An ultra-transparent 5.1 surround and stereo monitor controller featuring reference-grade 24-bit/192kHz D/A conversion and a dedicated desktop remote. Key Features Surround & Stereo Control: Precise level control, switching, and calibration for 5.1 surround and multiple stereo monitor setups. Integrated 24/192 DAC: Pristine digital-to-analog conversion with Grace Design's proprietary s-Lock™ ultra-low-jitter clocking. Comprehensive I/O Routing: Accepts 5.1 balanced analog, stereo balanced/unbalanced analog, plus AES3, S/PDIF, and optical digital inputs. Ergonomic Desktop Remote: Includes a full-featured hardware control surface with source selection, speaker switching, and a built-in talkback mic. Technical Specifications Feature Specification Type 5.1 Surround / Stereo Reference Monitor Controller Digital Inputs AES3 (XLR), S/PDIF (RCA/XLR), Optical (Toslink/ADAT) Analog Inputs 5.1 Surround (DB-25), Balanced Stereo (XLR), Unbalanced Stereo (RCA) Analog Outputs 5.1 Surround (DB-25), Stereo Main (XLR), Stereo Cue (XLR), 2 x Headphone (1/4") DAC Resolution Up to 24-bit / 192 kHz Clocking s-Lock™ Phase-Locked Loop Jitter Rejection Form Factor 2U Rackmount Mainframe + Desktop Remote Control Unit Mainframe Dimensions (H x W x D) 3.5" x 19" x 10.5" (89 mm x 483 mm x 267 mm) System Weight ~14.5 lbs (6.6 kg) total