Fosi Audio 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

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Fosi Audio ZK-TB21 Bluetooth 5.0 Stereo Audio Receiver Amplifier Board

[Upgraded Version]Fosi Audio TB10D 600W TPA3255 Power Amplifier

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Fosi Audio was founded with a simple goal: Build products that sound great and make people want to listen to music every day. We design, manufacture, and sell many Hi-Fi audio products on the market. We pursue your perfect music journey. Enjoy Hi-Fi music with Fosi Audio audio products NOW!

ZK-TB21 Bluetooth 5.0 Mini Power Amplifier Board

Parameter:

Chip: TPA3116D2

Input Mode: Bluetooth / 3.5mm AUX

Work Voltage: DC 12V-24V

Channel: 2.1 CH Stereo Output

Bluetooth Version: Bluetooth 5.0

Bluetooth Transmission Distance: 50 Ft

MAX Power Output: 50W*2（R&L）+100W（Subwoofer）

Terminating Impedance: 4 - 8 Ohm

Match Speaker: 50 - 300 watt

Work Humidity: 0%~95%RH


With Volume Knob and Treble & Bass adjustment, meet your needs and make you feel like in a movie theater.	Adopt the TPA3116D2 amplifier chip, the distortion is less than 0.1% even at high power output for a long time.	Using a copper-nail mat layered bottom plate, the heat dissipation effect is better. Ensure safe use.


Large-area heat dissipation system, and high-quality power module, will not overheat and stop work at long-time high output.	Full-Frequency and Sub Bass Switchable. Specially designed for Subwoofer Audiophile.	Easy Installation. The illustration of each interface is printed on the protective plate, making it easy to install even without instructions.