B&W CCM664SR In-ceiling single-stereo speaker
B&W CCM664SR In-ceiling single-stereo speaker  Ref: CCM664SR
Like the CCM663SR, this is a dual, two-way ceiling speaker combining two offset tweeters and a twin voice coil bass/midrange driver to allow either for a combined stereo signal from one speaker, or for rear-channel surround sound. This speaker features a 150mm (6in) woven glass fibre cone bass/midrange driver and soft dome tweeters, as well as a two-position stereo/surround switch to instantly change between modes.

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
Sensitivity SPL (2.83V, 1m) 82dB per channel
88dB (both channels driven)
Impedance Nominal (min) 8 ohms (4 ohms per channel)
Frame diameter 240mm (9.5in)
Cut-out diameter 202mm (8.0in)
Depth behind surface 133mm (5.2in)
Protrusion 4mm (0.2in)
Pre-mount Kit C6
Back Box 6C