[{"predicate":"editorial.summary","values":[{"claim_id":"c_amp","confidence":0.87,"conflicted":false,"region":"US","unit":null,"value":"The reviewer says no high-powered amplifier is necessary."},{"claim_id":"c_build","confidence":0.82,"conflicted":false,"region":"US","unit":null,"value":"DIY-Audio-Heaven describes it as well built and comfortable."},{"claim_id":"c_comf","confidence":0.85,"conflicted":false,"region":"US","unit":null,"value":"Recording Magazine found it comfortable for long wear."},{"claim_id":"c_dist","confidence":0.9,"conflicted":false,"region":"US","unit":null,"value":"Measured distortion above 100 Hz was very low."},{"claim_id":"c_exp","confidence":0.85,"conflicted":false,"region":"US","unit":null,"value":"Headphone Dungeon found the soundstage exceptionally wide."},{"claim_id":"c_rep","confidence":0.9,"conflicted":false,"region":"US","unit":null,"value":"The detachable cable can be replaced."}]},{"predicate":"product.buyer_fit","values":[{"claim_id":"c_fit","confidence":0.86,"conflicted":false,"region":"US","unit":null,"value":"A reference headphone for engineers and mixers."}]},{"predicate":"product.driver_size","values":[{"claim_id":"c_driver_official","confidence":0.99,"conflicted":false,"region":null,"unit":"mm","value":45}]},{"predicate":"product.frequency_min","values":[{"claim_id":"c_freq","confidence":0.99,"conflicted":false,"region":"US","unit":"Hz","value":5}]},{"predicate":"product.impedance","values":[{"claim_id":"c_imp_measured","confidence":0.85,"conflicted":false,"region":null,"unit":"ohm","value":52},{"claim_id":"c_imp_official","confidence":0.99,"conflicted":false,"region":null,"unit":"ohm","value":50}]},{"predicate":"product.interface","values":[{"claim_id":"c_conn_corrected","confidence":0.9,"conflicted":false,"region":null,"unit":null,"value":"The headphone-side connector is a twist-lock 2.5 mm TRS jack."}]},{"predicate":"product.limitation","values":[{"claim_id":"c_fit_caution","confidence":0.85,"conflicted":false,"region":null,"unit":null,"value":"Geektopia warns that the relatively small circular cups may bother people with larger ears."},{"claim_id":"c_iso","confidence":0.9,"conflicted":false,"region":"US","unit":null,"value":"Its very open design leaks sound and does not attenuate outside noise."},{"claim_id":"c_lim","confidence":0.82,"conflicted":false,"region":"US","unit":null,"value":"Less even and neutral than the ATH-R70xa."}]},{"predicate":"product.weight","values":[{"claim_id":"c_weight_measured","confidence":0.85,"conflicted":false,"region":null,"unit":"g","value":211},{"claim_id":"c_weight_official","confidence":0.99,"conflicted":false,"region":null,"unit":"g","value":207}]}],"gaps":[{"buyer_meaning":"","field":"editorial.note","reason":"rights_restricted"},{"buyer_meaning":"","field":"topic:battery_life","reason":"not_found"},{"buyer_meaning":"","field":"editorial.note","reason":"not_public"}],"generated_from":{"dossier_revision_id":"research_source_50b64240999579ddb6d22d5a0e5bb8dc_dossier","publisher_version":"publisher-v3-foundation"},"identity":{"asin":"B0DSMG4K6K","brand":null,"marketplace":"amazon_us","product_name":"Audio-Technica ATH-R50x Professional Open-Back Reference Headphones"},"license":"https://creativecommons.org/licenses/by/4.0/","pricing_v7":{"selection":{"cutoff":null,"entries":[],"evaluated_at":"2026-10-14T18:22:40.047Z","lowest_by_group":{},"policy_version":"offer-selection-v2.1"},"selection_id":"price_selection_242b57a8bcc8508ddcee61c8921d91d0f839e67b6fc3a1efb51e0bdebe1f4139"},"public_entity_id":"product_public_4e0f9b5d0b89403fabc54dc067e17005","quality":null,"research_hash":"sha256:a57e2b530bf9be0f3143a6f0b743c5d6ce0aeecc10c0659910a41a326b34dc8b","schema_version":"knowspec-research-export-v2","source_hash":"sha256:f7bf0d8b1cf2227f8b56317f87db9a90dd443e874de403a7f9bdeeea33af5c46","source_research":{"archetype":"experience","attestation":{"evidence_edges_traceable":true,"gaps_not_invented":true,"identity_not_mutated":true,"public_sources_only":true},"completed_at":"2026-09-28T08:32:15.895Z","evidence":{"capability_conditions":[],"claims":[{"calculation_method":null,"claim_id":"c_exp","confidence":0.85,"evidence_snippet":"The soundstage for the R50x is incredibly wide","method":"observed","predicate":"editorial.summary","region":"US","stance":"positive","status":"asserted","topic_id":"experience_quality","value":{"kind":"string","unit":null,"value":"Headphone Dungeon found the soundstage exceptionally wide."