Product Name: TDA7498E power amplifier board     Chip Type: TDA7498E     Input voltage: DC12-32V     Output power: 160WX2     Channel: two-channel stereo     Output impedance: 4-8 ohms     Frequency response: 20Hz-20KHz     Protection function: short circuit overheating     Heat dissipation method: temperature control air cooling     Features: BTL mode, adjustable gain     Note:     Output power: 160W+160W (VCC=32V RL=4 ohms THD=10%)     Output power: 200W VCC=32V RL=3 ohms THD=10% BTL mono output 200W)     Colour:black     Material:metal + PC     Size:120*78*21.6mm     Package Contents:     1* TDA7498E high power digital power amplifier 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.