Sony ULT WEAR (WH-ULT900N) / Sony WF-1000XM5

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.

Sony WF-1000XM5: WF-1000XM5 · Black, Platinum Silver, Smoky Pink; colours share the same hardware

SpecificationSony ULT WEAR (WH-ULT900N)Sony WF-1000XM5
Release year20242023
Noise cancellingDigital 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 button40 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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Frequency response5–20,000 Hz (JEITA, wired); 20–20,000 Hz over Bluetooth (44.1 kHz sampling) Sony20–20,000 Hz (44.1 kHz); 20–40,000 Hz with LDAC at 96 kHz / 990 kbps

The extended range applies only with LDAC-capable sources, mostly Android phones.

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Bluetooth and codecsBluetooth 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 sensorTwo 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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BatteryMusic 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 useDetachable 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 processingElectret condenser, omnidirectional microphone; DSEE

DSEE tries to restore high frequencies lost in compressed music.

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Impedance and sensitivity314 Ω on, 32 Ω off (1 kHz); 110 dB/mW on, 100 dB/mW off (wired) Sony—
Weight and coloursAbout 255 g; Black, Off-White, Forest Gray Sony—
In the boxConnection cable, USB cable, reference guide, warranty card SonyCharging case, Noise Isolation foam tips, reference guide, USB cable Sony
Service programFree 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.

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Type—Closed, dynamic true wireless in-ear; active noise cancelling Sony
Driver—8.4 mm Sony
Codecs—SBC, AAC, LDAC, LC3

LDAC carries more detail at a high bit rate; LC3 is the efficient codec designed for LE Audio. The profile list includes LE Audio profiles (TMAP, CSIP, MCP, VCP, CCP).

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Battery (music)—Up to 8 hours with noise cancelling on, 12 hours with it off

The figures are for one charge of the earbuds.

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Battery (calls)—Up to 6 hours with noise cancelling on, 7 hours with it off Sony
Charging—Earbuds about 1.5 hours; case about 2 hours over USB; wireless charging on the case Sony
Bluetooth—Bluetooth 5.3; about 10 m range; multipoint

With multipoint the earbuds stay connected to two devices at once.

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Sound features—DSEE Extreme, Ambient Sound mode, Quick Attention

DSEE Extreme aims to restore detail lost in compressed music. Quick Attention lowers the music and lets outside sound in while a finger is held on the earbud.

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Water resistance—IPX4 equivalent

It protects against splashing water; do not submerge.

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Weight—About 5.9 g per earbud (with M tips); case about 39 g Sony
Case size—About 64.6 × 40.0 × 26.5 mm Sony
Staying connected in the case—Earbuds may stay connected while in the case

Sony attributes this to earbuds not seating fully in the case or dirty charging contacts, and suggests opening and closing the case, updating the firmware and wiping the contacts with a dry cloth.

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