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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Subwoofer amplifiers
Full/low pass electronic X-overs with variable frequency
Variable input gain control
Variable bass boost
High-efficiency MOSFET power supply
Barrier strip terminals & Gold / nickel plated RCA jacks
Short circuit / thermal / overload / DC offset protection
Fully 2Ω stable operation
Heavy-duty heatsink
High / low level inputs
Soft delayed remote turn-on / off circuitry
Power / Protect LED indicators
Specifications SA-1200 SA-1300    
Max Power 300W x1 450W x1    
RMS Power Ratings
@14.4V, =1% THD+N
150W x1 (2Ω)
100W x1 (4Ω)
225W x1 (2Ω)
150W x1 (4Ω)
T.H.D. 4Ω<0.1%, 2Ω<0.15% @100Hz 4Ω<0.1%, 2Ω<0.15% @100Hz    
Signal to noise (A weighted) >90dB >90dB    
Channel separation / /    
Frequency response (±3dB) 10Hz~500Hz 10Hz~500Hz    
Low pass crossover frequency 20Hz~200Hz 20Hz~200Hz    
High pass crossover frequency / /    
Bass boost 16dB 16dB    
Crossover slope 12dB/Oct 12dB/Oct    
High/low level input sensitivity 0.2V~5V 0.2V~5V    
High/low level input impedance 100Ω / 10KΩ 100Ω / 10KΩ    
Line output / /    
Fuses rating 25A x 1 30A x 1    
Heatsink size (LxWxH) (mm) 250x165x58 250x165x58    
Heatsink size (LxWxH) ( inch) 9.8x6.5x2.3 9.8x6.5x2.3    
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