}},{"calculation_method":null,"claim_id":"c_comf","confidence":0.85,"evidence_snippet":"still lightweight and very comfortable for long hours of wear","method":"observed","predicate":"editorial.summary","region":"US","stance":"positive","status":"asserted","topic_id":"comfort_usability","value":{"kind":"string","unit":null,"value":"Recording Magazine found it comfortable for long wear."}},{"calculation_method":null,"claim_id":"c_build","confidence":0.82,"evidence_snippet":"the ath-r50x is a well built headphone","method":"observed","predicate":"editorial.summary","region":"US","stance":"positive","status":"asserted","topic_id":"build_quality","value":{"kind":"string","unit":null,"value":"DIY-Audio-Heaven describes it as well built and comfortable."}},{"calculation_method":null,"claim_id":"c_lim","confidence":0.82,"evidence_snippet":"isn’t as even and neutral as the ATH-R70xa","method":"observed","predicate":"product.limitation","region":"US","spec_origin":null,"stance":"negative","status":"asserted","topic_id":"limitations","value":{"kind":"string","unit":null,"value":"Less even and neutral than the ATH-R70xa."}},{"calculation_method":null,"claim_id":"c_fit","confidence":0.86,"evidence_snippet":"an excellent choice for engineers and mixers","method":"observed","predicate":"product.buyer_fit","region":"US","spec_origin":null,"stance":"positive","status":"asserted","topic_id":"buyer_fit","value":{"kind":"string","unit":null,"value":"A reference headphone for engineers and mixers."}},{"calculation_method":null,"claim_id":"c_freq","confidence":0.99,"evidence_snippet":"再生周波数帯域 5～40,000Hz","method":"observed","predicate":"product.frequency_min","region":"US","spec_origin":"datasheet","stance":"positive","status":"asserted","topic_id":"frequency_response","value":{"kind":"number","unit":"Hz","value":5}},{"calculation_method":null,"claim_id":"c_dist","confidence":0.9,"evidence_snippet":"Above 100Hz the distortion is very low.","method":"observed","predicate":"editorial.summary","region":"US","stance":"positive","status":"asserted","topic_id":"distortion","value":{"kind":"string","unit":null,"value":"Measured distortion above 100 Hz was very low."}},{"calculation_method":null,"claim_id":"c_amp","confidence":0.87,"evidence_snippet":"no high-powered amp necessary","method":"observed","predicate":"editorial.summary","region":"US","stance":"positive","status":"asserted","topic_id":"amplifier_requirements","value":{"kind":"string","unit":null,"value":"The reviewer says no high-powered amplifier is necessary."}},{"calculation_method":null,"claim_id":"c_iso","confidence":0.9,"evidence_snippet":"people around you can hear what’s playing and sounds around you enter the ears not attenuated","method":"observed","predicate":"product.limitation","region":"US","spec_origin":null,"stance":"negative","status":"asserted","topic_id":"isolation_and_leakage","value":{"kind":"string","unit":null,"value":"Its very open design leaks sound and does not attenuate outside noise."}},{"calculation_method":null,"claim_id":"c_conn_corrected","confidence":0.9,"evidence_snippet":"Headphone cup connector: twist-lock 2.5mm TRS jack","method":"observed","predicate":"product.interface","region":null,"spec_origin":"reviewer_stated","status":"asserted","topic_id":"connectivity_and_codec_support","value":{"kind":"string","unit":null,"value":"The headphone-side connector is a twist-lock 2.5 mm TRS jack."