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Zapco ST-A1 4/3/2 Channel Class A/B Android Unit Power Amplifier (RMS: 35W*4 (4Ω))

Zapco ST-A1 4/3/2 Channel Class A/B Android Unit Power Amplifier (RMS: 35W*4 (4Ω))

Regular price ₹ 4,699.00
Regular price ₹ 9,999.00 Sale price ₹ 4,699.00
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Type: Class A/B Amplifier
Channel Output: 4/3/2 Channels
Total RMS Wattage: 140
Impedance: 4 ohms
Warranty: 1 Year Brand Warranty

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 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 two to the internal equalisations and an RCA stereo output for an a a subwoofer.


  • Frequency response: 20Hz~20KHz (±3dB)
  • Signal-to-noise ratio: 85 dB (unweighted)
  • Channel’s separation: 70 dB (unweighted)
  • 4 balanced high level inputs, high quality OP
  • 2 RCA outputs for subwoofer with amplifier’s adapted impedance
  • 3-Band Equalization: BASS, MID, HIGH (±12dB)
  • Over-current and over-voltage protection
  • High temperature protection


  • Power 4th: 4 x 35 watts
  • Power Max: 4 x 70 watts
  • THD Rated Power: 0.1%
  • Signal to Noise Ratio: 85
  • Channel separation: 70dB
  • Frequency Response 20 Hz to 20KHz
  • Dimensions in mm: 15 (H) x 151(L)

What's in the BOX

  • 1* Amplifier
  • 1* Wiring Harness
  • 4* Screws
  • 1* User Manual
  • 1* Warranty Card
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