Bose QuietComfort Ultra Earbuds (2. nesil) / Sony WH-1000XM4

Bose QuietComfort Ultra Earbuds (2. nesil): True wireless in-ear · wireless charging case

Sony WH-1000XM4: WH-1000XM4 closed over-ear wireless headphones; Black, Platinum Silver and Blue. The WH-1000XM3 (previous) and WH-1000XM5 and XM6 (later) generations are separate models.

SpecificationBose QuietComfort Ultra Earbuds (2. nesil)Sony WH-1000XM4
Release year20252020
TypeIn-ear true wireless earbuds Bose—
Noise cancellingAdaptive active noise cancelling (ANC) · Aware (ambient) mode

ANC picks up outside sound with microphones and cancels it with an opposing signal. Bose says this generation changes cancellation levels more smoothly when sudden noises occur.

Bose		HD Noise Cancelling Processor QN1; two noise-sensing microphones per cup; adaptive sound control

QN1 works with a new Bluetooth audio chip to sample ambient noise many times a second and cancel it with an inverse signal.

Sony
Microphones4 microphones per earbud · AI-powered call noise suppression BoseFive microphones for Precise Voice Pickup Sony
MultipointTwo source devices at once BoseSimultaneous connection to two Bluetooth devices with switching between them

For example, you can switch between a phone and a laptop without re-pairing.

Sony
BluetoothBluetooth 5.3 · range up to 9 m

Bose states the earbuds do not receive LE Audio content.

Bose		—
CodecsSBC, AAC, aptX Adaptive (Snapdragon Sound)

aptX Adaptive adjusts quality and latency to connection strength; the phone must also support this codec.

Bose		—
BatteryEarbuds up to 6 hours (4 hours with Immersive Audio on) · up to 24 hours in total with the case

Immersive Audio is Bose's spatial audio mode and shortens battery life.

Bose		—
ChargingUSB-C · wireless charging case · up to 2 hours of use from a 20-minute charge

The earbuds take about 2 hours and the case about 3 hours to charge fully.

Bose		—
Water resistanceEarbuds IPX4 · case not water resistant

IPX4 is protection against splashing water, not against immersion.

Bose		—
Weight0.017 lb (about 7.7 g) per earbud · case 0.132 lb (about 60 g) Bose—
DimensionsEarbud 2.99 × 1.25 × 2.49 cm · case 6.63 × 5.97 × 2.69 cm Bose—
ColoursBlack, White Smoke, limited-edition Deep Plum Bose—
Driver and frequency—40 mm dome-type driver (CCAW voice coil, aluminium-coated LCP diaphragm); wired 4–40,000 Hz; Bluetooth 20–20,000 Hz (44.1 kHz), with LDAC 20–40,000 Hz (96 kHz, 990 kbps) Sony
Bluetooth and codecs—Bluetooth 5.0; A2DP, AVRCP, HFP, HSP; SBC, AAC, LDAC; about 10 m range

LDAC enables up to 990 kbps with compatible Android phones; iPhones use AAC.

Sony
Battery and charging—Up to 30 hours with NC on, 38 hours off; full charge in about 3 hours over USB-C; about 5 hours of playback from 10 minutes

The 5-hours-from-10-minutes figure is given with the optional AC adaptor.

Sony
Wired use—Detachable cable of about 1.2 m with OFC strands and gold-plated 3.5 mm plug Sony
Smart features—Wear detection sensor; Speak-to-Chat; DSEE Extreme

The wear sensor pauses music when the headphones come off. Speak-to-Chat stops music and lets in ambient sound when you start talking. DSEE Extreme tries to upscale compressed files in real time with AI.

Sony
Design—Closed dynamic, circumaural; cups swivel inward to fold into the carry case Sony