Descriptions: 100%Brand New and High Quality TDA7498 is a 100 w + 100 w class D audio amplifier.The IC chip adopts the single power supply, mainly used in home theater and active speakers.And naked cooling pad up TDA7498 adopted EPU hyper-threading encapsulation. The input voltage: DC14-32 v Output power:100W*2 Output resistance:4-8ohm Line type:D types Chip:TDA7498 Harmonic distortion:Po=1W/0.05% Frequency response range:18-100KHZ Switching frequency:360KHz Signal to noise ratio:110db Size:96*64*25mm Main features: Output power:100w+100w (VCC+32V,RL=4ohm,THD=10% Wide:14-30v signal power supply Level 4 gain optional:(21.6dB,27.6dB,31.1dB,33.1dB) Using differential input to reduce common-mode noise significantly Has the pattern of the fault and silent mode With intelligent protection function Have overheating protection function Packaging 1pcs TDA7498 high-power Digital amplifier board 2*100w Car amplifier DC 14 -34 v