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Russound MCA-66 Multi-zone controller and amplifier for Russound distributed audio systems

Item # 543MCA66

Delivers music to up to six different rooms, and it's compatible with your Amazon Alexa device for voice control.

Delivers music to up to six different rooms, and it's compatible with your Amazon Alexa device for voice control.

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6 questions - 6 answers

Item # 543MCA66

Low stock
$1,999.00

About the Russound MCA-66

Kramer Crane

Command central for your whole-house music system

Russound has combined their whole-house music expertise with smart technology to make controlling a distributed audio system easier than ever. Their new MCA-66 multi-zone controller and amplifier delivers music to up to six different rooms. And it's compatible with your Amazon Alexa device, providing you with a simple-but-powerful way of playing music using voice commands. Learn more about Alexa compatibility here

Command central for your whole-house music system

Russound has combined their whole-house music expertise with smart technology to make controlling a distributed audio system easier than ever. Their new MCA-66 multi-zone controller and amplifier delivers music to up to six different rooms. And it's compatible with your Amazon Alexa device, providing you with a simple-but-powerful way of playing music using voice commands. Learn more about Alexa compatibility here

Russound MCA-66 multi-zone controller and amplifier

The MCA-66 offers an array of input and output options for your multi-room audio system.

Built-in power for 12 speakers

The MCA-66 has six pairs of speaker outputs that each deliver 20 watts RMS per channel — plenty of power for moderate listening levels around your home. 

Lots of source connection options

A host of RCA, coaxial digital, and optical digital inputs let you connect as many as six different audio sources, like network music streamers, CD players, and satellite radio tuners. Play jazz in the upstairs bedroom, salsa in the kitchen, rock in the living room, and sports radio on the patio. Or play the same source simultaneously throughout the house. 

Control from your phone or tablet

The free MyRussound app lets you control the MCA-66 from your iOS® or Android™ device. The app lets you select content from compatible sources, adjust volume, and more. 

Expansion possibilities

Want to listen to your music in more than six rooms? By adding extra controller/amplifiers, keypads, and optional hardware, you can distribute music to up to 36 areas of your home. Contact our A/V Design group for free personalized help designing your multi-room audio system.

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Product highlights:

  • multi-zone controller and power amp for Russound multi-room audio systems
  • distributes music from six sources to up to six listening areas in your home
  • expandable up to 36 zones with additional controller/amplifiers
  • 6 RCA stereo inputs
  • 2 coaxial digital and 1 optical/coaxial digital inputs
  • 6 pairs of speaker connectors
  • 20 watts RMS x 12 at 8 ohms
  • zones 1 and 2 line-level outputs (fixed or variable)
  • supports RS-232 and IP-control for integrating a third-party home automation system
  • supports voice control via an Amazon Alexa device
  • 6 RJ-45 ports for connecting optional in-wall keypads via category cable
  • 6 routed IR outputs and 1 common IR output
  • 12-volt trigger input and output
  • supports Bluetooth® streaming with optional BTC-2X or BTC-1X receiver
  • rack-mountable with (mounting ears included)
  • 17"W x 3-3/4"H x 13-1/2"D
  • weight: 19.2 lbs.
  • warranty: 3 years
  • MFR # 1550-536342

What's in the box:

  • Multi-zone controller/amplifier
  • Six 4-pin speaker terminal blocks
  • 2 Rack-mount ears
  • Ten 12mm machine screws
  • 71" AC Power cord (IEC 3-pin)
  • Installation manual
  • Read-This-First software unlocking warning

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More details on the Russound MCA-66

Stacey B.

Product Research

Features
Inputs and Outputs
Configuration and Control
Additional Features
Specifications

Features

Overview: The Russound MCA-66 is a 6 source, 6 zone controller/amplifier with 20 watts (RMS) of output power per channel for each of the 6 zones. The MCA-66 is Ethernet enabled and is part of Russound's RIO (Russound I/O) IP based control systems protocol, allowing it to communicate bi-directionally with Russound zone keypads and touchscreen controllers (both sold separately). The amplifier/controller includes a multitude of analog and digital inputs, all of which can be assigned to any of the 6 zones. Other features include home theater trigger outputs, for activating outboard devices, an RS-232 port, for integration with serial-connected home automation systems, and a direct-connection port for Russound's optional Bluetooth interface (sold separately).

