Title Compact Bluetooth 4 Channel Digital Amplifier
Amplifier Type Class D
Power Output Stereo(4Ω) 45 W x 4
Bridged(4Ω) 90 W x 2
Maximum Power Output MAX POWER 400W
Specifications Signal to Noise Ratio 90dB (Reference: Rated Power into 4Ohms at 14.4V)
Frequency Response 20Hz-20kHz (+0dB, -1dB)
Input Impedance 10k ohm
Speaker Impedance
Terminals Battery & Ground MOLEX Connector with 1500mm Wire
Speaker Output MOLEX Connector with 1500mm Wire
Line In RCA (Ni)
Line Out RCA (Ni)
General Dimensions(WxHxD) 145mm X 45mm X 99mm
Weight  (kg) 1.4kg
Operating Voltage 14.4V(11-16V allowable)
Key Features

Class D
2 Ohms Load Capability
Speaker Level Input
Signal Sensing Turn-on
Power MOS-FET Switching Power Supply
Extruded Aluminum Heat Sink Design
Line Output Terminals for Extension