Symmetrical Pure Class A design, two channels, Microphone and hi-Z instrument inputs, Gain switched 4dB steps plus +/- 3dB fine output trim, electable microphone input impedance matching, Low noise -126dB EIN, Ultra high quality, low-ratio, balanced input transformer, Balanced, high-current Class A output to +36dB, Large illuminated analog VU meters and twin peak LED\'s, Regulated phantom power supply +48v, Input polarity phase reverse, High headroom +36dB input before overload, Input -20dB pad for high level signals, Sealed silver relays for all signal routing, External AC 150w toroidal power chassis, Fully discrete Class A regulated audio power supplies, Deep, musical sound-stage, transparent amplification.