 Inputs and Outputs

Input Sources: The Russound MCA-66 features a wide array of input sources that can be assigned to any of the 6 output zones. Sources include:

  • Analog Inputs: The controller/amplifier's rear panel includes 6 pairs of signal-sensing RCA inputs, which can be used to input audio from a variety of playback devices, such as a CD or media player. These sources can be programmed during zone setup to be global sources, or zones can be individually programmed for restricted access. An additional OUT pair of RCAs is provided for passing signals from any of the 5 other RCA inputs, out to a recorder or secondary amplifier.
    • Page Input: Input six's right RCA jack can also be used as a paging audio input, accepting line-level audio signals. This works in conjunction with the rear-panel 3.5mm Page Trigger Input. This input can interface with the page output of a telephone system or other peripheral device. When a page event is engaged, it interrupts the audio outputs for all enabled zones. System paging can be disabled permanently in each zone or temporarily. These settings, along with Source 6 assignment are done in the Web Config setup software (see Configuration and Control).
  • Digital Inputs: Three coaxial digital and one optical input are provided for running digital audio sources into the system, such as from a streaming device or digital media player. The digital inputs are hard-wired to Sources 3, 4, and 5. The Web Config setup software lets you designate whether those input sources will be using the analog or digital inputs. Digital Input 5 includes both coax and optical ports, only one of which can be used at a time.
  • Bluetooth: The MCA-66 provides a rear-panel RJ-45 connection for the optional Russound BTC-2X Bluetooth module (sold separately), allowing audio to be streamed from a Bluetooth enabled smartphone, tablet, or laptop. The BTC-2X module has a Bluetooth range of up to 65' indoors (up to 195' outdoors) and can be located up to 300' from the MCA-66 using CAT-5/6 cable. This allows audio to be streamed from a location remote to the MCA-66. The BTC-2X uses aptX audio codec for enhanced sound quality. A Bluetooth connection takes up Input Source 1. Using the Web Config setup software, a Primary Zone can be set for the Bluetooth input, allowing a specific zone to serve as the default zone for Bluetooth source.

Zone Outputs: Six pairs of stereo speaker outputs are provided in the form of removable 4-pin terminal blocks, one per zone, each using a locking-lever connection and can accept speaker wire up to 14 ga. in size. Each pair of outputs is powered by its own internal 2-channel amplifier, providing up to 20 watts (RMS) per channel into an 8Ω load (minimum impedance). Zone 1 and 2 speaker outputs also include a set of stereo RCA Line Outs that can send that zone's audio to an outboard amplifier (sold separately). A Fixed/Variable switch is included with each, allowing that zone's volume to either be adjusted within the Russound App or at the outboard playback amp. Zone settings available in the Web Config include:

  • Zone and Source Naming: A list of predefined names are available for each zone and source, or they can be custom named.
  • Party Mode: This mode allows a pre-designated source to play through all assigned zones.
  • Linked Zone and Source Groups: Allows up to two sources and zones to be linked to a single touchscreen or keypad controller.
  • All On: Each zone can be assigned to respond to an All On command from a controller.
  • Source Exclusion: Allows you to limit the sources available to a particular zone.
  • Paging: Page Participation and Page Volume can be set for each zone.
Configuration and Control

Ethernet Connection: The MCA-66 features a rear-panel Ethernet port for a hard-wired connection to a LAN (Local Area Network), allowing configuration and programming of the controller/amplifier through the Web Config, as well as enabling day-to-day control via the Russound App. The default network setting is DHCP-enabled, but a static IP address can be configured using the Web Config software during initial setup.

Note: All setup and configuration must be done through a browser-based controller using a network connection. When the MCA-66 is initially shipped, it will only operate in a "locked" state. In this state, no audio or control is available. In order to unlock the system, valid Russound Certified Installer credentials must be entered using the convenient Web Config browser-based configuration utility. Please contact your sales advisor for details.

Web Config: The MCA-66 includes a new programming feature called Web Config. This allows the MCA-66 to be completely configured via its IP address using any smartphone, tablet, or laptop connected to the same network as the controller/amplifier. Configurable options include: zone assignments, network configuration, IR programming, power management, keypad button configuration, and more.

