Apart/Biamp In-Wall Speaker- CMRQ108. New, never used. High quality speaker APart CMRQ108 HiFi/Home Theatre In-Wall L/R Speaker 120W - 8 Ohm The CMRQ series has a 6.5 bass mid-speaker with a DuPont Kevlar cone and low loss rubber surround. High frequencies are covered by a tiltable 1 silk dome tweeter that is carefully matched to deliver an amazing and detailed sound, without the harshness commonly found in cheap metal alloy domes. The treble contour can be adjusted in 3 steps to suit your personal preferences. CMRQ108 is 8-Ohm standard, and can easily be switched to 12 ohms. This way you can use two speakers in parallel on one amplifier channel, giving a total load impedance of 6 Ohm. This load impedance is standard for most surround receivers. Features: Speaker type: in-wall/in-ceiling, two way hifi Bass-mid speaker: 6.5 DuPont Kevlar cone Tweeter: 1 soft dome, pivotable within approx 25 degrees in all directions Nominal impedance: 8 ohms (can be switched to 12 ohms) Recommended amplifi er power: 15 to 120 watts per channel Tweeter level adjustment: 3 level treble contour switch Crossover frequency and slope: 3000 Hz, 12 dB/oct Frequency range: 45* 25000 Hz Sensitivity: 87 dB spl (2.83V/1m) Dimensions outside H x W: 296 x 196 mm Cutout dimensions H x W x D: 272 x 172 x 78 mm Weight:1,65Kg Accessories supplied: grille removal tool, build-in template *low frequency limit depends on room size, backspace volume, damping, proximity of adjacent walls etc...