}},{"calculation_method":null,"claim_id":"c_rep","confidence":0.9,"evidence_snippet":"コードの交換などを定期的に行うことで、1台のヘッドホンを長く愛用していただけます。","method":"observed","predicate":"editorial.summary","region":"US","stance":"positive","status":"asserted","topic_id":"repairability","value":{"kind":"string","unit":null,"value":"The detachable cable can be replaced."}},{"calculation_method":null,"claim_id":"c_weight_official","confidence":0.99,"evidence_snippet":"Weight (without cable): Approx. 207 g (7.3 oz)","method":"observed","predicate":"product.weight","region":null,"spec_origin":"manual","status":"asserted","topic_id":"build_quality","value":{"display_unit":"g","kind":"number","unit":"g","value":207}},{"calculation_method":null,"claim_id":"c_imp_official","confidence":0.99,"evidence_snippet":"Impedance: 50 ohms","method":"observed","predicate":"product.impedance","region":null,"spec_origin":"manual","status":"asserted","topic_id":"amplifier_requirements","value":{"display_unit":"Ω","kind":"number","unit":"ohm","value":50}},{"calculation_method":null,"claim_id":"c_driver_official","confidence":0.99,"evidence_snippet":"Driver: 45 mm","method":"observed","predicate":"product.driver_size","region":null,"spec_origin":"manual","status":"asserted","topic_id":"frequency_response","value":{"display_unit":"mm","kind":"number","unit":"mm","value":45}},{"calculation_method":null,"claim_id":"c_weight_measured","confidence":0.85,"evidence_snippet":"Weight: 211 g. (without cable)","method":"observed","predicate":"product.weight","region":null,"spec_origin":"lab_measured","status":"asserted","topic_id":"build_quality","value":{"display_unit":"g","kind":"number","unit":"g","value":211}},{"calculation_method":null,"claim_id":"c_imp_measured","confidence":0.85,"evidence_snippet":"Impedance: 52 Ω (measured)","method":"observed","predicate":"product.impedance","region":null,"spec_origin":"lab_measured","status":"asserted","topic_id":"amplifier_requirements","value":{"display_unit":"Ω","kind":"number","unit":"ohm","value":52}},{"calculation_method":null,"claim_id":"c_fit_caution","confidence":0.85,"evidence_snippet":"puede molestar un poco a personas con orejas más grandes","method":"observed","predicate":"product.limitation","region":null,"spec_origin":null,"status":"asserted","topic_id":"comfort_usability","value":{"kind":"string","unit":null,"value":"Geektopia warns that the relatively small circular cups may bother people with larger ears."}}],"compatibility_cases":[],"coverage":{"capability_conditions":{"claim_ids":[],"reason":"Inherited from v6; this module has not been researched under v7.","status":"not_researched"},"compatibility_cases":{"claim_ids":[],"reason":"Inherited from v6; this module has not been researched under v7.","status":"not_researched"},"discrepancies":{"claim_ids":[],"reason":"Inherited from v6; this module has not been researched under v7.","status":"not_researched"},"known_issues":{"claim_ids":[],"reason":"Inherited from v6; this module has not been researched under v7.","status":"not_researched"},"lifecycle_facts":{"claim_ids":[],"reason":"Inherited from v6; this module has not been researched under v7.","status":"not_researched"}},"discrepancies":[],"events":[],"evidence_edges":[{"claim_id":"c_exp","evidence_locator_id":"l_hd","relation":"supports"},{"claim_id":"c_comf","evidence_locator_id":"l_rec","relation":"supports"},{"claim_id":"c_build","evidence_locator_id":"l_diy","relation":"supports"},{"claim_id":"c_lim","evidence_locator_id":"l_rec","relation":"supports"},{"claim_id":"c_fit","evidence_locator_id":"l_hd","relation":"supports"},{"claim_id":"c_freq","evidence_locator_id":"l_mfg","relation":"supports"},{"claim_id":"c_dist","evidence_locator_id":"l_diy","relation":"supports"},{"claim_id":"c_amp","evidence_locator_id":"l_rec","relation":"supports"},{"claim_id":"c_iso","evidence_locator_id":"l_diy","relation":"supports"},{"claim_id":"c_rep","evidence_locator_id":"l_mfg","relation":"supports"},{"claim_id":"c_conn_corrected","evidence_locator_id":"l_diy_specs_new","relation":"supports"},{"claim_id":"c_weight_official","evidence_locator_id":"l_manual_specs","relation":"supports"},{"claim_id":"c_imp_official","evidence_locator_