Quick view HELIX SDMI25 Smart Digital MOST Interface — MOST25 to Optical S/PDIF · · Interface Type: MOST25 to Optical S/PDIF Digital Output: 48 kHz / 24-bit In stock Save on the installation gear you'll need (4) MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $449.95 Add to Cart