ITEM NAME:XH-M548 Bluetooth dual channel 120W + 120W TPA3116D2 Bluetooth digital audi K8U2 XH-M548 Bluetooth dual channel 120W + 120W TPA3116D2 Bluetooth digital audi K8U2 Chip type: TPA3116D2 X 1 Input voltage: DC12-24V Output power: 2*120W The bluetooth module: BTM835/CSR835(4.0) transmission distance: more than 10 meter Output channel: 2 Size: 98*80*18mm colour: As shown Material: PC + metal Net weight: 81g Package Included: 1 * Assembly amp board Only the above package content, other products are not included. Note: Light shooting 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..Chip type: TPA3116D2 X 1. Output power: 2 120W. The bluetooth module: BTM835/CSR835(4.0). Output channel: 2. Net weight: 81g.