id":"l_manual_specs","relation":"supports"},{"claim_id":"c_driver_official","evidence_locator_id":"l_manual_specs","relation":"supports"},{"claim_id":"c_weight_measured","evidence_locator_id":"l_diy_specs_new","relation":"supports"},{"claim_id":"c_imp_measured","evidence_locator_id":"l_diy_specs_new","relation":"supports"},{"claim_id":"c_fit_caution","evidence_locator_id":"l_geek_fit","relation":"supports"}],"evidence_locators":[{"evidence_locator_id":"l_mfg","locator":"製品特長とテクニカルデータ","locator_type":"section","source_revision_id":"source_snapshot_fba90b72e7bb5b95925c4683a9e4d2257462c9a8a7d8f09d348b389a5856366d"},{"evidence_locator_id":"l_rec","locator":"ATH-R50x","locator_type":"section","source_revision_id":"source_snapshot_57272f9163d3fa2ee2d06e171058b7a6552f0ea3e68ac782a45e5dcd71a028d1"},{"evidence_locator_id":"l_hd","locator":"Summary","locator_type":"section","source_revision_id":"source_snapshot_f40345a800fc78c72c905b197503123725c6bed7a9b6169cd2834353040f808b"},{"evidence_locator_id":"l_diy","locator":"Measurements","locator_type":"section","source_revision_id":"source_snapshot_09c5ea815524903c2881d37d8f119dd8435102141cb9243735a2ad1c92e6f797"},{"evidence_locator_id":"l_manual_specs","locator":"Specifications","locator_type":"section","page":2,"source_revision_id":"source_snapshot_26f5ff821a2e39382a760375e948ee85ef5598c9b4a4bba6279703067bfaaeec"},{"evidence_locator_id":"l_geek_fit","locator":"El interior de las copas no son especialmente amplias","locator_type":"paragraph","source_revision_id":"source_snapshot_eea60b531e1e7b5eb18657287480a4d60687bf26e2d963862317fca5637bc8ec"},{"evidence_locator_id":"l_diy_specs_new","locator":"specifications:","locator_type":"section","source_revision_id":"source_snapshot_17f29562e6510f83b6ff41fe0cf1032cd801e1115726bc23530cc969362425a4"}],"gaps":[{"gap_id":"g_bat","predicate":null,"reason":"not_found","searched_source_revision_ids":["source_snapshot_fba90b72e7bb5b95925c4683a9e4d2257462c9a8a7d8f09d348b389a5856366d","source_snapshot_57272f9163d3fa2ee2d06e171058b7a6552f0ea3e68ac782a45e5dcd71a028d1","source_snapshot_09c5ea815524903c2881d37d8f119dd8435102141cb9243735a2ad1c92e6f797"],"topic_id":"battery_life","tried_urls":[]},{"gap_id":"g_measurement_scope","predicate":"editorial.note","reason":"not_public","searched_source_revision_ids":["source_snapshot_17f29562e6510f83b6ff41fe0cf1032cd801e1115726bc23530cc969362425a4"],"topic_id":"distortion","tried_urls":["https://diyaudioheaven.wordpress.com/measurements/audio-technica/ath-r50x/"]},{"gap_id":"g_access","predicate":"editorial.note","reason":"rights_restricted","searched_source_revision_ids":[],"topic_id":"limitations","tried_urls":["https://www.pcgamer.com/hardware/earbuds-headphones/audio-technica-ath-r50x-review/","https://audio46.com/blogs/headphones/audio-technica-ath-r50x-review","https://www.kopfhoerer.de/test/audio-technica-ath-r50x/"]}],"known_issues":[],"lifecycle_facts":[],"sources":[{"access":"open","author":null,"canonical_url":"https://www.audio-technica.co.jp/product/ATH-R50x","document_type":"html","language":"ja","observed_at":"2026-09-27T08:08:00.000Z","published_at":null,"publisher":"Audio-Technica","retrieved_at":"2026-09-27T08:08:00.000Z","rights_context":"editorial_reference","source_revision_id":"source_snapshot_fba90b72e7bb5b95925c4683a9e4d2257462c9a8a7d8f09d348b389a5856366d","source_role":"manufacturer","title":"ATH-R50x"},{"access":"open","author":null,"canonical_url":"https://www.recordingmag.com/resources/featured-reviews/march-2025-audio-technica-ath-r70xa-ath-r50x-ath-r30x/","document_type":"html","language":"en","observed_at":"2026-09-27T08:08:00.000Z","published_at":"2025-03-01","publisher":"Recording Magazine","retrieved_at":"2026-09-27T08:08:00.000Z","rights_context":"editorial_reference","source_revision_id":"source_snapshot_57272f9163d3fa2ee2d06e171058b7a6552f0ea3e68ac782a45e5dcd71a028d1","source_role":"editorial_review","title":"March 2025: Audio-Technica ATH-R70xa, ATH-R50x & ATH-R30x"},{"access":"open","author":"Delaney