Parasound Halo A31 Three-Channel Power Amplifier

Features 250 watts x 3 @ 8 Ohms / 400 watts x 3 @ 4 Ohms Adjustable gain for up to +6db over THX Reference level Unbalanced RCA and balanced XLR inputs Circuitry designed by legendary John Curl High bias class A/AB operation Direct coupled (no capacitors or inductors in signal path) Complementary MOSFET driver stage and JFET input stage 24 beta-matched 15 amp, 60 MHz bipolar output transistors 1.5 kVA encapsulated toroid power transformer with independent secondary windings for each channel 98,400 µF power supply filter capacitance DC Servo and relay protection circuits AC present, channel status, high temperature indicators Heavy-duty 24k gold-plated 5-way speaker terminals THX Ultra2 certified Auto turn-on by 12v trigger or audio signal 4u Chassis, carry handles, rack mounting adapter included