Bowers and Wilkins

B&W CWM7.3 S2 In-Wall Speaker (single)


The new Bowers & Wilkins CWM7.3 S2 is a no compromise high-performance in-wall speaker for when you require outstanding performance in both theatre and stereo applications. Designed to match the performance levels of the B&W 703 S2 floorstanding speakers but once installed are virtually invisible

The B&W CWM7.3 S2 Speaker is designed to be used in-wall as a stereo pair or as part of a home cinema installation as a front left and right, centre and surround channels.

They feature an integrated back box that optimises its performance, cuts down on sound transference through walls and also makes it easy to retrofit. Its design incorporates twin 150mm (6in) Aerofoil profile bass drivers, a 100mm(4in) Continuum cone FSTTM mid-range driver and a Carbon Dome 25mm (1in) tweeter, all proven technologies shared with the acclaimed 700 Series range of loud speakers. These outstanding transducers, when combined with high-quality, optimised, components on the crossover and a critically formed baffle constructed from glass reinforced ABS, produce a truly remarkable in-wall speaker.

Technical Specifications

Technical features
Carbon Dome tweeter 
Continuum cone FST midrange
Aerofoil profile bass cones 



3-way in-wall system

Drive units
1x ø25mm (1 in) Carbon Dome high-frequency
1x ø100mm (4 in) Continuum cone FST midrange

2x ø150mm (6 in) Aerofoil profile bass

Frequency range (-6dB)

-6dB at 43Hz and 33kHz

Frequency Response -3dB

45Hz - 28kHz ±3dB


90dB spl (2.83Vrms, 1m)

Harmonic distortion
2nd and 3rd harmonics (90dB, 1m)

<1% 80Hz - 33kHz
<0.5% 120Hz - 33kHz

Nominal impedance

8Ω (minimum 3.1Ω)

Recommended amplifier power

25W - 200W into 8Ω on unclipped programme

Frame height

736mm (29in)

Frame width

276mm (11in)

Depth (behind surface)

102mm (4.02in)

Cut-out height

711mm (28in)

Cut-out width

251mm (9.9in)

Cut-out height w/PMK

715mm (28.1in)

Cut-out width w/PMK

256mm (10.1in)

Reservoir box height

460mm (18.1in)

Reservoir box width

220mm (8.7in)


7mm (0.28in)



Net weight

12.4kg (27.32lb)

Back box: White
Grille:  White

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