Czernikowski","canonical_url":"https://www.headphonedungeon.com/audio-technica-ath-r50x-review/","document_type":"html","language":"en","observed_at":"2026-09-27T08:08:00.000Z","published_at":null,"publisher":"Headphone Dungeon","retrieved_at":"2026-09-27T08:08:00.000Z","rights_context":"editorial_reference","source_revision_id":"source_snapshot_f40345a800fc78c72c905b197503123725c6bed7a9b6169cd2834353040f808b","source_role":"editorial_review","title":"Audio-Technica ATH-R50x Review"},{"access":"open","author":null,"canonical_url":"https://diyaudioheaven.wordpress.com/measurements/audio-technica/ath-r50x/","document_type":"html","language":"en","observed_at":"2026-09-27T08:08:00.000Z","published_at":null,"publisher":"DIY-Audio-Heaven","retrieved_at":"2026-09-27T08:08:00.000Z","rights_context":"editorial_reference","source_revision_id":"source_snapshot_09c5ea815524903c2881d37d8f119dd8435102141cb9243735a2ad1c92e6f797","source_role":"lab_review","title":"ATH-R50x"},{"access":"open","canonical_url":"https://docs.audio-technica.com/all/Instruction_manual_ATH-R50x.pdf","document_type":"pdf","fetch_mode":"direct","language":"en","observed_at":"2026-10-14T18:11:00Z","publisher":"Audio-Technica","retrieved_at":"2026-10-14T18:11:00Z","rights_context":"editorial_reference","source_revision_id":"source_snapshot_26f5ff821a2e39382a760375e948ee85ef5598c9b4a4bba6279703067bfaaeec","source_role":"manual","title":"ATH-R50x User Manual"},{"access":"open","canonical_url":"https://www.geektopia.es/es/technology/2025/04/15/analisis/audio-technica-ath-r50x-review.html","document_type":"html","fetch_mode":"direct","language":"es","observed_at":"2026-10-14T18:12:00Z","publisher":"Geektopia","retrieved_at":"2026-10-14T18:12:00Z","rights_context":"editorial_reference","source_revision_id":"source_snapshot_eea60b531e1e7b5eb18657287480a4d60687bf26e2d963862317fca5637bc8ec","source_role":"editorial_review","title":"Análisis: Audio-Technica ATH-R50x"},{"access":"open","canonical_url":"https://diyaudioheaven.wordpress.com/measurements/audio-technica/ath-r50x/","document_type":"html","fetch_mode":"direct","language":"en","observed_at":"2026-10-14T18:10:45Z","publisher":"DIY-Audio-Heaven","retrieved_at":"2026-10-14T18:10:45Z","rights_context":"editorial_reference","source_revision_id":"source_snapshot_17f29562e6510f83b6ff41fe0cf1032cd801e1115726bc23530cc969362425a4","source_role":"lab_review","title":"ATH-R50x"}]},"fact_registry_version":"fact-registry-v2","product_id":"productv3_9edef86d448d4e9f9be1d1c21cd5dac2","protected_identity":{"externalIdentityKind":"asin","marketplaceId":"amazon_us","normalizedExternalProductId":"B0DSMG4K6K"},"schema_version":"product-research-package-v7","writing":{"analyses":[{"analysis_id":"a1","analysis_type":"buyer_fit","claim_ids":["c_exp","c_comf","c_build","c_lim","c_fit","c_dist","c_amp","c_iso"],"confidence":0.9,"method":"Evidence synthesis","summary":"The Audio-Technica ATH-R50x is best supported as a reference headphone for engineers and mixers. Reviews describe an exceptionally wide soundstage, long-wear comfort, solid construction, very low measured distortion, and no need for a high-powered amplifier. Its open design leaks sound and does not attenuate outside noise, and one comparison found it less even and neutral than the ATH-R70xa.","title":"Wide open-back reference headphone for engineers and mixers"}],"article":{"sections":[{"heading":"Reference use and soundstage","paragraphs":[{"claim_ids":["c_fit","c_exp","c_lim","c_freq","c_driver_official"],"kind":"factual","paragraph_id":"p1","text":"The ATH-R50x is a candidate for engineers and mixers who want an open reference headphone, but the evidence supports an audition rather than a promise of universal neutrality. Headphone Dungeon recommends it for that work and describes a particularly wide soundstage. Those are listening judgments from a reviewer, not measurements of a fixed spatial dimension. They explain why a listener might shortlist it for arranging sounds across a mix, while leaving room for a different impression with another recording, fit or listening preference.