XH-M542 mono 100W digital amplifier board TPA3116D2 digital audio amplifier board 12-26Vfrom 4 401 som/monthот 36,677 sum
XH-M543 high-power digital amplifier board domestic chip audio amplifier module class D Dual Channel 2 * 120W100+ monthly purchasefrom 6 150 som/monthот 51,253 sum