Product Name: Bluetooth amplifier AMP Chip: Professional Chip Max Output Power: 100W+100W Power Supply: DC5-24V Channels: 2.1 Working Type: Class D Audio Input: AUX / Bluetooth 5.0 Model:XY-T100L colour:Black Material:plastic size:93 x 65 x 25mm Package Contents: 1 x Amplifier Board Only the above package content, other products are not included. Note: Light 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.