\n\nRecording Magazine supplies a useful qualification: its reviewer found the R50x less even and neutral than the ATH-R70xa. That does not cancel the favorable reference-use assessment from Headphone Dungeon; it narrows what a buyer should infer from the word reference. Someone seeking the most even balance should compare the headphones directly with familiar material. Someone prioritizing the reported sense of width may still find the R50x appealing. Neither assessment establishes that every mix made on it will translate correctly to every speaker system.\n\nThe documented 45 mm driver and the manufacturer's 5 Hz lower frequency limit identify published specifications, not a guarantee of audible bass strength at that limit. A frequency endpoint does not describe the level across the response curve. Treat it as a catalogue boundary and keep the listening assessments separate. This distinction matters when deciding whether the headphone suits monitoring work: a broad stated range cannot, by itself, settle whether its tonal balance matches your expectations."}],"section_id":"s1","section_type":"sound"},{"heading":"Comfort and build","paragraphs":[{"claim_ids":["c_comf","c_build","c_fit_caution","c_weight_official","c_weight_measured"],"kind":"factual","paragraph_id":"p2","text":"Comfort is one of the clearer reasons to try the R50x. Recording Magazine found it comfortable over long wear, while DIY-Audio-Heaven also describes the construction and comfort positively. Geektopia adds an important counterweight: the relatively small circular cup interiors may bother listeners with larger ears. These reports can all be true because comfort depends on the person wearing the headphone. They support a favorable starting expectation, not an assurance that a long session will feel effortless for every head and ear shape.\n\nAudio-Technica lists approximately 207 g without the cable. DIY-Audio-Heaven reports 211 g without the cable for its reviewed sample. Keep both numbers attached to their origins: the first is an approximate manufacturer specification, and the second is a reviewer result. The available measurement does not disclose a sample count, weighing instrument or hardware revision. It cannot establish a production tolerance or show how much all retail examples vary. For a practical fit check, pay attention to whether your ears have comfortable room inside the cups rather than choosing solely by the lighter published number."}],"section_id":"s2","section_type":"build_and_comfort"},{"heading":"Drive and serviceability","paragraphs":[{"claim_ids":["c_conn_corrected","c_rep","c_amp","c_imp_official","c_imp_measured"],"kind":"factual","paragraph_id":"p3","text":"The connector needs careful wording. DIY-Audio-Heaven identifies a twist-lock 2.5 mm TRS connector at the headphone cup. That describes the headphone side of the detachable cable; it should not be confused with the plug that connects to the playback device. The detachable arrangement also makes cable replacement possible, as the manufacturer documentation indicates. When ordering a replacement, confirm the headphone-side locking fit instead of assuming that any cable with a familiar plug size will attach correctly. Replaceability is useful, but it does not establish local stock or the suitability of an unverified third-party part.\n\nRecording Magazine says that a high-powered amplifier is unnecessary. Audio-Technica specifies 50 Ω impedance, while DIY-Audio-Heaven measured 52 Ω on its reviewed sample. The measured figure is a separate observation, not a replacement for the manufacturer's rating. Impedance alone also cannot prove that every phone, laptop or interface will provide the listening level a user wants. Start with the output you actually intend to use and check its available level with familiar recordings. The cited reviewer judgment supports trying an existing source first; it does not certify an unspecified playback device."