BT-288 Bluetooth Stereo Audio Karaoke Power Amplifier

Bluetooth Hifi MP3 Stereo Input AC220VInput DC12V/5A*Frequency Response: 20Hz to 20KHz  (+10dB)*Signal to noise Ratio:>80dB*input sensitivity: 150mV*Loudness: +6dB at 100Hz, +6dB at 10kHz*Load Impedance: 4 to 8ohms *Surround effect control: 0~10dB karaoke*Aux audio signal input *Audio Signal output *Line audio signal output *R right Channel Speaker output *L right Channel Speaker output *External 12v/5A DC(-) input *External 12v/5A DC(+) input *FM Radio Antenna *AC power input PortA high quality portable Amplifier designed for portable speakers, It can be used in car, tricycle, office, home, etc, also good for home theater woofer. It has Bluetooth, FM Radio, USB/memory card ports (for mp3), LED  Screen, mic Ports, microphone volume control, MP volume control, Bass, Treble, etc. Best for ceiling speakers, Wall Speakers, Underground Speakers,  low power speakers, and home cinema systems. It comes with remote and manual paper. *Tested Okay Before ShippingBest for ceiling speakers, Wall Speakers, Underground Speakers,  low power speakers, and home cinema systems.