Specifications
Description: 2-way dual channel in-ceiling system
Drive Units: 2x ø20mm (1in) soft dome tweeter
1x ø150mm (6in) black glassfibre cone bass/midrange
Frequency Range (-6dB): 48Hz – 30kHz
Recommended Amp Power: 25 – 80w (per channel)
Sensitivity SPL (2.83V, 1m): 82dB (per channel)
88dB (both channels driven)
Impedance Nominal (min): 8Ω (4Ω) (per channel)
Frame diameter: 240mm (9.5in)
Cut-out diameter: 202mm (8in)
Depth behind surface: 133mm (5.2in)
Protrusion: 4mm (0.2in)
Pre-mount Kit: C6
Back Box: 6C
Package Contents: Bowers & Wilkins Two-Way In-Ceiling Speaker CCM664SR, 1Pc; x1 Grille (Square grille not included); x1 aperture template; Manual.