Sony WH-1000XM6 / Sony ULT WEAR (WH-ULT900N)

Sony WH-1000XM6: WH series · Over-ear

Sony ULT WEAR (WH-ULT900N): WH-ULT900N (printed code YY2981) closed over-ear wireless headphones; Black, Off-White, Forest Gray. ULT FIELD speakers and the WH-1000X series are separate products.

SpecificationSony WH-1000XM6Sony ULT WEAR (WH-ULT900N)
Release year20252024
Driver30 mm Sony—
Bluetooth5.3 Sony—
Bluetooth profilesA2DP, AVRCP, HFP, HSP; TMAP, GMAP, PBP for LE Audio

About 10 m line-of-sight range; Power Class 1.

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CodecSBC, AAC, LDAC, LC3 Sony—
Frequency responseWired and on: 4–40,000 Hz; LDAC 96 kHz: 20–40,000 Hz

Over Bluetooth at 44.1 kHz sampling the range is 20–20,000 Hz.

Sony		5–20,000 Hz (JEITA, wired); 20–20,000 Hz over Bluetooth (44.1 kHz sampling) Sony
Impedance / sensitivityWired, on: 48 Ω, 103 dB/mW; off: 16 Ω, 102 dB/mW Sony—
Rated battery lifeMusic: up to 30 hours with ANC, 40 hours without ANC Sony—
Rated talk timeUp to 24 hours with ANC, 28 hours without ANC Sony—
ChargingAbout 3.5 hours; 9 V / 2.3 A with a USB Power Delivery adapter

Charge between 5 and 35 °C; use between 0 and 40 °C.

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ConnectionsBluetooth; 3.5 mm audio; USB-C charging Sony—
WeightApproximately 254 g Sony—
Gaming audioGMAP support · firmware 3.1.5

Added by the 30 June 2026 update; requires a compatible phone and game.

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LE Audio requirementLC3; Low latency mode in Sound Connect

LE Audio is unavailable in the default Prioritize Sound Quality mode.

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Water protectionNot waterproof

Not designed for rain or wet use.

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Earlier software fix2.1.0: recording/playback in some iPhone apps and missing call audio

21 August 2025 release note; not a fix for every connection issue.

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Noise cancelling—Digital active noise cancelling with Integrated Processor V1 and Dual Noise Sensor; Ambient Sound mode

Two mics on each cup sample outside noise and the processor generates an inverse signal; Ambient Sound mode lets you hear announcements and speech without removing the headphones.

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Driver and ULT button—40 mm dome-type closed dynamic driver with neodymium magnet; ULT button for bass-heavy sound mode

The ULT button switches to a strong bass setting with one press; the app equaliser can tune the sound further.

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Bluetooth and codecs—Bluetooth 5.2; A2DP, AVRCP, HFP, HSP; SBC, AAC, LDAC; about 10 m range

LDAC carries audio at a higher bitrate from Android devices; iPhones do not support LDAC and use AAC.

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Multipoint and sensor—Two Bluetooth devices at once; wear sensor (pauses music when removed)

You can switch between a phone and a computer without re-pairing.

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Battery—Music up to 30 hours ANC on, 50 hours off; calls up to 30 hours ANC on, 40 hours off; about 3.5 hours to charge over USB Sony
Wired use—Detachable single-sided cable of about 1.2 m, gold-plated L-shaped 3.5 mm plug; passive operation supported

When the battery is flat you can keep listening over the cable; audio over USB-C is not listed.

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Microphone and processing—Electret condenser, omnidirectional microphone; DSEE

DSEE tries to restore high frequencies lost in compressed music.

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Impedance and sensitivity—314 Ω on, 32 Ω off (1 kHz); 110 dB/mW on, 100 dB/mW off (wired) Sony
Weight and colours—About 255 g; Black, Off-White, Forest Gray Sony
In the box—Connection cable, USB cable, reference guide, warranty card Sony
Service program—Free repair until 31 January 2027 for cracks in the rotating shaft between headband and housing on specific serial numbers

The serial number is printed inside the left hanger; Sony provides affected ranges and a checker per colour. The crack can cause the housing to detach. Ranges listed in Canada: Black 1000001–1164062, Off-White 2000001–2040144, Forest Gray 3000001–3026514.

Sony