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Russound MCA-66 - Controller Amplifier The Russound MCA-66 Digital multi-zone controller amplifier delivers high-quality distributed audio for up to six zones, scalable to 36 zones. Ideal for residential and light commercial audio systems, it offers versatile input options and advanced control features for a customised audio experience in every room. Key Features 6 amplified zones at 20W per channel Fixed or variable line-level outputs for zones 1 and 2 Up to 6 stereo line-level inputs, 3 digital coaxial, and 1 optical input Supports Bluetooth® with optional BTC-1X receiver for high-quality wireless streaming RS-232 and IP controllable for seamless integration with home automation systems 6 routed IR outputs plus 1 global IR output Home Theatre 12V trigger input/output and global 12V trigger output Paging system support with dedicated 12V trigger input Expandable up to 36 zones via RNET link Ethernet enabled with Russound I/O (RIO) for IP-based control Compatible with Russound keypads, touchscreens, and the free My Russound App (iOS and Android) Rackmountable with included rack mount ears Two-year limited warranty Part of Russound Certified Installer Required Program Specifications Shipping Dimensions 20.8" (W) x 10.0" (H) x 16.9" (D) (52.7 x 25.4 x 42.9 cm) Shipping Weight 25.8 lbs (11.7 kg) Audio Outputs 6 speaker level outputs at 20W per channel (2 line level, fixed or variable selectable) Audio Source Inputs 6 stereo RCA line-level, 3 coaxial digital, 1 optical digital (maximum of 6 total inputs) Communication Ports USB (firmware update only), 1 Serial RS-232 (19.2 kHz baud rate), 1 Ethernet RJ-45 (10/100 Base T), 2 RJ-45 RNET Links In/Out Frequency Response 20Hz–20kHz ±1 dB at 1W output into 8 ohms Fuse Rating 100-120V/T3.15A 250V US and Canada (MCA-66) 220-240V/T1.25A 250V International (MCA-66i) Home Theatre Trigger Input In/Out, 12VDC (pass-through) IR Outputs 6 routed, 1 common Keypad Ports 6 detachable 4-pole connectors Paging Trigger Input, 12VDC Power Output 20W RMS into 8 ohms Power Supply 100-120 VAC, 60Hz (MCA-66) 220-240 VAC, 50Hz (MCA-66i) Signal to Noise Ratio 93 dB unweighted, 96 dB A-weighted Speaker Connections 6 detachable 4-pole connectors Total Harmonic Distortion Installation Note The Russound MCA-66 is part of the Russound Certified Installer Required Program and must be installed and configured by a Russound Certified Installer.