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' Size: 184 X 164 X 246(mm) |