}],"section_id":"s3","section_type":"connectivity"},{"heading":"Open-back tradeoffs","paragraphs":[{"claim_ids":["c_iso","c_fit","c_dist","c_lim","c_fit_caution"],"kind":"factual","paragraph_id":"p4","text":"The open design is a decisive constraint. DIY-Audio-Heaven reports that nearby people can hear playback and that outside sound reaches the ears without attenuation. For reference listening, that makes the room part of the decision. A quiet private workspace is a more plausible match than an environment where privacy or isolation is essential. This is a suitability judgment based on the reported leakage behavior, not a measured isolation rating. Increasing playback volume does not turn an open headphone into an isolating one, and the evidence here offers no basis for promising private listening around colleagues.\n\nThe distortion finding also needs its original limits. DIY-Audio-Heaven describes very low measured distortion above 100 Hz; that qualitative finding should not be converted into an invented percentage or a claim about every frequency and listening level. Low distortion does not resolve the separate questions of tonal preference or ear fit. The R50x can therefore remain a worthwhile audition for a quiet workstation while being the wrong choice for someone who needs isolation, dislikes its balance relative to the R70xa, or cannot get comfortable inside the cups. Match those constraints to your use before treating a favorable review as a buying verdict."}],"section_id":"s4","section_type":"limitations"}],"title":"Audio-Technica ATH-R50x: soundstage, comfort, and open-back limits"},"buyer_decisions":[],"comparisons":[{"comparison_id":"c1","losses":[{"claim_ids":["c_lim"],"rival_claim_ids":["c_fit","c_lim"],"text":"The R50x is described as less even and neutral than the ATH-R70xa, while the ADX3000 is positioned for instrumental clarity but can sound harsh in the treble."}],"pick_if":"Choose the R50x for its cited wide reference presentation; choose the ADX3000 for instrumental clarity if its treble character suits you.","rival":"Audio-Technica ATH-ADX3000 Dynamic Headphones","rival_id":"rival_1","wins":[{"claim_ids":["c_freq","c_exp"],"rival_claim_ids":["c_freq"],"text":"Both are documented down to 5 Hz, while the R50x is praised for an exceptionally wide soundstage."}]}],"coverage":{"buyer_decisions":{"claim_ids":[],"reason":"Inherited from v6; this module has not been researched under v7.","status":"not_researched"},"ownership_costs":{"claim_ids":[],"reason":"Inherited from v6; this module has not been researched under v7.","status":"not_researched"}},"evidence_revision_id":"research_evidence_revision_4719f2a34ef1463fb4dc2c5b6ba35239","faq":[{"answer":"The evidence recommends it as a reference headphone for engineers and mixers.","claim_ids":["c_fit"],"faq_id":"f1","intent":"pre_purchase","question":"Who is the ATH-R50x best suited to?","source_ids":["source_snapshot_f40345a800fc78c72c905b197503123725c6bed7a9b6169cd2834353040f808b"]},{"answer":"One reviewer describes the soundstage as exceptionally wide.","claim_ids":["c_exp"],"faq_id":"f2","intent":"operation","question":"How is the soundstage described?","source_ids":["source_snapshot_f40345a800fc78c72c905b197503123725c6bed7a9b6169cd2834353040f808b"]},{"answer":"Recording Magazine says a high-powered amplifier is unnecessary. This is a reviewer assessment, not a guarantee for every playback device.","claim_ids":["c_amp"],"faq_id":"f3","intent":"compatibility","question":"Is a high-powered amplifier required?","source_ids":["source_snapshot_57272f9163d3fa2ee2d06e171058b7a6552f0ea3e68ac782a45e5dcd71a028d1"]},{"answer":"No. The open design lets outside sound in and also leaks audio to people nearby.","claim_ids":["c_iso"],"faq_id":"f4","intent":"limitation","question":"Does the open design isolate outside noise?","source_ids":["source_snapshot_09c5ea815524903c2881d37d8f119dd8435102141cb9243735a2ad1c92e6f797"]},{"answer":"Yes. Audio-Technica's evidence says the detachable cable can be