Car, marine & subwoofer amplifier, car & marine radio (with weather band and interfaces for iPod, satellite radio, MP3, USB and SD card), motorcycle and marine audio, backpack audio, power inverter, ballast, OEM, ODM, EMS. Earliest car amplifier manufacturer in China. 12 years experence for car & subwoofer amplifier.
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Description
Class-D (Digital) car amplifier
Super-efficient Class-D PWM design runs much cooler
High-efficiency MOSFET power supply
Die casting terminal block and Gold / Nickel plated RCA jacks
High / Low level inputs (Except Mono)
Short circuit / thermal / overload / DC offset protection
High / Lowpass electronic X-overs with adjustable frequency
Remote Bass Boost
Soft delayed remote turn-on / off circuitry
Fully 1Ω stable operation (Mono only)
Subsonic filter (Mono only)
Variable phase shift (Mono only)
Bridgeable (All 2 and 4-Channel)
Simultaneous mono / stereo operation capability
FR4 PCB (High-Power Amplifier)
Heavy-duty heatsink
Oversized capacitor tanks
Adjustable input gain control
Adjustable Bass Boost
Line out jacks
Power / Protect LED indicators
Specifications WSM-M500.D
Mono Digital Amplifier		 WSM-M800.D
Mono Digital Amplifier		 WSM-M1000.D
Mono Digital Amplifier
Max Power 1000W x 1 1600W x 1 2000W x 1
RMS
Power Ratings		 220W x 1 (4Ω@14.4V<0.5%THD)
360W x 1 (2Ω@14.4V<1%THD)
500W x 1 (1Ω@14.4V<1%THD)		 355W x 1 (4Ω@14.4V<0.5%THD)
600W x 1 (2Ω@14.4V<1%THD)
880W x 1 (1Ω@14.4V<1%THD)		 450W x 1 (4Ω@14.4V<0.5%THD)
710W x 1 (2Ω@14.4V<1%THD)
1000W x 1 (1Ω@14.4V<1%THD)
T.H.D 4Ω<0.1%, 2Ω<0.15%, 1Ω<0.2% @100Hz 4Ω<0.1%, 2Ω<0.15%, 1Ω<0.2% @100Hz 4Ω<0.1%, 2Ω<0.15%, 1Ω<0.2% @100Hz
Signal to Noise >90dB >90dB >90dB
F.R. 15Hz~250Hz 15Hz~250Hz 15Hz~250Hz
High-Pass - - -
Low-Pass 35Hz~250Hz 35Hz~250Hz 35Hz~250Hz
Band-Pass - - -
Subsonic Filter 15Hz~35Hz 15Hz~35Hz 15Hz~35Hz
Bass Boost 0~10dB 0~10dB 0~10dB
Phase Shift 0°/180° 0°/180° 0°/180°
FR4 PCB √ √ √
Input Sensitivity 0.2~9V 0.2~9V 0.2~9V
Fuses Rating 25A x 2 80A x 1 40A x 2
Heat Sink (L*W*H) 232*230*49mm 332*230*49mm 332*230*49mm
N.W. 4.0Kg 5.2Kg 5.2Kg
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Specifications WSM-2120A.D
2 Channel Digital Amplifier		 WSM-4120A.D
4 Channel Digital Amplifier		  
Max Power 240W x 2 240W x 4  
RMS
Power Ratings		 60W x 2 (4Ω@14.4V<0.5%THD)
90W x 2 (2Ω@14.4V<1%THD)
180W x 1 (4Ω@14.4V<1%THD)		 60W x4 (4Ω@14.4V<0.5%THD)
90W x 4 (2Ω@14.4V<1%THD)
60W x 2 + 180W x 1 (4Ω@14.4V<1%THD)		  
T.H.D 4Ω<0.1%, 2Ω<0.15% @1KHz 4Ω<0.1%, 2Ω<0.15% @1KHz  
Signal to Noise >90dB >90dB  
F.R. 20Hz~20KHz 20Hz~20KHz  
High-Pass 40Hz~1.2KHz 40Hz~1.2KHz  
Low-Pass 50Hz~250Hz 50Hz~250Hz  
Band-Pass - -  
Subsonic Filter - -  
Bass Boost 0~12dB 0~12dB  
Phase Shift - -  
FR4 PCB √ √  
Input Sensitivity 0.2~10V 0.2~10V  
Fuses Rating 30A 25A x 2  
Heat Sink (L*W*H) 212*230*49mm 232*230*49mm  
N.W. 2.6Kg 3.6Kg  
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