TDA7498 digital power amplifier board, with two-channel, high-power, high-fidelity features. The power supply voltage is DC12~32V, and the maximum power is 100W*2. Dual volume adjustment potentiometers can control the volume of the two channels respectively; the left potentiometer controls the left channel, and the right potentiometer controls the right channel. TDA7498 is a 100W+100W dual BTLD class audio amplifier, mainly used in home theater and active speakers. Single power supply 10-32V work, efficiency up to 90%. High-efficiency array heat sink: The heat emitted by the chip generates a "heat island effect" from the center through the staggered channels. The array-type heat dissipation structure helps to dredge the air convection, and the heat dissipation channel is more smooth and the heat dissipation efficiency is high. Product Type: Digital Power Amplifier Board Product Model: XH-A113 Input current: more than 4A Output impedance: 24V power supply 4 ohm-8 ohm, 32V power supply 8 ohm color:Blue Material:PCB size:92 x 69 x 18MM 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.