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P9 Signature

Bowers & Wilkins P9 Signature Headphone

P9 Signature, our largest over-ear headphone, exemplifies all of the acoustic and design innovation skills we have amassed in our 50 year journey. P9 Signature raises the bar for performance from a mobile headphone. 

50 years of audio excellence.

P9 Signature is conceived by our engineering team in the Steyning Research Establishment in West Sussex, England. Founded by John Bowers, SRE is the heart of Bowers & Wilkins and the mind and soul that creates the products people love.

Engineered by masters of sound.

Optimized Cabinet

P9 Signature’s elegant earcups contain sophisticated acoustic cabinets perfected using Finite Element Analysis. Using composites and aluminium this optimized acoustic environment enables the drive unit to do its job of rendering your music with total precision.

De-coupled Headband

P9 Signature’s headband cleverly decouples each ear cup. This stops unwanted vibration transmitting between each ear cup and the headband. This removal of distortion is one of the reasons P9 Signature is so clear and open sounding.

Sound that exceeds all expectation.

We’ve angled the drivers in the P9 Signature to provide a more natural experience. You will hear stereo more like it sounds in real life: aligned in front of you rather than to the side.

Exquisitely Crafted

Saffiano Leather

P9 Signature’s headband and ear cups are crafted from the finest Italian Saffiano leather by Scabrenta. It uses a ‘stamping’ technique that gives the leather a distinctive cross-hatch finish.

Alcantara Carry Case

P9 Signature’s luxury case is the perfect partner for our flagship headphone. Dressed in Alcantara, the 100% Mad in Italy high tech luxury material, it will protect your investment and reflect its beauty.


Technical Features: 

Nylon damped cone with acoustic coating.

Large surround diaphragm

CCAW coil with external large pole magnet

Dual cavity ear cushions

Controlled acoustic air leak cushions

Changeable ear cushions

Detachable cable

Folding (hinged) design


3.5mm stereo jack (TRRS 4-pole CTIA spec.)

3.5mm stereo jack (Trs 3-pole unbalanced stereo spec.)

Drive Units: 2x ø40mm (1.6 in) full range

Frequency Range: 2Hz to 30kHz

Impedance: 22 ohms

Distortion (THD): <0.2% (1kHz/10mW)

Sensitivity: 111dB/V at 1kHz 

Max. Input Power: 50mW

Net Weight: 0.9 lbs.

MSRP: $899


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