Google Pixel Buds Pro 2 / Sennheiser ACCENTUM Plus Wireless

Google Pixel Buds Pro 2: GA12449-series in-ear earbuds; Porcelain, Hazel, Peony, Moonstone, Olive and other colours. The original Pixel Buds Pro and Pixel Buds 2a are separate models.

Sennheiser ACCENTUM Plus Wireless: ACCENTUM Plus Wireless around-ear wireless headphones; black (700176) and white (700177). The cheaper ACCENTUM Wireless and the higher-end MOMENTUM 4 are separate models.

SpecificationGoogle Pixel Buds Pro 2Sennheiser ACCENTUM Plus Wireless
Release year20242024
ChipGoogle Tensor A1 in each earbud

Google says Tensor A1 adapts audio to the environment up to 3 million times per second and runs noise cancellation twice as strong as the original Pixel Buds Pro; music and noise-cancellation processing run on separate paths.

Google		—
Noise controlActive Noise Cancellation with Silent Seal 2.0; Transparency mode; active in-ear pressure relief; Conversation Detection

Pressure relief reduces the plugged-ear feeling of sealed earbuds. Conversation Detection pauses music and switches to transparency when you start talking.

Google		—
DriverCustom-designed 11 mm dynamic driver per earbud Google37 mm dynamic; 10 Hz–22 kHz; 106 dB SPL; THD below 0.3%

Sennheiser says the driver is mounted at an angle. Impedance is 560 ohms in active mode and 95 ohms in passive (wired, powered off) mode.

Sennheiser
MicrophonesThree mics per earbud; voice accelerometer; wind-blocking mesh covers

The voice accelerometer picks up jaw vibration while you speak to help separate your voice from ambient noise. Google’s Clear Calling and Super Wideband calling require compatible Pixel phones.

Google		Two MEMS microphones with beamforming for noise reduction; 50 Hz–8 kHz Sennheiser
ConnectivityBluetooth 5.4 with Super Wideband; works with Bluetooth 4.0+ devices

Full features need an Android 6.0 or newer phone, a Google Account and an internet connection; basic listening works with an iPhone.

Google		—
BatteryANC off 12 hours (48 hours with case); ANC on 8 hours (30 hours with case); 5 minutes charge gives 1.5 hours (ANC off)

Google’s blog footnote says figures were measured on pre-production hardware with other features disabled; real-world time may be shorter.

Google		800 mAh lithium-ion; up to 50 hours with ANC on; full charge about 3.5 hours; 5 hours from 10 minutes

Sennheiser measured the 50 hours with an iPhone at medium volume; charging is via USB-C at 5 V, up to 700 mA.

Sennheiser
Charging caseUSB-C and Qi-certified wireless charging; ringtone speaker for Find Hub; Hall effect sensor for open/close

The case speaker lets you ring a lost case through Find Hub.

Google		—
SensorsCapacitive touch (tap and swipe); IR proximity sensor; accelerometer and gyroscope

The proximity sensor pauses music automatically when you take an earbud out; swiping adjusts volume.

Google		—
DurabilityEarbuds IP54; case IPX4

IP54 limits dust ingress and resists splashing water from any direction; the earbuds should not be submerged. The case has no dust rating.

Google		—
Size and weightEarbud (medium tip) 22.74 × 23.08 × 17.03 mm, 4.7 g; case 49.9 × 63.3 × 25 mm, 65 g with earbuds

Google says the earbuds are 27% smaller and 24% lighter than the original Pixel Buds Pro.

Google		—
Software supportAutomatic security updates for at least three years from first availability on the US Google Store Google—
Type—Headband, around-the-ear (circum-aural) wireless headphones; fold flat

Sennheiser promises a light, ergonomic fit with a soft silicone inner headband and cushioned earcups; folded flat it measures about 16.5 × 19.5 × 4.8 cm.

Sennheiser
Noise cancelling—Hybrid adaptive ANC; Transparency mode; automatic anti-wind mode

Hybrid ANC measures noise with microphones both outside and inside the earcup; the adaptive version changes the cancellation strength automatically with ambient noise. Transparency mode lets outside sound in with a touch.

Sennheiser
Bluetooth and codecs—Bluetooth 5.2, class 1; SBC, AAC, aptX, aptX Adaptive; A2DP, AVRCP, HFP, HSP

aptX Adaptive is a Qualcomm codec that adjusts bitrate to link quality on compatible devices.

Sennheiser
Controls and sensors—Touchpad on the right earcup; dedicated pairing button; Smart Pause when removed

Tap plays or pauses, sliding up and down sets volume, and swiping sideways skips tracks or answers calls.

Sennheiser
App—Sennheiser Smart Control (iOS and Android); 5-band equaliser, presets, Sound Personalization

Sound Personalization adjusts the sound to the user with a listening test developed with the Fraunhofer Institute.

Sennheiser
In the box—Headphones, USB-C charging cable, carry case, auxiliary (3.5 mm) audio cable, quick guide Sennheiser
Weight—227 g Sennheiser