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    Zapco - ST-A1 - Plug&Play Android Amplifier Power 4 x 70W (Max)

    Zapco - ST-A1 - Plug&Play Android Amplifier Power 4 x 70W (Max)

    by Zapco
    Sold out
    $173.61 - $173.61
    $173.61
    $173.61 - $173.61
    $173.61

    The Zapco ST-A1 is a compact, plug & play 4-channel amplifier designed to easily integrate with Android head unitsor OEM systems, providing an instant power and clarity upgrade over stock audio. Delivering up to 70 watts per channel (max), it brings the signature Zapco sound quality to compact installations. With built-in crossovers, low distortion, and a simple harness connection, the ST-A1 is ideal for fast, clean, and efficient sound enhancement without modifying factory wiring.

    • Model: ST-A1
    • Type: Compact Plug & Play 4-Channel Amplifier for Android Head Units
    • Amplifier Class: Class AB Full-Range
    • Power Output:
     • 4 × 35 W RMS @ 4 Ω
     • 4 × 70 W Max @ 4 Ω
    • Total Harmonic Distortion (THD): < 0.05%
    • Frequency Response: 20 Hz – 20 kHz (±1 dB)
    • Signal-to-Noise Ratio: > 90 dB
    • Input Sensitivity: 0.5 V – 5 V (adjustable)
    • Input Type: High-level / RCA (auto-select)
    • Output Type: 4-channel amplified speaker output via plug & play harness
    • Crossover Filters:
     • High-Pass Filter: 60 Hz – 1.2 kHz (adjustable)
     • Low-Pass Filter: 50 Hz – 500 Hz (adjustable)
     • Slope: 12 dB/octave
    • Cooling System: Passive aluminum heatsink (fanless, silent operation)
    • Connections:
     • Plug & Play harness for Android or ISO-type head units
     • RCA line inputs and outputs
     • Remote turn-on lead
    • Power Supply: 12V DC automotive
    • Fuse Rating: 1 × 20 A
    • Dimensions: 6.3″ (L) × 3.9″ (W) × 1.4″ (H)
    • Weight: Approx. 1.1 lb (0.5 kg)