Zapco ST-4XSQ

The ST-X amplifiers are the smaller lighter amps you need for today’s smaller lighter cars. With the ST-X amps you get all the power and sound quality you expect from Zapco. The Studio-X compact chassis makes it an easy fit in any car and even in motorcycle fairings (ST-2X). The Class A/B Zapco amplifiers for mids and highs have the same high quality components that made the C2K and Reference series amps the industry standard for sound quality.


Features and Functions: 

  • 4-Channel, Full Range, Class A/B
  • SQ Upgrades: Op-amps, Caps, Etc.
  • Tiffany style Panel Mount RCA’s
  • RCA and Speaker Level Inputs
  • Variable input gain control
  • Variable electronic crossover
  • Auto-on with Speaker level inputs
  • Compact chassis
  • Variable bass boost control
  • Dash-mount remote gain control

Zapco ST-4XSQ Amplifier Specs: 

  • Power @ 4 OHMS: 4 x 70 watts
  • THD @ Rated Power < 0.5%THD
  • Power @ 2 OHMS: 4 x 105 watts
  • Power Bridged @ 4 OHMS: 2 x 210W RMS
  • Signal to Noise Ratio > 90dB
  • THD + Noise < 0.2%
  • Channel Separation >60dB
  • Frequency Response 15Hz to 30KHz ±1dB
  • Input Sensitivity .25v to 5v
  • Dimensions in mm/in: 160/6.30(W) x 52/2.05(H) x 320/12.60(L)
Zapco ST-4XSQ
  • Item #: ST-4XSQ
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Price $227.99
Sale Price $189.99
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