High-speed Bluetooth, USB, SD card, line 4 inputs, with remote control, with 1 signal amplification output(for connecting secondary box) rated power: 20W peak power: 30W frequency response: 90-18000 Sensitivity: 91dB± 3dB input voltage: 220V speaker unit: 5.5 "+ 0.5" Installation hole size: 175 mm appearance size: 205 X 70(mm) |
