{"data":{"slug":"sennheiser-hd-550","type":"headset","brand":"Sennheiser","name":"HD 550","aliases":["HD550"],"release_date":"2025-04","url":"https://arkivo.dev/headsets/sennheiser-hd-550","specs":{"series":"HD 500","model_numbers":["HD 550","700455"],"gtins":["4260752333498","810091273586"],"announce_date":"2025-03-19","status":"available","predecessor":null,"successor":null,"launch_price_usd":299.95,"launch_price_eur":299.9,"markets":null,"colors":["Black"],"manufacturer_url":"https://us.sennheiser-hearing.com/products/hd-550","spec_sheet_url":"https://gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdf","manual_url":"https://www.richersounds.com/content/product_files/HD550.pdf","eprel_registration_number":null,"warranty_years":2,"segment":"music","form_factor":"over_ear","back_type":"open","wearing_style":"headband","foldable":"none","ear_cups_swivel":true,"rgb_lighting":null,"lighting_zones":null,"driver_type":"dynamic","driver_size_mm":38,"drivers_per_side":null,"driver_diaphragm_material":"Laminate plastic foil","driver_magnet":null,"frequency_response_hz":{"min_hz":6,"max_hz":39500},"frequency_response_wireless_hz":null,"impedance_ohm":150,"sensitivity_db":106.7,"sensitivity_reference":"per_1v","thd_pct":0.2,"max_input_power_mw":null,"max_sample_rate_khz":null,"max_bit_depth_bits":null,"dac_chip":null,"sound_personalization":null,"onboard_eq":false,"eq_bands":null,"eq_presets":null,"volume_limit_db":null,"virtual_surround":null,"spatial_audio_licence_included":null,"head_tracking":null,"anc":false,"anc_type":null,"anc_mic_count":null,"anc_adaptive":null,"anc_levels":null,"anc_claimed_attenuation_db":null,"transparency_mode":null,"transparency_adjustable":null,"conversation_detection":null,"wind_noise_reduction":null,"measured_frequency_response_notes":"Bass rolls off gently below 25 Hz. The response stays within 3 dB from 25 Hz to 2 kHz. Treble has a peak near 13 kHz.","measured_bass_amount_db":null,"measured_treble_amount_db":null,"measured_target_deviation_db":null,"measured_response_consistency_db":null,"measured_thd_pct":null,"measured_leakage_db_spl":null,"measured_noise_isolation":null,"measured_attenuation_overall_db":null,"measured_attenuation_passive_db":null,"measured_microphone_notes":null,"measured_microphone_lfe_hz":null,"measured_microphone_hfe_hz":null,"measured_microphone_noise_handling_db":null,"measured_latency":null,"measured_latency_bluetooth_ms":null,"measured_latency_2_4ghz_ms":null,"measured_battery_life":null,"measured_battery_life_h":null,"measured_clamping_force_n":null,"measured_weight_g":238,"microphone_type":"none","microphone_element":null,"microphone_pattern":null,"microphone_count":null,"microphone_count_total":null,"microphone_frequency_response_hz":null,"microphone_sensitivity_db":null,"microphone_snr_db":null,"microphone_sample_rate_khz":null,"microphone_noise_reduction":null,"flip_to_mute":null,"mute_button":null,"mute_indicator":null,"sidetone":null,"sidetone_adjustable":null,"mic_windscreen":null,"connection_types":["analog"],"analog_connectors":["3_5mm_trs","6_35mm"],"cable_connector_headset_side":"2_5mm","cable_length_m":1.8,"usb_connector":null,"usb_c_audio":false,"passive_wired_listening":true,"wireless_receiver":null,"receiver_connector":null,"wireless_range_m":null,"bluetooth_version":null,"bluetooth_codecs":null,"bluetooth_le_audio":null,"auracast":null,"multipoint":null,"multipoint_device_count":null,"paired_device_memory":null,"simultaneous_2_4ghz_bluetooth":null,"fast_pair":null,"base_station":null,"low_latency_mode":null,"latency_claimed":null,"compatible_platforms":["ps5","ps4","xbox_series","xbox_one","nintendo_switch"],"platform_connections":null,"official_license":null,"battery_capacity_mah":null,"swappable_battery":null,"battery_count":null,"battery_life_claimed":null,"battery_life_max_h":null,"battery_life_anc_on_h":null,"battery_life_anc_off_h":null,"charging_port":null,"charge_time_0_100_min":null,"quick_charge_min":null,"quick_charge_playback_h":null,"play_while_charging":null,"charging_dock":null,"control_types":null,"volume_control":"none","game_chat_mix":null,"customizable_controls":null,"wear_detection":null,"voice_assistant":null,"headband_type":"padded","headband_material":"Synthetic