Check the listing for details. Russound BTC-2X Remote Bluetooth Transceiver. Condition: New. Listed at 279.00 USD. Product highlightsadds Bluetooth streaming to any amplifier or receiver stream music from your phone, tablet, computer, or other Bluetooth-enabled device expanded app control when used with the Russound MCA-66 or MCA-88 multi-zone controller/amplifier 3.5mm stereo analog output allows connection to an amplifier or receiver (cable adapter may be required; not included) Ethernet output for connecting directly to Russound MCA-66 or MCA-88 controller/amps remote pairing input/output for attaching a contact closure on a third-party control system like Control4, RTI, Elan, or others 5V power cable input (power supply included) keyhole slots for wall-mounting 3-3/8"W x 1-1/8"H x 4-3/16"D (including cables) weight: 0.3 lbs. warranty: 2 years What's in the boxBTC-2X Bluetooth transceiver 6.5' USB Cable (type-A to micro-B) AC/USB Power supply (5VDC/2A output) with attached U.S. outlet adapter 3 Additional outlet adapters (UK/EU/AUS) 2-Pin Euroblock connector Installation guide About this itemWritten by Crutchfield's Ned O.A universal Bluetooth adapter Russound's BTC-2X transceiver adds Bluetooth connectivity to any audio system with an analog aux input. Simply connect this unit to your receiver or amplifier using the stereo analog 3.5mm output (cable adapter may be required; not included) and you're ready to stream clear, strong Bluetooth 5.1 audio from your phone, tablet, or computer. Extra flexibility with Russound distributed audio systems If you're using a Russound MCA-66 or MCA-88 multi-zone controller and amplifier, then you can use BTC-2Xs to add as many as eight Bluetooth inputs — one for each zone in your Russound distributed audio system. You can also use the Russound app for playback control.