ITEM NAME:TPA3116D2 DC12-26V 100W Mono Channel Digital Power Audio Amplifier XH-M542 Product Description Description: Specification: Supply Voltage: DC12-26V Input current: over 3A Output power: maximum 100W SNR: 100 dB Channel Number: Mono Channel Product size: 80*55*16mm/3.14*2.16*0.62'' Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand. Included: 1 X TPA3116D2 Digital Power Audio Amplifier Board.Included: 1 X TPA3116D2 Digital Power Audio Amplifier Board. Output power: maximum 100W. Channel Number: Mono Channel. Input current: over 3A. If item is defective after 3 months, you can still send it back to us.