TDA7498 Class D 2X100W Dual Channel Audio Stereo Digital Amplifier Board Amplifier chip: TDA7498 (TDA7498 is 2X100W chip, TDA7498L is 2X80W chip) 8 ohm speakers, input voltage 34V DC Output power 80W +80 W (dual) Operating voltage: 15 ~ 34VDC input reverse polarity protection (generally recommended voltage 24V) Efficiency: 90%
