Excellent condition Firmware 1.8.2 – July 31st, 2015 - User's Manual v.2.1 Global Reference Quality Digital - Analog Converter DAC with FireWire & universal voltage Pro & semi-Pro, multiple award DAC, for both computer playback and mastering/ professional audio monitoring 1. one of the rare DACs to offer FireWire 400/800, superior to USB 2. converts digital audio to computer FW/USB stream (also rare). 3. High Current, High Slew Rate ultra low distortion 500mA headphone amp - excellent insight and power, drives demanding phones (used with professional AKG K701, K812, DF240) 4. Studio-oriented neutral transparency, ideal for monitoring 5. Works with Apple Remote 6. Original packaging – Conversion: 32bit, PCM up to 192k, 64xDSD, 128xDSD. – Dynamic Range: 128dB (ESS Sabre chipset in 8 mono to 2 stereo config.) THD DAC: -110dB. – Digital Audio Inputs and Outputs: Firewire 400/800 (up to 192k/DSD async), USB2.0 (up to 192k/DSD async), USB1.1 (up to 96k, sync,driverless). – Digital Audio Inputs: SPDIF, AES/EBU, Toslink all up to192k single wire. (64x and 128XDSD) – Clock: Internal Clock Generator (10ps jitter,) Wordclock In and Out, sync to digital audio input with JET (tm) PLL. Time Domain Jitter Eliminator in the DAC module. – Internal Async Hardware Upsampling- 16bit 44.1k etc. can be upsampled prior to conversion to 192k/24bit with clock jitter eliminated. – Transparent, 1dB stepped programmable analog attenuator, separate main out and headphones. Alternate digital attenuator. – Relay bypass of attenuator for direct DAC out. – A pair of unbalanced RCA analog inputs for preamp functionality (assignable to volume control) (In Preamp Version.) – High Current, High Slew Rate ultra low distortion 500mA hi-fi headphone amp. – Worldwide (user selectable) linear power supply. – Online downloadable firmware updates. – Ability to convert standard digital audio inputs into computer FireWire/USB input.

Manuals, tech specs and drivers: https://mytekdigital.com/hifi/products/stereo-192dsd-dac/