Specifications
Technical features: Carbon Dome tweeter
Continuum cone FST midrange
Aerofoil profile bass cones
Flowport™
Description: 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
Sensitivity 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
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)
Protrusion: 7mm (0.28in)
PMK: 7.3W
Neto weight: 12.4kg
Package Contents: Bowers & Wilkins In-Wall Speaker CWM 7.3 S2, 1Pc; Grille; Backbox; Manual.