ZK TB21 Bluetooth 5.0 Stereo Audio Receiver Amplifier Board 2.1Channel Mini Wireless Digital AUX Amp Module Bass and Treble Control for Home Passive Speakers Subwoofer TPA3116D2 50Wx2+100W
- CHIP: TPA3116D2 (with AM interference suppression function), 2.1 CH stereo output power 50watt * 2+100watt, working voltage range DC12-24V, for 4-8Ω, 50watt-300watt passive speakers.
- Treble & Bass and subwoofer control: With subwoofer volume control, L and R channels Treble & Bass independent control. Built-in low pass filter for subwoofers with sub frequency control, small simple compact design but practical and powerful.
- Bluetooth and AUX Inputs: almost compatible with all home audio devices such as smartphones, iPhone, iPad, MP3, PC, CD players, etc. Enjoy surround acoustic audio with the speaker.
- Ensure Safety: This Bluetooth amplifier board has a bottom plate and a top plate, support reverse connection protection, Over-voltage and Under-voltage Protection, Over-heat protection, Short-circuit protection.
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