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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WS-PI150 ( Click for Large Photo )
WS-PI300 ( Click for Large Photo )
  Description   ÐÔÄܼò½é
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
WSD-PI140 WSE-PI140