Fosi Audio ZK1002 Bluetooth 5.0 Amplifier Board 2 Channel Mini Wireless AUX Amp Module TPA3116D2 100W x 2

【HIFI Sound】Adopt TPA3116D2(with AM interference suppression function) chips, with excellent sound quality. It ensures that even with high power operation for a long time, THD is less than 0.1%. 【Mini but Powerful】2 CH stereo amplifier output power 100watt * 2, working voltage range DC5-27V, for 4-8Ω, 50watt-300watt passive speakers. 【Two Input Ways】Support 3.5mm wired input and Bluetooth 5.0 input. Bluetooth signal distance up to 49ft, best for your DIY passive speakers 【Continuous & Stable】5 * 470uF high-quality capacitor brings a stable output. A large-area heat dissipation system, and high-quality power module, will not overheat and stop work at long-time high output. 【Ensure Safety】This Bluetooth amplifier board has a bottom plate and a top plate, supports reverse connection protection, Over-voltage protection, under-voltage protection, Over-heat protection, Short-circuit protection. ZK-Board User Manual   If you want treble and bass adjustment function, you can