leather","frame_material":"Plastic","ear_cup_material":"Steel mesh covers","earpad_material":"Synthetic velour","earpad_replaceable":true,"earpad_attachment":null,"earpad_inner_dimensions_mm":{"width_mm":42,"height_mm":71,"depth_mm":null},"ear_tip_sizes":null,"ip_rating":null,"user_replaceable_parts":["Ear pads","Audio cable"],"companion_app":null,"companion_app_platforms":null,"firmware_updatable":null,"weight_g":237,"dimensions_mm":null,"hi_res_audio":null,"communication_certifications":null,"fcc_id":null,"other_certifications":null,"in_the_box":["HD 550 headphones","1.80 m cable with 3.5 mm jack plug","3.5 to 6.35 mm screw-on jack adapter","Drawstring bag","Safety guide"],"cables_included":[{"type":"2.5 mm locking headset plug to 3.5 mm stereo plug","length_m":1.8,"count":1}],"carrying_case":"soft"},"variants":[],"sources":[{"url":"https://gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdf","kind":"manufacturer_pdf","accessed":"2026-10-23","fields":["series","model_numbers","gtins","spec_sheet_url"],"notes":{"gtins":"Page 3 Technical Data. Maker V02 EN, February 17 2025, mirrored by Geizhals.","series":"Page 2 identifies HD 500 series."}},{"url":"https://cdn.uc.assets.prezly.com/125ff0a6-9592-4c48-be8d-28f7b3273ca5/-/inline/no/Press_Release_Sennheiser_HD_550_EN.pdf","kind":"press_release","accessed":"2026-10-23","fields":["release_date","announce_date","launch_price_usd","launch_price_eur"],"notes":{"release_date":"Page 3 states shipping first week of April 2025. March 19 is announcement and pre-order date.","launch_price_usd":"Page 3 launch MSRP $299.95 USD before tax.","launch_price_eur":"Page 3 launch MSRP EUR 299.90, including VAT as published."}},{"url":"https://us.sennheiser-hearing.com/products/hd-550","kind":"manufacturer_page","accessed":"2026-10-23","fields":["manufacturer_url","status","segment","passive_wired_listening","headband_material","ear_cup_material","warranty_years"],"notes":{"segment":"Maker categorizes these as audiophile headphones for critical music listening.","passive_wired_listening":"Direct analog signal path with no electronics and no charging or pairing.","warranty_years":"US maker page includes a 2-year manufacturer warranty.","ear_cup_material":"Maker names steel covers. Entire cup construction is not claimed to be steel."}},{"url":"https://gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdf","kind":"manufacturer_pdf","accessed":"2026-10-23","fields":["form_factor","back_type","wearing_style"],"notes":{"form_factor":"Page 3 technical specifications: wired headband, over-ear circumaural, open-back."}},{"url":"https://gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdf","kind":"manufacturer_pdf","accessed":"2026-10-23","fields":["driver_type","frequency_response_hz","impedance_ohm","sensitivity_db","sensitivity_reference","thd_pct"],"notes":{"sensitivity_db":"Page 3: 106.7 dB SPL at 1 kHz / 1 Vrms.","thd_pct":"Page 3: less than 0.2% at 1 kHz / 90 dB SPL. Stored upper bound."}},{"url":"https://cdn.uc.assets.prezly.com/125ff0a6-9592-4c48-be8d-28f7b3273ca5/-/inline/no/Press_Release_Sennheiser_HD_550_EN.pdf","kind":"press_release","accessed":"2026-10-23","fields":["driver_size_mm"],"notes":{"driver_size_mm":"Page 1 custom 38 mm transducer."