The 40-DCT-1-E converts a digital audio signal source from a digital coax RCA jack or optical toslink jack and converts to an analog stereo audio signal L+R RCA output jacks. Compact size and easy to install. Calrad are building and modifying engineered electronic products parts. Quality management and control is the key to keeping our products reliably working out in the field. All electronic products and power supplies are tested and then approved for the user safety and protection. We had created a unique set of accessories with high-quality control standard like connectors, cable, amplifier, splitter, and adapters. FeaturesDigital to Stereo Audio Converter, Compact SizeConverts Digital Audio to Analog Audio24-bit S/PDIF incoming bit stream on left and right channelsSpecificationsInput: Coaxial RCA Jack and Toslink PortOutput: Coaxial RCA Jack and Toslink PortCoaxial RCA Input Impedance: 75 ohmsDC Input Connector: 5.5mm x 2.1mm x 9.5mmDC Input Voltage: 12VDimension: 2'' H x 4.25'' W x 5.5'' LWeight: 0.4 lbs