This product is full of materials featuring high performance high price specially for HIFI music to provide high quality power amplifier.Features:With AUX and bluetooth two audio input mode two-in-one;Potentiometer adjust the volume with a switch convenient to control the volume very suitable for DIY speaker.With filter inductance sound mellow and clear.Copper DC connector fence terminal withstand the current no heat no wire damage good wiring not easy to short circuit.DC head wire can be compatible with the input power interface of this product.Even if you don't have DC head adapter or battery it can also be connected conveniently.5.0 bluetooth version with higher transmission efficiency and longer transmission distance.Specifications:Product model: ZK-502cChip solution: TPA3116D2 (with AM interference suppression)With or without filter: YesAdapations supply voltage: 5~27VAdapter speaker: 30W~200WItem size: 118 * 82 * 50mm / 4.6 * 3.2 * 2.0inItem weight: 118g / 4.2ouncePackage size: 130 * 100 * 60mm / 5.1 * 3.9 * 2.4inPackage weight: 130g / 4.6ouncePacking list:1 * Power Amplifier Board
