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
High-efficiency MOSFET power supply
Heavy-duty heatsink
All / Lowpass electronic X-overs with adjustable frequency
Die casting terminal block and Gold / Nickel plated RCA jacks
High / Low level inputs
Adjustable input gain control
Short circuit / thermal / overload / DC offset protection
Soft delayed remote turn-on / off circuitry
Oversized capacitor tanks
Adjustable Bass Boost
Fully 2Ω stable operation
Power / Protect LED indicators
Specifications WSA-1200
Mono Subwoofer Amplifier		 WSA-1300
Mono Subwoofer Amplifier		 WSA-3618
3 Channel Subwoofer Amplifier
Max Power 400W*1 600W*1 720W*1 + 240W*2
RMS Power Ratings 100W*1 (4¦¸@14.4V<0.5%THD) 150W*1 (4Ω@14.4V<0.5%THD) 180W*1 + 60W*2 (4Ω@14.4V<0.5%THD)
THD 4Ω<0.1%, <0.15% @100Hz 4Ω<0.1%, <0.15% @100Hz 4Ω<0.1%, <0.15% @1KHz
Signal to noise >90dB >90dB >90dB
F.R.(±3dB) 20Hz~250KHz 20Hz~250KHz 20Hz~22KHz
Low pass 20Hz~200Hz 20Hz~200Hz 20Hz~200Hz
Bass boost 0~18dB 0~18dB 0~18dB
Crossover slope 12dB 12dB 12dB
Input sensitivity 0.1-5V 0.1-5V 0.1-5V
Input impedance 100Ω / 20KΩ 100Ω / 20KΩ 100Ω / 20KΩ
Fuses rating 20A 30A 25A*2
Heat Sink (L*W*H) 250*165*19mm 250*165*19mm 250*165*19mm
N.W. 2.3Kg 2.3Kg 3.3Kg
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