}},{"url":"https://www.techradar.com/gaming/sennheiser-hd-550-review","kind":"review_site","accessed":"2026-10-23","fields":["driver_diaphragm_material","microphone_type","volume_control","headband_type","colors","compatible_platforms"],"notes":{"driver_diaphragm_material":"Design and features quotes maker on diaphragm construction.","compatible_platforms":"Comparison table explicitly lists these platforms. PC stored as Windows, corroborated by wired PC review. Mobile lacks named OS and is omitted.","microphone_type":"Base headphone has no microphone. Optional boom arm is excluded.","colors":"Design describes black finish.","volume_control":"No onboard controls or volume dial."}},{"url":"https://www.soundguys.com/sennheiser-hd-550-review-134419/","kind":"review_site","accessed":"2026-10-23","fields":["connection_types","analog_connectors","cable_connector_headset_side","frame_material"],"notes":{"cable_connector_headset_side":"Connectivity section explicitly identifies 2.5 mm locking headset end and 3.5 mm TRS source end.","frame_material":"Design describes plastic exterior and chassis."}},{"url":"https://gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdf","kind":"manufacturer_pdf","accessed":"2026-10-23","fields":["earpad_material","earpad_replaceable","user_replaceable_parts","cable_length_m","weight_g","in_the_box","cables_included","carrying_case"],"notes":{"weight_g":"Page 3 explicitly excludes cable.","user_replaceable_parts":"Page 3 lists replacement cable and ear pads.","in_the_box":"Page 3 complete box contents."}},{"url":"https://www.richersounds.com/content/product_files/HD550.pdf","kind":"manual","accessed":"2026-10-23","fields":["manual_url"],"notes":{"manual_url":"Maker safety guide HD 505 / HD 550 with connection, headband adjustment and ear pad replacement illustrations. Retailer mirror because current maker Download article is empty."}},{"url":"https://diyaudioheaven.wordpress.com/measurements/brands-s-se/hd550/","kind":"measurement","accessed":"2026-10-23","fields":["foldable","ear_cups_swivel","earpad_inner_dimensions_mm","measured_weight_g","measured_frequency_response_notes"],"notes":{"foldable":"Specifications explicitly says collapsible No.","ear_cups_swivel":"Build description distinguishes sideways swivel from limited vertical tilt.","earpad_inner_dimensions_mm":"Specifications explicitly names inner pad width 42 mm and height 71 mm. Front/rear depth differs, so a single depth is omitted. SoundGuys labels 43 x 75 mm as ear cup dimensions without saying usable opening.","measured_weight_g":"Measured specimen 238 g excluding cable. Maker claim stays 237 g.","measured_frequency_response_notes":"Flatbed rig with good seal, no smoothing. Reviewer applies microphone and low-frequency correction. Measurements published July 11 2025. Actual fit can differ."}},{"url":"https://us.sennheiser-hearing.com/products/hd-550","kind":"manufacturer_page","accessed":"2026-10-23","fields":["anc","usb_c_audio","onboard_eq"],"notes":{"anc":"Maker explicitly describes a direct analog signal path with no electronics. No powered noise cancellation, digital USB audio or stored electronic equalizer.","usb_c_audio":"Maker explicitly describes a direct analog signal path with no electronics. No powered noise cancellation, digital USB audio or stored electronic equalizer.","onboard_eq":"Maker explicitly describes a direct analog signal path with no electronics. No powered noise cancellation, digital USB audio or stored electronic equalizer."}}],"fields_filled":51,"updated":"2026-10-23"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}