replaced.","claim_ids":["c_rep"],"faq_id":"f5","intent":"maintenance","question":"Can the cable be replaced?","source_ids":["source_snapshot_fba90b72e7bb5b95925c4683a9e4d2257462c9a8a7d8f09d348b389a5856366d"]}],"measurements":[{"claim_id":"c_weight_measured","conditions":{"method":"Reviewer-reported weighing; instrument and procedure not stated.","notes":"ATH-R50x review sample without cable. Sample count, country and hardware revision are unknown. Manufacturer rating is approximately 207 g; do not generalize this sample to every unit.","sample_size":null,"standard":null},"lab":"DIY-Audio-Heaven","measurement_id":"m_weight","metric":"weight_without_cable","source_id":"source_snapshot_17f29562e6510f83b6ff41fe0cf1032cd801e1115726bc23530cc969362425a4","unit":"g","value":211},{"claim_id":"c_imp_measured","conditions":{"method":"Reviewer-reported impedance measurement; instrument and test frequency not stated.","notes":"ATH-R50x review sample. Sample count, country and hardware revision are unknown. Manufacturer rating is 50 Ω. This is not a tolerance specification.","sample_size":null,"standard":null},"lab":"DIY-Audio-Heaven","measurement_id":"m_impedance","metric":"impedance","source_id":"source_snapshot_17f29562e6510f83b6ff41fe0cf1032cd801e1115726bc23530cc969362425a4","unit":"ohm","value":52}],"ownership_costs":[],"price_contexts":[],"rivals":[{"asin":"B0DJJ8TKYM","claim_ids":["c_lim","c_fit","c_freq","c_conn"],"claims":[{"claim_id":"c_lim","predicate":"product.limitation","spec_origin":null,"value":{"kind":"string","unit":null,"value":"The treble can sound harsh and splashy."}},{"claim_id":"c_fit","predicate":"product.buyer_fit","spec_origin":null,"value":{"kind":"string","unit":null,"value":"Best for instrumental listeners who prioritize clarity."}},{"claim_id":"c_freq","predicate":"product.frequency_min","spec_origin":"datasheet","value":{"kind":"number","unit":"Hz","value":5}},{"claim_id":"c_conn","predicate":"product.interface","spec_origin":"reviewer_stated","value":{"kind":"string","unit":null,"value":"Detachable A2DC connector"}}],"product_public_id":"product_public_c85dbf2599fd44a08fe48b42a67d15cc","rival_id":"rival_1","title":"Audio-Technica ATH-ADX3000 Dynamic Headphones"}],"usage_scenarios":[{"assessment":"suitable","claim_ids":["c_exp","c_fit","c_iso"],"gap_reason":null,"limitations":["Sound leaks and outside noise is not attenuated."],"scenario_id":"u1","situation":"An engineer or mixer wants a wide open-back presentation for reference work.","title":"Mixing and engineering in a quiet room"},{"assessment":"unsuitable","claim_ids":["c_iso"],"gap_reason":null,"limitations":["The very open design leaks sound and lets outside noise in."],"scenario_id":"u2","situation":"A listener needs isolation and low leakage around other people.","title":"Shared or noisy environment"}]}},"source_schema_version":"product-research-package-v7","sources":[{"number":1,"publisher":"Recording Magazine","title":"March 2025: Audio-Technica ATH-R70xa, ATH-R50x & ATH-R30x","url":"https://www.recordingmag.com/resources/featured-reviews/march-2025-audio-technica-ath-r70xa-ath-r50x-ath-r30x/"},{"number":2,"publisher":"Audio-Technica","title":"ATH-R50x User Manual","url":"https://docs.audio-technica.com/all/Instruction_manual_ATH-R50x.pdf"},{"number":3,"publisher":"Headphone Dungeon","title":"Audio-Technica ATH-R50x Review","url":"https://www.headphonedungeon.com/audio-technica-ath-r50x-review/"},{"number":4,"publisher":"DIY-Audio-Heaven","title":"ATH-R50x","url":"https://diyaudioheaven.wordpress.com/measurements/audio-technica/ath-r50x/"},{"number":5,"publisher":"DIY-Audio-Heaven","title":"ATH-R50x","url":"https://diyaudioheaven.wordpress.com/measurements/audio-technica/ath-r50x/"},{"number":6,"publisher":"Geektopia","title":"Análisis: Audio-Technica ATH-R50x","url":"https://www.geektopia.es/es/technology/2025/04/15/analisis/audio-technica-ath-r50x-review.html"},{"number":7,"publisher":"Audio-Technica","title":"ATH-R50x","url":"https://www.audio-technica.co.jp/product/ATH-R50x"}]}