... power amplifier with transistor. Features are Input Gain, Ground Lift Switch to eliminatehum, Power LEDs, Channel 1 & 2 level, LED's ... Hz<0.1%8) Operation power voltage: with voltage changeover switch: 110V/230V9) Aluminum panel and handle10) XLR, 1/4 JACK ... overload.14) Ultra-light,ultra-low noise and ultra-efficient switch-mode power supply for noise-free audio, superior transient response and ...