SPECIFICATIONS   CONVERSION: PCM up to 384k, 32bit, MQA ®, native DSD up to DSD256, DXD, 130dB Dynamic Range. MQA Hi-Res DECODER: built in certified hardware MQA ® decoder DIGITAL INPUTS: USB2 Class2 (OSX, Linux driverless, all formats), AES/EBU (PCM up to 384k, up to DSD128 DOP), 3x S/PDIF (PCM up to 192k, up to DSD128 DoP), Toslink, SDIF3 DSD up to DSD256 ANALOG INPUTS: RCA Line In switchable to Phono with Optional Phono Card insterted, second pair of RCA Line In, third pair XLR Balanced Line In. Analog inputs are router through minimalpath state of the art analog attenuator directly to analog and headphone outputs. ANALOG OUTPUTS: RCA, balanced XLR, simultaneous, 50 Ohm impedance HEADPHONE OUTPUTS: Reference High Current, High transient Headphone Amp, 500mA, 6 Watts, 0 Ohm out impedance. Dual headphone jacks, designed to drive demanding headphones. Balanced operation w/optional Mytek adapter. BUILT-IN ATTENUATOR: Choice of 1dB step analog attenuator for main out and headphones, 1dB step digital 32bit attenuator or purist relay bypass. CLOCK: “Mytek Femtoclock Generator (tm)” 0.82ps internal jitter, Wordclock Input and Output (allows stacking multiple units for multichannel operation, includes mch DSD) AUDIO RECORDING FUNCTION FOR DIGITAL SOURCES: All digital inputs can be routed into computer via USB2. Allows connection of external digital sources such as CD Players and digitizing ADCs.