Reasons to choose Bowers & Wilkins Performance Series CWM663 over Bowers & Wilkins Performance Series CWM664
Max Input Power 150 watts vs 130 watts
High Frequency Response 50k Hz vs 35k Hz

Reasons to choose Bowers & Wilkins Performance Series CWM664 over Bowers & Wilkins Performance Series CWM663

Price per pair* 700USD vs 900USD
B&W CWM663 vs B&W CWM664 Specs Table
General Bowers & Wilkins Performance Series CWM663 Bowers & Wilkins Performance Series CWM664
Brand Bowers Wilkins Bowers Wilkins
Speaker Type Passive In-wall Speaker Passive In-wall Speaker
Power Range 25-150 watts 25-130 watts
Sensitivity 88 dB 87.5 dB
Impedance 8 ohms 8 ohms
Frequency Response 45-50kHz 45-35kHz
Drivers
Woofer Quantity 1 1
Woofer Size 6" 6"
Woofer Composition Kevlar Glass-fiber
Woofer Surround Material Rubber Rubber
Tweeter Size 1" 1"
Tweeter Type Soft-Dome Soft-Dome
Aimable Tweeter No No
Midrange Driver N/A" N/A"
Physical Specs
Height 280.0mm (11") 280.0mm (11")
Width 185.0mm (7.3") 185.0mm (7.3")
Depth 96.0mm (3.8") 96.0mm (3.8")
Enclosure In-wall In-wall
Moisture Resistancy No No
Connections
Biamp Inputs No No
Other
Parts Warranty 5 Years 5 Years
Labor Warranty 5 Years 5 Years