USB/SD card playback supports breakpoint memory function USB falsh disk,SD card playback and AUX input Integrated side control panel makes system adjustments easy and convenient 4 inch bass and 2 3/4 inch mid-range &treble drivers Six buttons for audio source selection,previous/next track,play/pause and volume up/down Wooden subwoofer enclosure Universal 100V-240V power supply.
Power output: RMS R/L: 4.5W 2 SW: 12W
Signal to noise ratio: 80dBA
Frequency response: 80Hz~20kHz (±6dB)
Input sensitivity: R/L: 300±50mV SW: 100±20mV
Input type: AUX/USB/SD card
Bass driver: 4 inch
Treble driver: 2 3/4 inch