The Russound MCA-88X Digital multi-zone controller amplifier streamer provides up to eight zones of distributed audio. Scalable to 48 zones, the MCA-88X provides numerous options to tailor every room in residential or light commercial distributed audio systems. A variety of input options have been engineered into the MCA-88X to connect up to 7 individual sources in addition to its built-in XStream streamer. AV source input options include up to 7 Analog, with up to 3 Digital (up to 3 coax, or 2 coax and 1 optical), including 1 paging and 1 Bluetooth extender connection. The Bluetooth connection allows the installation of the MCA-88X in an equipment rack while remotely locating the optional Russound BTC-1X Bluetooth receiver up to 300’ away in or near the room where the Bluetooth source will be located. Additionally, the BTC-1X improves audio quality through the high performance aptX audio codec. An RNET link allows for metadata transmission, linking multiple MCA controllers and connection to all Russound RNE Smart Sources like the ST1 AM/FM external tuner.