Mini Digital 3W+3W Amplifier Board Usb Power Dual-Channel 2 Ch 5V Amplifier yh
4,97 €
Mini Digital 3W+3W Amplifier Board Dual-Channel 2 Ch 5V Amplifier Usb Power New. Efficient digital amplifier chip, Built-in standby electronic switch, built-in high-gain buffer amplifier, built-in short circuit protection.
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