{"data":{"slug":"beyerdynamic-dt-770-pro-250-ohm","type":"headset","brand":"beyerdynamic","name":"DT 770 PRO 250 ohm","aliases":["DT 770 PRO","DT 770 PRO 250 Ohms","DT770 Pro 250","beyerdynamic DT 770 PRO 250 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steel","ear_cup_material":"Plastic","earpad_material":"Velour","earpad_replaceable":true,"earpad_attachment":"twist_lock","earpad_inner_dimensions_mm":null,"ear_tip_sizes":null,"ip_rating":null,"user_replaceable_parts":["Ear pads","Headband pad"],"companion_app":null,"companion_app_platforms":null,"firmware_updatable":null,"weight_g":380,"dimensions_mm":null,"hi_res_audio":null,"communication_certifications":null,"fcc_id":null,"other_certifications":null,"in_the_box":["DT 770 PRO 250 ohm headphones with fixed coiled cable","6.35 mm (1/4 inch) jack adapter","Drawstring bag"],"cables_included":[{"type":"Coiled cable, fixed to the headphones","length_m":3,"count":1}],"carrying_case":"soft"},"variants":[],"sources":[{"url":"https://europe.beyerdynamic.com/p/dt-770-pro-250-ohm","kind":"manufacturer_page","accessed":"2026-10-11","fields":["model_numbers","gtins","status","manufacturer_url","segment","form_factor","back_type","wearing_style","frequency_response_hz","impedance_ohm","sensitivity_db","anc","microphone_type","connection_types","analog_connectors","wireless_receiver","volume_control","headband_type","earpad_material","earpad_replaceable","user_replaceable_parts","charging_port","passive_wired_listening"],"notes":{"model_numbers":"Technical data: Article No. 459046. The spec sheet lists the 250 ohm version as order number 459.046.","gtins":"Technical data: EAN 4010118459047","status":"Sold on the maker EU store.","segment":"Reference headphones for control and monitoring purpose (closed).","form_factor":"Wearing Style: Over-ear. Sound coupling to the ear: circumaural.","back_type":"Operating Principle: Closed","wearing_style":"Rugged, adjustable, soft padded headband construction.","frequency_response_hz":"Headphone frequency response 5 - 35.000 Hz","impedance_ohm":"Nominal Impedance Headphones 250 ohms","sensitivity_db":"Nominal sound pressure level 96 dB. The reference level is not stated, so no sensitivity reference is stored.","anc":"Passive closed-back headphones with no electronics.","microphone_type":"Remote: Without Remote. Headphones without a microphone.","connection_types":"Transmission Type: Wired","analog_connectors":"Coiled connecting cable with mini-jack plug (3.5 mm) and 1/4 inch adapter (6.35 mm). The manual calls the plug 3-pole and the adapter screw-on.","wireless_receiver":"Wired headphones with no wireless parts.","volume_control":"Remote: Without Remote","headband_type":"Soft padded headband construction. The spec sheet lists a soft headband pad.","earpad_material":"Breathable velour. The soft velour ear pads are named in the product text.","earpad_replaceable":"Available spare parts: ear pads, headbands, cables, systems, housing.","user_replaceable_parts":"Available spare parts lists ear pads and headbands. The manual shows the user changing the ear pads and the headband pad.","charging_port":"Passive wired headphones with no battery or charging port.","passive_wired_listening":"Wired dynamic headphones with no battery or electronics, so analog playback needs no power."}},{"url":"https://api.beyerdynamic.de/amfile/file/download/file/865/","kind":"manufacturer_pdf","accessed":"2026-10-11","fields":["spec_sheet_url","driver_type","back_type","frequency_response_hz","impedance_ohm","sensitivity_db","thd_pct","max_input_power_mw","weight_g","cable_length_m","analog_connectors","frame_material","headband_type","cables_included","cable_connector_headset_side"],"notes":{"spec_sheet_url":"DT 770 PRO data sheet E2/DT 770 PRO (01.23). One sheet covers the 32, 80 and 250 ohm versions.","driver_type":"Transducer type: Dynamic","back_type":"Operating principle: Closed","frequency_response_hz":"Nominal frequency response 5 - 35,000 Hz","impedance_ohm":"Nominal impedance 32 ohm / 80 ohm / 250 ohm. The 250 ohm version is order number 459.046.","sensitivity_db":"Nominal SPL 96 dB, the same for all three versions. The reference is not stated.","thd_pct":"Nominal T.H.D. < 0.2%. Stored as the upper bound. The test level is not stated.","max_input_power_mw":"Power handling capacity 100 mW","weight_g":"Weight of the 250 ohm version: 380 g. The 32 ohm version is 325 g and the 80 ohm version is 345 g. The maker product page text says 375 grams including the cable, which is not stored because the spec sheet gives the version value.","cable_length_m":"Length and type of cable: 3 m / coiled cable (250 ohm)","analog_connectors":"Connection: gold plated mini stereo jack plug (3.5 mm) and 1/4 inch adapter (6.35 mm)","frame_material":"Features: robust spring steel headband.","headband_type":"Features: soft headband pad.","cables_included":"3 m coiled cable for the 250 ohm version. The spec sheet describes a single-sided cable.","cable_connector_headset_side":"Single-sided cable attached to one ear cup. No detachable connector is listed."