Zapco ST-500XM II Mono Class D Amplifier

Brand: Zapco
Current Stock:
Availability: Ships in 1-3 days
Shipping Cost: $0.00 (Fixed Shipping Cost)



Compact Class D Subwoofer Amplifier


The Studio-X line of amplifiers from Zapco was designed specifically for today’s car audio market. The Studio-X compact chassis makes it an easy fit in any car and even in motorcycle fairings.

The square, low profile chassis also means it will be easy to trim out for a great looking installation so your system will look as awesome as it sounds. And speaking of sound...This is a Zapco amplifier and sound is what it’s all about. 


Features and Functions


  • Single channel, Class D,  Bass Amplifier

  • Compact chassis

  • Variable input gain control

  • Variable electronic crossover

  • Variable subsonic filter

  • Variable bass boost control

  • Variable center frequency for bass boost

  • Variable phase control

  • Strappable to use a pair of amps on a single voice coil

  • Dash mount remote gain control




  • Power @ 1Ω: 1 x 500 watts

  • THD @ Rated Power  < 0.2%THD

  • Power @ 2Ω: 1 x 300 watts

  • Power @ 4Ω: 1 x 200 watts

  • Signal to Noise Ratio > 85dB

  • THD + Noise < 0.2%

  • Efficiency > 85%

  • Frequency Response 10Hz to 200Hz ±1dB

  • Input Sensitivity .25v to 5v

  • Dimensions in mm: 160(W) x 52(H) x 179(L) Overall: 160(W) x 52(H) x 205(L)

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