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    Bluetooth Audio Amplifier Board, 2.1CH 50W x 2 +100W Subwoofer Power Amp with Treble and Bass Control,JR-TB21 Bluetooth5.0 and AUX Inputs, Stereo Digital AMP Module for DIY Home Speakers.

    • Bluetooth Audio Amplifier Board : JR-TB21 is a subwoofer audio amplifier board, with 50W+50W+100W Bluetooth 5.0 wireless connection, Bluetooth+AUX+USB audio input, 2.1 channel stereo output, just a little sound distortion. Note: When using AUX mode, please confirm that the Bluetooth connection of this module has been disconnected.
    • 2.1 Channel Power Amplifier Module : JR-TB21 audio power amplifier module with mini size 10 x10 x 2.2 cm /3.94 in*3.94 in*0.86 inch, but Powerful, Dual channel stereo output power 50W+50W+100W, suitable for 4-8 speakers, It is recommended to use 20-100W speakers for the best effect.
    • Bluetooth 5.0 Inputs: The Bluetooth power amplifier board with 3 kind of inputs: AUX and Bluetooth inputs, the upgrade large chips support Bluetooth 5.0, low latency, The range of audio devices (smartphones, tablets, laptops, etc.) with Bluetooth connectivity is 15m/49ft.
    • Treble and Bass Adjustment: This digital Amp board with independent treble and bass adjustment buttons,you can directly adjust the treble and bass through the module, without using the player or speaker.
    • Perfect Sound Quality Experience: The audio power subwoofer amplifier module with powerful chip, AM interference suppression function, shielding power inductance, low noise front stage operational amplifier, let you enjoy a more perfect sound quality experience.
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    Bluetooth Audio Amplifier Board
    Amplifier Board
    Audio Amplifier Board
    Amplifier Board
    2.1 Bluetooth Audio Amplifier Board
    2.1CH 50W x 2 +100W Subwoofer Power Amp

     Audio Amplifier Board

    Treble & Bass Adjustment

    You can try treble & bass control knob on the AMP module, to control your speakers. It is very simple and convenient to use,You can adjust the most comfortable volume that you want.

    Bluetooth Audio Amplifier Board

    Extra-large Heat Sink

    The extra-large heat sink can provide good heat dissipation for the continuous high-power output of the AMP, thus preventing the chip from being burned.

    Amplifier Board

    Package Includes

    Bluetooth Power Amplifier Module * 1

    6mm Copper column & Steel nut & Screw mat * 4

    Acrylic shell * 5;Screw * 8;Knob * 1;DC Adaptor * 1;Heat Sink * 1

    Bluetooth Audio Amplifier Board
    Amplifier Board
    Audio Amplifier Board
    Amplifier Board
    2.1 Bluetooth Audio Amplifier Board
    2.1CH 50W x 2 +100W Subwoofer Power Amp

     Audio Amplifier Board

    Treble & Bass Adjustment

    You can try treble & bass control knob on the AMP module, to control your speakers. It is very simple and convenient to use,You can adjust the most comfortable volume that you want.

    Bluetooth Audio Amplifier Board

    Extra-large Heat Sink

    The extra-large heat sink can provide good heat dissipation for the continuous high-power output of the AMP, thus preventing the chip from being burned.

    Amplifier Board

    Package Includes

    Bluetooth Power Amplifier Module * 1

    6mm Copper column & Steel nut & Screw mat * 4

    Acrylic shell * 5;Screw * 8;Knob * 1;DC Adaptor * 1;Heat Sink * 1

    Bluetooth Audio Amplifier Board, 2.1CH 50W x 2 +100W Subwoofer Power Amp with Treble and Bass Control, JR-TB21 Bluetooth 5.0 and AUX Inputs, Stereo Digital AMP Module for DIY Home Speakers.

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