Sell 【 Ready Stock】yal HIFI 5.0 Bluetooth Amplifier Board Wireless Audio Digital Power TPA3116D2 50W x best price

100% brand new and high quality Features: Made of high quality materials, high performance, high price, high quality power amplifier for HIFI music. 5.0 Bluetooth version has high fidelity and two-channel stereo sound quality, with higher efficiency and farther transmission distance. As a Class D amplifier IC from TI that has very high index parameters. The modulation frequency can be up to 1.2MHZ, and the high power output distortion is less than 0.1%. With AUX and Bluetooth two audio input methods, 2 in 1. It adopts copper DC connector and fence type terminal. It can withstand large current, no heat, no damage to the wire, good wiring and short circuit. With a filter inductor, the sound is round and clear. Free DC head lead, compatible with the input power interface of this product, even if you don't have a DC head adapter or battery, it can be easily wired. It also comes with a volume adjustment function, which rotates the chirp potentiometer clockwise to zoom in and counterclockwise to decrease. 2 optional types can be selected, great for DIY speakers. Specification: Model: ZK-502C Bluetooth version: 5.0 Material: Fiber glass board and electronic component Size: app.82 x 50 x 18mm/3.23x 1.97 x 0.71in Optional types: A(With shell); B(Without shell) Clip solution; TPA3116D2(with AM interference supperssion) With or without filter: Yes(filtered sound is more round and clear) Supply voltage: 5-27V Speaker resistance: 4-16Ω Speaker power: 30-200W Adaptation supply voltage: 5-27V(optional 9/12/15/18/24V adapter, high power recommended high voltage) Adapter speaker: 30-200W, 4Ω，8Ω Number of channels: Left and right stereo(stereo) Bluetooth transmission distance: 15m(without occlusion) Protection mechanism: Overvoltage, undervoltage, overheating, DC detection, short circuit protection Color: As picture shown Quantity: 1 Pc Package includes: A: 1 x Bluetooth Amplifier Board 1 x Shell 1 x DC Head Line 1 x Heat Sink(with 3M glue) B: 1 x Bluetooth Amplifier Board 1 x DC Head Line 1 x Heat Sink(with 3M glue)