The entry-point in the CI600 in-ceiling range, the CCM665 is perfect for smaller listening areas like bathrooms or kitchens. The speaker features a 150mm (6in) woven glassfibre bass/midrange driver and a soft dome tweeter. QuickDogs and plug-and-play functionality make installation a breeze. Perfect for smaller listening areas like bathrooms or kitchens. Features a woven glassfibre bass/midrange driver and a soft dome tweeter. QuickDogs™ and plug-and-play functionality make installation a breeze. Description: 2-way dual channel in-ceiling system Drive Units: 1x ø25mm (1in) soft dome tweeter, 1x ø150mm (6in) black glassfibre cone bass/midrange Frequency Range (-6dB): 45Hz – 35kHz Recommended Amp Power: 25 – 130w Sensitivity SPL (2.83V, 1m): 87dB Impedance Nominal (min): 8Ω (4.5Ω) Supplied as pair Description 2-way in-ceiling system Drive Units 1x ø25mm (1in) soft dome tweeter 1x ø150mm (6in) black glassfibre cone bass/midrange Frequency Range (-6dB) 45Hz – 35kHz Recommended Amp Power 25 – 130w Sensitivity SPL (2.83V, 1m) 87dB Impedance Nominal (min) 8Ω (4.5Ω) 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