Home / ZK ST21 100W Sound Amplifier Board, 2.1 Channel Digital Module, High Power Output with Comprehensive Guard Mechanisms, Advanced BT Connectivity, Multiple Input Options
  • ZK ST21 100W Sound Amplifier Board, 2.1 Channel Digital Module, High Power Output with Comprehensive Guard Mechanisms, Advanced BT Connectivity, Multiple Input Options
  • ZK ST21 100W Sound Amplifier Board, 2.1 Channel Digital Module, High Power Output with Comprehensive Guard Mechanisms, Advanced BT Connectivity, Multiple Input Options
  • ZK ST21 100W Sound Amplifier Board, 2.1 Channel Digital Module, High Power Output with Comprehensive Guard Mechanisms, Advanced BT Connectivity, Multiple Input Options
  • ZK ST21 100W Sound Amplifier Board, 2.1 Channel Digital Module, High Power Output with Comprehensive Guard Mechanisms, Advanced BT Connectivity, Multiple Input Options
  • ZK ST21 100W Sound Amplifier Board, 2.1 Channel Digital Module, High Power Output with Comprehensive Guard Mechanisms, Advanced BT Connectivity, Multiple Input Options
  • ZK ST21 100W Sound Amplifier Board, 2.1 Channel Digital Module, High Power Output with Comprehensive Guard Mechanisms, Advanced BT Connectivity, Multiple Input Options
  • ZK ST21 100W Sound Amplifier Board, 2.1 Channel Digital Module, High Power Output with Comprehensive Guard Mechanisms, Advanced BT Connectivity, Multiple Input Options
  • ZK ST21 100W Sound Amplifier Board, 2.1 Channel Digital Module, High Power Output with Comprehensive Guard Mechanisms, Advanced BT Connectivity, Multiple Input Options
  • ZK ST21 100W Sound Amplifier Board, 2.1 Channel Digital Module, High Power Output with Comprehensive Guard Mechanisms, Advanced BT Connectivity, Multiple Input Options

ZK ST21 100W Sound Amplifier Board, 2.1 Channel Digital Module, High Power Output with Comprehensive Guard Mechanisms, Advanced BT Connectivity, Multiple Input Options

Comprehensive Guard Mechanisms: Under voltage, reverse polarity, over temperature protections ensure safe and durable operation in various environments.
Advanced Connectivity: Features a high-performance 5.1 chip for wireless music streaming up to 15 meters without compromising sound quality.
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  • Detail

    Item Type: Sound Power Amplifier Module
    Material: Copper, PCB
    Power Input: 12-30V DC, Recommended Voltage 24V-28V, Current Above 10A
    Maximum Power:
    Left or Right Channel, 105W at 30V, 4Ω; 55W at 30V, 8Ω
    Subwoofer, 208W at 30V, 2Ω, 105W at 30V, 4Ω
    The higher the voltage, the lower the resistor, the greater the output power.
    Speaker Compatibility: Left and right channels support 3-8 ohms, up to 100W speakers, Subwoofer supports 2-8 ohms, up to 200W speakers
    Chip: for Jerry 5.1, Transfer Distance 15M
    Input Method: BT, AUX, USB Flash Drive, Sound Card (USB flash drive not included)
    Channel Number: 2.1, Left Channel, Right Channel, Subwoofer
    Amplifier Chip: 2 TI Original TPA3221 Chips
    Guard Mechanism: Input Undervoltage, Input Reverse Connection, Overheat, Overcurrent, Short Circuit Gaurd
    Size: Approx. 10 x 10 x 2cm / 3.94 x 3.94 x 0.8in


    Package List:
    5 x Knob Caps
    1 x PCB Board
    1 x Adapter
    1 x

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