More than 15 years manufacturing experience for car & subwoofer amplifier, more than 8 years experience for marine amplifier, more than 12 years manufacturing experience for motorcycle & ATV & marine audio. the earliest & biggest manufacturer of car & marine amplifiers in China, the strongest R&D in all car amplifier manufacturers.
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Description
IC-power
High / low level inputs
Short circuit / thermal / overload / DC offset protection
FR-4 PCB (WSD-4060 only)
Variable input gain control
Gold/nickel plated connector
Soft delayed remote turn-on / off circuitry
Specifications WSD-2050 WSD-4045 WSD-4060  
Max Power 50W x2 45W x4 60W x4  
RMS Power Ratings
@14.4V, =10% THD+N
25W x2 (4Ω) 22W x4 (4Ω) 30W x4 (4Ω)  
T.H.D. 4Ω<0.1% @1KHz 4Ω<0.1% @1KHz 4Ω<0.1% @1KHz  
Signal to noise (A weighted) >80dB >80dB >80dB  
Channel separation >50dB >50dB >50dB  
Frequency response (±3dB) 15Hz~30KHz 15Hz~30KHz 15Hz~30KHz  
High/low level input sensitivity 0.25V~10V 0.25V~10V 0.25V~10V  
High/low level input impedance 100Ω / 10KΩ 100Ω / 10KΩ 100Ω / 10KΩ  
Fuses rating 5A x 1 15A x 1 15A x 1  
Heatsink size (LxWxH) (mm) 130x180x48 180x180x48 130x180x48  
Heatsink size (LxWxH) ( inch) 5.1x7.1x1.9 7.1x7.1x1.9 5.1x7.1x1.9  
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