ZK-TB21 Digital Power Amplifier 2.1 Channel BT5.0 Board High Fidelity Surround Sound

 ZK-TB21 2x50W+100W 2.1 Channel Subwoofer Digital Power Amplifier Board AUX 12V 24V Audio Stereo Bluetooth-compatible 5.0 Bass Amplifier for Home Theater Sound System
 The Bluetooth-compatible audio power amplifier module has 2.1 channels and the maximum output power is 2X50W+100W (Subwoofer)
 It has two audio input modes, AUX and Bluetooth-compatible, and a two-in-one power amplifier board. Bluetooth-compatible5.0, higher transmission efficiency, longer transmission distance
 HIFI Stereo. A High Quality Dual Channel 2.1 Power Amplifier Board for HIFI Music
 It supports both AUX input and Bluetooth connection (BT5.0) for higher transmission efficiency and longer distances
 The integrated High Performance Double HT326C YA3110A power amplifier chip is a Class-D amplifier integrated circuit. The distortion of highpower output is less than 0.1%. Built in LC filter capacitor, making the human voice clearer.
 The transmission distance is longer, reaching up to 49 feet in outdoor environments. If your device does not have a Bluetooth compatible modules, you can also input audio signals through the 3.5mm headphone plug.
 Protections mechanism: The amplification board has overheating protections, overvoltage protections, undervoltage protections, and short-circuit protections