Pure Class A, 100% discrete design, Smooth musical detail and sonic excellence, Minimum audio signal path, Dual mono operation, Transparent active and passive filter design, High headroom +30dB Very low noise -94dB, Fully balanced inputs and outputs, DC coupled, no transformers in audio path, Switched frequencies in high and low bands, Mid bands use X10 frequency for extended range, Wide bandwidth -3dB 1Hz to 450kHz, Low distortion less than 0.5% THD and IMD, All signal routing with sealed silver relays Conductive plastic potentiometers for low noise, External 150W toroidal power supply 100% discrete power supplies for audio path, Long lasting, stainless steel hardware.