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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WS-PI150 ( Click for large photo )
WS-PI300 ( Click for large photo )
  Description   ܼ
Low voltage & overload protection Built-in fuse
Small profile, light weight, green sound High efficiency
Strong load compatibility & stability Quickly Response
Over-current & short-circuit protection Suitable for 12V DC vehicle
Specifications WSD-PI140 WSE-PI140
Input Voltage Range 10-15V DC 10-15V DC
Output voltage AC 110V/60Hz AC 110V/60Hz
Rated Power 140W 140W
Peak Power 280W 280W
Output wave form Modified sine wave Modified sine wave
Converting efficiency >90% >90%
No Load Current Draw <0.2A <0.2A
Low Voltage Shut Down At 10.0V At 10.0V
Over Temperature Shut Down Yes, Automatic Yes, Automatic
Overload Shut Down Yes, Automatic Yes, Automatic
Temperature protection 80°C 80°C
Fuse rating 25A 25A
Input and output short-circuit protection Yes, Automatic Yes, Automatic
Dimention (L×W×H) 180x180x48 mm 180x180x48 mm
N.W./G.W. 0.85kg/1.05kg 0.85kg/1.05kg