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Bowers & WilkinsPi8

In-ear
Wireless
Noise cancelling

£299View retailers

Test score

Lowest available prices

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With the trademark sleek and stylish Bowers & Wilkins design, the Pi8s are aimed at the more premium end of the headphones market – and that’s reflected in the price. There’s a lot of competition at this level from Apple, Bose, Sony and other brands, so can these headphones rise above the pack? Find out in our Bowers & Wilkins Pi8 review, based on in-depth testing.

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What's included?

What are they?
How do they sound?
What are they like to live with?
How long does the battery last?
Is there anything else I should know?
Should I buy them?

KEY TEST RESULTS
Sound quality
Comfort

Mar 2025First reviewed by Which?
Aug 2024Released

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

How we test headphones

3 Jun 2025

Sound quality

Overall
Speech sound quality
Classical sound quality
Jazz sound quality
Rock sound quality

How we test sound quality

We rate sound quality using a professional panel of expert listeners with a range of ages and musical tastes. They listen to samples that cover a wide range of music and radio genres, giving a rating per recording and an overall verdict.

Microphone quality

How we test microphone quality

We test the quality of the speech picked up by the microphone on the product. We test it with and without background noise to come up with a verdict.

Noise cancelling

Overall
Acoustic seal
Sound leakage

How we test noise cancelling

We use an artificial ears to measure the exact sound measurements being stopped by the noise cancelling features on each pair of headphones. We will enable active noise cancelling (ANC) if the headphones have this function. This a premium function and these products monitor surrounding noise and alter the strength of noise-cancelling to combat it. Our acoustic seal test tests headphones with ANC to see how well they physically block out noise cancelling without playing any audio.

Comfort

How we test comfort

Our professional panel of listeners assess the comfort of the product.

Durability

How we test durability

Our lab professionals assess how well built the headphones are. We drop the products onto a stone floor from a height of 1.8 metres to test their robustness. We also put them through identical rain tests for five minutes to see if they are water resistant.

Battery life

How we test battery life

We play sounds continuously at a reasonable volume until the battery runs out. We replicate how you are likely to use the headphones, such as with noise cancelling enabled. Since wireless headphones are convenient, battery life doesn't affect our overall score for a pair of headphones (although anything particularly bad we'd make a Don't Buy).

General
Type	In-ear
Powered from battery	Yes
Type of battery	Lithium Ion Built in Battery
Wireless or wired	Wireless
Weight	14g
Cable length	75cm
Headphone controls	Yes
L and R present	Yes
Headphones fold	No
Battery life	337 mins

Features
Noise cancelling	Yes
Adaptive noise cancelling	Yes
Sports headphones	No
Truly wireless	Yes
Latency	258

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Bowers & WilkinsPi8

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