JBL Control Now, CONTROL® SERIES. Tweeter size: 19 mm, Woofer size: 100 mm. Peak Music Power Output (PMPO): 300 W, Frequency range: 80 - 30000 Hz, Impedance: 8 Ом. Weight: 3 kg. Type: In-wall/On-wall/In-ceiling speakers, Dimensions (WxDxH): 364 x 251 x 127 mm, Audio output channels: 2.1