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The ST-A1. Android unit Power Amplifier.





Zapco has a reputation for sound reproduction and quality that is unsurpassed. It is our dedication to sonic purity and our passion for performance that built Zapco's reputation.

This small plug & play Class-AB amplifier can reproduce the musical signal with 70 watts maximum per channel. Combined with an Android source that have from 15 to 25 watts maximum per channel, it can give a higher sound level, a higher acoustic quality due to the internal equalizations and an RCA stereo output for an amplified subwoofer.

Features and Functions


  • Android Unit Class-AB Power Amplifier

  • Plug & Play

  • 3-Bands Equalization

  • 4 Balanced High-Level Inputs

  • High-Quality OP

  • 2 RCA Outputs for Amplified Subwoofer

  • Over-Current and Over-Voltage Protection

  • High Temperature Protection





  • Power @ 4Ω: 4 x 35 watts

  • Power Max: 4 x 70 watts

  • THD @ Rated Power  < 0.1%

  • Signal to Noise Ratio > 85dB

  • Channel separation > 70dB

  • Frequency Response 20Hz to 20KHz

  • Dimensions in mm: 103(W) x 45(H) x 151(L) 

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