B-Stock, RME ADI-2 Pro FS R Black Edition; High-End USB AD/DA Converter & headphone amplifier; sample frequencies up to 768 kHz (PCM); DSD-playbackand recording; 2.5 dB analog level reserve and 4 dB digital headroom; Sample Rate Converter; overload protection for headphones; balanced mode for headphones; binaural crossfeed to emulate speaker playback; Bass / Treble / Loudness function; adjustable filters for AD- and DA-converters; high-performance DSP; 5-band parametric EQ and Low Cut, separately adjustable for the left and right channel; level meter, power display, status display, volume/gain meter; 30-Band analyzer based on the DIGICheck technology; channel status display; professional features: phase invert, width, mono, M/S processing; hi-quality electronic switches for reference level; load/store for all settings; audiophile PCB- and circuit design with selected components; FPGA based Firmware - Update by USB; reduced self-jitter by SteadyClock FS, based on femtosecond quartz; AutoDark mode - switches off illumination of display, buttons and knobs (standby button stays lit); Connectors: 2x Line-Input Combo XLR/Jack 6.3 mm; 2x Line-Out XLR, 2x Line-Out 6.3 mm Jack, S/PDIF I/O coaxl, AES/EBU I/O XLR, ADAT I/O, USB 2.0; incl. Remote Control, breakout cable for AES/EBU and SPDIF coax and external (lockable) power supply; Housing: 9,5" / 1 U, B-Stock with full warranty, may have slight traces of use