MA-100A/150A/250A/300AMA-100USB/SD(MA-100A+USB+SDCARD)MA-150USB/SD(MA-150A+USB+SDCARD)MA-250USB/SD(MA-250A+USB+SDCARD)MA-300USB/SD(MA-300A+USB+SDCARD)
Power output:100W/150W/250W/300WOutput 1:4-16OHMSOutput 2:70VOutput 3:100V