4 Channel full range class D amplifier 

Feature:

Frequench range: 20Hz-20KHz (for full range model),

20Hz-250Hz (for mono block model )

RCA input and high input 

RCA/Hi input source selection 

Input sensitivity:200mV-6V

Adjustable crossover: LPF: 50-250Hz,(for full range model),

LPF: 30Hz-250Hz(for mono block model)

Hpf:50-250HzBass boost : 0dB-12dB

Subsonic filter:15-50Hz (for mono block model)

Signal sensing 

Remote level control( for mono block model)

Short, thermal, over load protection 

Specification:

NSAP-4200  4X150W  RMS Powe@4 OHMS,1%THD 

 NSAP-4200  4X200W RMS  Powe@2 OHMS,1%THD 

 Dimension:(L)  245mm x 180mm (W) x 49mm(H)