Daakro ZK-HT21 2.1Channel TDA7498E Bluetooth Digital Power Amplifier Module 160WX2 220W

1: Power amplifier chip: TDA7498E 2: Protection mechanism: anti-reverse connection, undervoltage, overheating, overcurrent, short circuit protection 3: Wide range of applications 4: long life ultra-silent fan (blocking rotation does not burn, no noise) 5: Simple to use, easy to understand