}},{"url":"https://api.beyerdynamic.de/amfile/file/download/file/1672/","kind":"manual","accessed":"2026-10-11","fields":["manual_url","earpad_replaceable","earpad_attachment","user_replaceable_parts","in_the_box","carrying_case","analog_connectors","cables_included"],"notes":{"manual_url":"DT 770 PRO operating instructions, English section.","earpad_replaceable":"How to change the ear pads: pull the pads off the earphone shell with your fingertips.","earpad_attachment":"To attach an ear pad, insert its plastic lip into the groove of the headphone and turn it clockwise until it is fully installed.","user_replaceable_parts":"The manual shows how to change the ear pads and the headband pad.","in_the_box":"Supplied accessories: 1 x 1/4 inch (6.35 mm) jack adapter and 1 x drawstring bag.","carrying_case":"Supplied accessories list a drawstring bag. The hard case is a separate accessory.","analog_connectors":"The connecting cable is single-sided with a 3-pole gold-plated mini jack plug (3.5 mm) and a screw-on adapter for a 6.35 mm socket.","cables_included":"The connecting cable is single-sided and attached to the headphones."}},{"url":"https://www.soundguys.com/product/beyerdynamic-dt-770-pro/","kind":"spec_database","accessed":"2026-10-11","fields":["driver_size_mm","cable_connector_headset_side"],"notes":{"driver_size_mm":"Specs: Driver size 45 mm, dynamic driver. The page covers the DT 770 Pro family and lists 32 ohm as its impedance, so only the driver size is stored.","cable_connector_headset_side":"Specs: Detachable cable: No."}},{"url":"https://www.sonarworks.com/soundid-reference/blog/reviews/beyerdynamic-dt770-250-review/","kind":"measurement","accessed":"2026-10-11","fields":["measured_frequency_response_notes","cable_connector_headset_side","ear_cup_material"],"notes":{"measured_frequency_response_notes":"Sonarworks measurement of the 250 ohm version, reviewed on its site: typical beyerdynamic sound with decent bass, a carved-out midrange and a bump from 3.5 kHz to 9 kHz.","cable_connector_headset_side":"Cons: the cable cannot be replaced.","ear_cup_material":"The ear cups and the headband adjustment mechanism are plastic. The same review lists 388 g without cable, which does not match the maker 380 g and is not stored."}},{"url":"https://www.headphonecheck.com/test/beyerdynamic-dt-770-pro-250-ohm","kind":"review_site","accessed":"2026-10-11","fields":["measured_weight_g"],"notes":{"measured_weight_g":"Weighed by HeadphoneCheck: 375 g with the cable and 287 g without cable. The with-cable value is stored because the maker weight includes the attached cable."}},{"url":"https://www.whathifi.com/features/9-best-beyerdynamic-headphones-in-its-100-year-history","kind":"press","accessed":"2026-10-11","fields":["release_date"],"notes":{"release_date":"Lists the DT 770 Pro as a 1985 model. HeadphoneCheck also says it was released in 1985. The month is not stated and the 250 ohm version may have followed later, so the date is approximate."}},{"url":"https://www.headphonecheck.com/guides/5-facts-you-didnt-know-about-the-beyerdynamic-dt-770-pro/","kind":"review_site","accessed":"2026-10-11","fields":["release_date"],"notes":{"release_date":"After its release in 1985 the headphones became popular with artists. The page does not name a month."}},{"url":"https://www.thomannmusic.com/beyerdynamic_dt770pro.htm","kind":"retailer","accessed":"2026-10-21","fields":["colors"],"notes":{"colors":"Thomann spec table for the 250 ohm model (item 106864): Colour Black. The maker pages name only the ear pad colour, grey velour."}},{"url":"https://www.rtings.com/headphones/reviews/beyerdynamic/dt-770-pro","kind":"measurement","accessed":"2026-10-21","fields":["measured_bass_amount_db","measured_treble_amount_db"],"notes":{"measured_bass_amount_db":"Public summary: Bass Amount underemphasized (-4 dB) against the RTINGS target curve. RTINGS tested the 250 ohm version. Test bench 2.3, B&K 5128 rig. Sound signature: bright.","measured_treble_amount_db":"Public summary: Treble Amount slightly emphasized (1 dB) against the RTINGS target curve. RTINGS tested the 250 ohm version. Test bench 2.3, B&K 5128 rig."}}],"fields_filled":43,"updated":"2026-10-21"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}