Sony ULT WEAR (WH-ULT900N) / Samsung Galaxy Buds FE

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.

Samsung Galaxy Buds FE: Galaxy Buds FE (SM-R400); Graphite or White. The Galaxy Buds3 FE released in 2025 is a separate product.

SpecificationSony ULT WEAR (WH-ULT900N)Samsung Galaxy Buds FE
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.

Sony		—
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.

Sony		—
Frequency response5–20,000 Hz (JEITA, wired); 20–20,000 Hz over Bluetooth (44.1 kHz sampling) Sony—
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.

Sony		—
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.

Sony		—
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 SonyEarbud 60 mAh, case 479 mAh (typical); 6 hours with ANC on (21 hours with case), 8.5 hours with ANC off (30 hours with case); talk time 3.5 hours with ANC on

The case does not support wireless charging; it charges over a USB-C cable.

Samsung
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.

Sony		—
Microphone and processingElectret condenser, omnidirectional microphone; DSEE

DSEE tries to restore high frequencies lost in compressed music.

Sony		—
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 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.

Sony		—
Driver and sound—1-way speaker; Scalable (Samsung proprietary), AAC and SBC codecs

The Scalable codec is Samsung’s codec that adjusts bitrate to connection quality and works with Galaxy devices; other phones use AAC or SBC. The high-resolution SSC Hi-Fi codec is not supported.

Samsung
Noise cancellation—Active Noise Cancellation (ANC) and Ambient Sound

ANC picks up outside sound with microphones and suppresses it with an inverse wave; Ambient Sound lets outside sound in so you can hear without removing the buds.

Samsung
Microphones—3 microphones per earbud (2 outer + 1 inner)

Samsung says automatic personalized beamforming and a DNN separate speech from background noise.

Samsung
Connectivity—Bluetooth 5.2; Auto Switch, SmartThings Find

Auto Switch moves audio automatically between Galaxy phones, tablets and watches on the same Samsung account. SmartThings Find shows the buds’ last location.

Samsung
Fit—3 sizes of ear tips and 2 sizes of wingtips

Wingtips grip the ear to help the buds stay in place during exercise.

Samsung
Sensors—Proximity, Hall, touch

The proximity sensor pauses music when a bud is removed; the touch surface controls playback and modes.

Samsung
Compatibility—Android 8.0 or later with more than 1.5 GB of RAM

Some features do not work on non-Samsung devices.

Samsung
Size and weight—Earbud 17.1 × 19.2 × 22.2 mm, 5.6 g; case 50.0 × 27.7 × 50.0 mm, 40.0 g Samsung