Features: Two signal inputs: DVD signal and AUX signal.  LINE output, the signal output can be connected to the active subwoofer or other equipment signal source.  AC input Power and With car DC12V input.  With remote control .  Bluetooth 5.0.  With FM radio.  5-band EQ mixer.  Reverberation, treble, bass, balance.  Support: plug in USB, SD, audio input (Computer/notebook, TV, projector, set-top box, DVD, mobile phone, LAPD, etc.), 4 microphone inputs. With microphone treble, bass delay adjustment.     Specifications: Size:360*240*70mm/14.2x9.4x2.8";  Voltage:AC 110V/220V , DC12V ;  Channel:2 Channel;  Rated frequency:20KH - 20KHz;  Signal to noise ratio:90dB;  Standard impedance:4 to 16Ω;  Signal input sensitivity:200mv (± 30mv);  Total harmonic distortion:≤ 0.5%;  Microphone input sensitivity:9 mv (± 2mv);  Recording level output:1V;  Auxiliary level output:1V;  Support:USB Disk/Max 64GB SD Card(Not included);  Color:Black;     Note: 1.The USB Disk/Max 64GB SD Card is not included in the package.  2.Please allow 0.5-1cm differences due to manual measurement.  3.Due to the light and screen difference, the item's color may be slightly different from the pictures.     Package Included: 1 x Audio Power Amplifier;  1 x Remote Control;  1 x FM ANT Line;  1 x User Manual