Features:
Active Ceiling speaker SPL: Maximum short time sine wave acoustic output at 1 m on axis in half space, averaged from 100 Hz to 3 kHz ?100 dB
SPL Drivers: Bass 5" Treble 3/4" metal dome Free field frequency response 70 Hz - 18 kHz Amplifier power /ch Bass 40 W Treble 40 W Speaker mm 284 & 158 mm(Diameter & Depth) Amplifier (H x W x D) mm 177 x 54 x 260 mm Speaker weight 3.0 kg (6.6 lb) Amplifier weight 2.2 kg (4.8 lb)