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Main image of 2.1 Channel Audio Power Amplifier Board, 220W×2+350W Subwoofer Bluetooth Digital Amplifier Module with Treble and Bass Control for DIY Speakers-AS21

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2.1 Channel Audio Power Amplifier Board, 220W×2+350W Subwoofer Bluetooth Digital Amplifier Module with Treble and Bass Control for DIY Speakers-AS21

2.1 Channel Audio Power Amplifier Board : 3-in-1 multi-function bluetooth digital amplifier module integrates AUX, Bluetooth and USB input methods, allowing you to connect a variety of audio sources as you like. What's more convenient is that you can easily switch between input modes and songs through the dial button, and enjoy the fun of music to the fullest.
Powerful sound field experience: Integrated TPA3255 power amplifier chip, supports 2.1 channel configuration, including left channel, right channel and subwoofer output. The left and right channels provide an output power of 220W each, and the subwoofer reaches a maximum output of 350W, creating an immersive audio experience for you.
Wide power supply adaptation range: The power amplifier board is suitable for DC16~38V power supply, and also has undervoltage protection function when it is lower than 16V, and supports 38V power supply option. This means that you can choose a suitable power supply method according to your actual needs without worrying about power supply issues.
Compatible with a variety of speakers: the board is suitable for 30-220W, 3-8 speakers, so it can perfectly match with speakers of various specifications. Whether it is a small speaker or a large audio equipment, it can be coordinated with the power amplifier board.