Product selling points: 1. With a wide voltage input of DC8-24V, it can withstand high currents without generating heat or damaging wires2. Supports multiple audio inputs such as Bluetooth, AUX, USB flash drive, and TF card, providing clear and realistic sound effects3. 2.0 Dual channel: Stereo dual channel output 30W+30W, using high-quality filtering inductors, the sound is full and clear4. Adopting Bluetooth 5.0 technology to stable connection and low latency transmission, with stronger compatibility and more convenient use5. Wide application range: suitable for home amplifiers, speakers, audio systems, speakers and other fields, meeting different customer needsMaterial: PCColor: As shownProduct parameters:Power supply: DC 8-24V(DC5.5 x 2.1)Bluetooth version: 5.0Audio input: Bluetooth/AUX/USB drive/TF cardAudio channel: 2.0Product size: 80.5 x 67 x 35mmDue to different product batches, the printed words may be different, which not affect the usePackage Contents:1 x Amplifier boardOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.