Bowers & Wilkins Pi7 S2 Dual Driver ANC True Wireless Earphones

From the highest-resolution sound quality to crystal clear voice calls, plus an industry-first wireless retransmission case.

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What does it take to create category-defining True Wireless in-ear headphones? It takes the highest-resolution sound quality with 24-bit connection, Qualcomm aptX Adaptive
and dual-driver audio. Advanced, adaptive noise-cancelling, plus two separate microphones per earbud for perfect call quality. The experience continues with a smart, quick-charging wireless case, offering industry-first wireless audio retransmission.


True 24-bit connection

Superior sound quality via a true high-resolution 24-bit connection between earbuds, so now you’ll hear your favourite music and movies as they were meant to be heard.


aptX Adaptive

The latest highest-resolution audio support, finding the best possible connection between your earbuds and your listening device for the best audio experience.


Dual Hybrid Drive Units

Small but powerful two-way drive units in each earbud that work just like high-performance speakers to create rich, immersive sound, from deep and powerful bass to expressive and detailed high notes. So you can hear your music as the artist intended.


Quad amps and advanced DSP

Each two-way drive unit is powered by a dedicated amplifier, combined with an advanced DSP engine tuned by the world’s most respected audio engineers.


Block Out the World

Advanced noise cancellation that automatically adapts to your surroundings and three microphones per earbud for uninterrupted sound and call performance no matter where you are.

Two Microphones for Call Clarity

Each high-performance earbud benefits from two separate microphones with advanced technology to ensure crystal clear calls.


Smart Charging Case

A quick and convenient wireless charging case that works with any wireless charging pad to allow seamless charging on the go without overloading yourself with cables.


Quick Charge Support

Whether you want to get back to your music or have an urgent call, a quick 15-minute charge offers you a further 2-hours of listening and communication time.


Audio Retransmission Case

A truly transformative feature first seen on the original Pi7 S2, the case doubles as a retransmission system, allowing you to retransmit the audio to your Pi7 S2. So these True Wireless headphones allow you to connect directly to sources such as in-flight entertainment systems.


Multiple Device Pairing

For sound wherever you are and whatever you’re doing, transition between your phone, laptop, tablet and other devices with multiple device pairing.


Simple 1 Button UI

Single-button control that supports multiple functions and is simple to use. Because feature-rich should also be easy to use.

  • True 24-bit audio connection
  • 2-way drive unit design
  • High-performance DSP
  • Bluetooth 5.0 with aptX Adaptive technology
  • Multi-device connection
  • Adaptive Noise Cancellation
  • Audio retransmission from charging case
  • Wireless and USB-C charging
  • Fast charging support
  • IP54 water resistance (earbuds only)
  • PI7S2 earbuds and charging case
  • 80 cm USB-C to USB-C charging cable
  • 80 cm 3.5 mm jack to USB-C audio cable
  • Small/medium/large ear tips
Wearing Style

In-ear noise cancelling true wireless earbuds

Bluetooth Codecs

aptX – Adaptive

aptX – HD

aptX – Classic



Bluetooth Profiles

A2DP v1.3.1
AVRCP v1.6.1
HFP v1.7.1
HSP v1.2
BLE GATT (Generic Attribute Profile)

Frequency Band

Tx mode: 2402 MHz to 2480 MHz, ISM Band

Rx mode: 2402 MHz to 2480 MHz, ISM Band

RF Output Power

<10.0 dBm

Drive Units

9.2 mm dynamic drive unit with balanced armature


Three microphones per earbud for calls and noise cancellation

Battery Type

Rechargeable Lithium-ion (earbuds and charging case)

Battery Life and Charging

Up to 5 hours for earbuds (with noise cancellation off) Additional 16 hours from charging case
15 minute charge = 2 hours playback

Wireless Charging Support


Water Resistance

Yes – IP54 (earbuds only)


Earbuds: Bluetooth
Charging case: USB-C and 3.5 mm analogue jack (wireless audio retransmission via charging case)

Included Accessories

80 cm USB-C to USB-C charging cable

80 cm 3.5 mm jack to USB-C audio cable

Small/medium/large ear tips


Charging case: 61 mm (w) x 28 mm (d) x 56 mm (h)


Earbuds: 7 grams (each) Charging case: 47 grams

Surface Materials

Metal, plastic

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