B&W PI4 In-Ear Noise-Cancelling Wireless Headphones

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No headband, no compromise on quality. Cancel noise and get immersed in your music with in-ear headphones built on the same rigorous standards that brought the epic Bowers & Wilkins sound to Abbey Road Studios.

Custom 14mm drivers pack full sound into a tiny space. Designed by the same team behind the B&W 800 Diamond Series speakers (as used in Abbey Road Studios), these drivers ensure you stay immersed in music wherever you go.

No matter what you're listening to, watching or playing, hear what you were meant to hear. The new aptX codec gives you pure, unmatched audio, whether you're traveling, moving, or standing still in the sound.

Move freely with noise-cancelling microphones that cut out distractions before they reach your ears. Keep out the buzz of traffic, terminals, underground, and office environments.

An extensive 12-hour battery life allows you to go from night to day without missing a beat. If that’s not enough, a 15-minute quick charge delivers three hours of immediate playback. Flying transatlantic sounds a lot better with the PI4.

Soft silicone and rubber together make the PI4 feel specifically designed for how and where you listen. Soft and durable, these headphones are built for how you live, every moment and every day.

Magnets clip the earpieces together when you take them off, automatically pausing the music. Unclip them and pick up where you left off.


  • Adaptive Noise Cancellation
  • Ambient Pass-Through
  • Magnetic Clip Sensor
  • Bluetooth 5.0 with AptX-Adaptive technology
  • USB-C charging and audio interface

Carton Contents

  • PI4 headphones
  • Storage case
  • USB-C charging cable
  • Ear tips (small, medium and large)
  • Ear stabilisers (small, medium and large)
  • Document pack


  • Bluetooth Codecs: AptX-Adaptive, AptX-HD, AptX-Classic, AAC, SBC
  • Bluetooth Profiles: A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT (Generic Attribute Profile)
  • Drive Units: 2x 14.2mm full range
  • Microphones: 2x mics for ANC, 2x mics for telephony (CVC1 – Clear Voice Communication v1)
  • Frequency Range: 10Hz to 30kHz
  • Distortion: (THD) <0.3% (1kHz/10mW)
  • Battery Type: Rechargeable Lithium Polymer
  • Battery Life & Charging: 10hrs Bluetooth with ANC, 3hrs with 15min charge
  • Inputs: Bluetooth, USB-C audio
  • In-Box Accessories: 20cm USB-A to USB-C cable, Storage Pouch, Ear Tips (S, M, L) & Stability Fins (SML)
  • Weight: 40g

More Information

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Headphone Features

Dynamic Driver Size:
Headphone Type:
  • In Ear Headphones
  • Noise Cancelling Headphones
  • Wireless Headphones
Frequency Range:
10 - 30,000



  • UK from: £1.50
  • EU shipping from: £2.95
  • International from: £3.95
  • View shipping rates for your country here

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Our Advantages

  • Fast and insured shipping
  • 14 days money back guarantee
  • VAT Free Purchases for non EU residents
  • London Showroom - Largest selection of headphones, earphones and portable players in the UK.

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