B&W Serie CI600, In-Ceiling Speaker CCM 665

150mm 2-Way In-Ceiling Speaker
1x ø150mm (6in) woven Glassfibre cone bass/midrange
1x ø25mm (1in) fixed soft dome tweeter
Frequency Range (-6dB): 45Hz – 35kHz
Recommended Amp Power: 25 – 130w
Sensitivity SPL (2.83V, 1m): 87 dB
Impedance Nominal (min): 8Ω (4.5Ω)
Frame diameter: 240mm (9.5in)
Cut-out diameter: 202mm (8in)
Depth behind surface: 133mm (5.2in)