BWM-8901      
Features:      
2-channel dynamic amplifier  
MOSFET PWM power supply    
Bridgable & tri-mode operation  
Power soft start      
Mute circuit for power on/off(built-in)
Overload,thermal, short circuit protection
Specifications:      
1) RMS power output:    
a) @4ohms:80Wx2      
b) @2ohms:120Wx2      
c) @Bridge at 4 ohms: 180W    
2) Signal to noise ratio: 90dB  
3) Frequency response: 20Hz to 20kHz
4) Total harmonic distortion: 0.05%  
5) Input voltage range: DC 11-15V  
6) Input sensitivity: 200mV-4V  
7) Dimensions(LxWxH):360x200x60mm