ITEM NAME:2X(Tda7498 2 Channel 2X100W Dc 8~32V Digital Stereo Power Amplifier Board I3B4) 2X(Tda7498 2 Channel 2X100W Dc 8~32V Digital Stereo Power Amplifier Board I3B4) 2X(Maximum Power Per Channel: 131-200W Model Number: TDA7498 Channels: 2 (2.0) Package: No Material: metal + pc color:blue Power Voltage: DC 8~32 V Number of Channels: Dual-channel Stereo PCB Board Size(L * W): 75 x 50 mm Size(L * W * H):75 x 55 x 28 mm Features: 1.Two-channel stereo, 2 * 100 W power output. 2.Sound quality is very good and it can drive 4/6/8 ohm speakers. Package Included: 1 * Digital Amplifier Board)