ITEM NAME:XH-M543 High Power Digital Amplifier Board TPA3116D2 Audio Amplifier Modu PBL Descriptio n Specifications: Product Name: TPA3116D2 Digital Playback Board Product Model: XH-M542 Chip Type: TPA3116D2 Supply Constant Voltage: Dc12-26v Output Power: 100W SNR: 100 DB Channel Number: Mono Channel Colour: Blue And Black Size: 79*54*16mm Package Included: 1 * Digital Amplifier Board We offer you what you need! XH-M543 High Power Digital Amplifier Board TPA3116D2 Audio Amplifier Module.Chip Type: TPA3116D2. 1 Digital Amplifier Board. Output Power: 100W. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. We'd like to settle any problem in a friendly manner.