Russound App: The Russound App (available from the Apple App and Google Play stores) lets you operate the MCA-66 from your Apple or Android phone or tablet, giving you control of the controller/amp from anywhere inside your network's range. This is a convenient way to select a source for a zone, change the volume and sound settings, and can even let you control other devices connected to the MCA-66 like a satellite box, Blu-ray player, or radio tuner. This also allows other people to control the sound and source for the zone they're in.

XTS Controller (Optional): The Russound XTS7 touchscreen controller (sold separately) is a stylish in-wall touchscreen that runs an embedded version of the Russound App. This allows the same control that's available on your smartphone or tablet without having to use your device to change the volume or make a music selection. The XTS is an IP-based network device that gets connected to the same router the amplifier is connected to.

Note: In order to prevent unauthorized changes to configuration settings, a default password (see owner's manual) has been created that will be required to be entered prior to changing any configuration settings. The default password is user-changeable in the Web Config.

RNET Link: Two rear-panel RJ-45 sockets provide RNET Link In and Link Out connections. These allow linking of up to two or more (maximum 6) MCA-66 controller/amps using CAT-5e cables terminated in RJ-45 connectors using the T568A wiring configuration. A corresponding rear-panel Controller ID Switch allows each connected device to have its own unique ID number (1-6) to avoid command signals affecting all connected devices. Along with RNET data signals, these ports will also pass source IR signals between different RNET devices.

Note: To avoid potential cross-talk between the source-specific IR repeating signal lines, CAT5e cable runs should not exceed 18 inches in length.

Keypad Controllers (Optional): Each of the MCA-66's output zones can be individually controlled using optional IPK-1 keypad controllers connected to a PoE Switch (sold separately) that's on the same network as the MCA-66. The IPK-1 features push-button controls for volume, power, and source selection. It can also provide basic transport controls, like play/pause, previous and next track selection, etc. for a connected player.

Note: Unlike previous compatible model keypads, the Russound IPK-1 keypad controller does not connect to the rear panel of the MCA-66; it must be connected to a PoE Switch on the same network as the amplifier.

IR Outputs: Six routed IR emitter pass-thru ports allow IR control of individual source devices. This can be done from a zone keypad controller, an XTS controller, or from the Russound App. Each 3.5mm port can accommodate an IR emitter (sold separately) that gets placed in front of the source device's IR window. A seventh Common IR port supports IR pass-thru from any of the IR sources or zones. This allows control of any source equipment without that source being selected on the keypad.

Alexa Compatible: Alexa-enabled devices (including the Amazon Echo, Dot, and Show) are able to control key functions of the Russound MCA-66 controller/amplifier through voice commands. Voice control functions include -

  • Volume Control (Turn Volume Up, Down, Mute, or set a specific volume level directly)
  • Zone On/Off
  • Playback Control (Play/Pause, Next/Previous Track, Repeat/Shuffle)
  • Like/Dislike Song (for compatible streaming sources)
  • Adjust audio settings (Bass, Treble, Loudness)
Note: You will need an Alexa-enabled device (sold separately) to operate the MCA-66 via voice-command. The controller/amplifier and the Alex-enabled devices must be on the same network.

RS-232: A rear-panel RS-232 port is provided for connecting an optional 3rd party controller device using the RS-232 control protocol.

12VDC Trigger: Two 3.5mm 12VDC trigger ports are provided (tip-positive/sleeve-negative) for both IN and OUT.

  • IN: Allows the MCA-66 and connected source devices to be powered on/off via an external device's 12VDC trigger output, such as from a home theater receiver or power management device.
  • OUT: The MCA-66 can trigger an outboard device, such as an amplifier or motorized screen, on or off. The OUT also acts as a pass-thru when using the IN port.

Common 12VDC Trigger: This 3.5mm port will output12VDC/100mA when any zone is activated (tip-positive/sleeve-negative).

Additional Features

Front-Panel Indicators: The MCA-66's front panel includes a removable semi-transparent section covering six LEDs indicating if that corresponding zone is powered on or off. This section also includes the IR window, for use with an optional IR remote control (sold separately). A corresponding IR LED lights to indicate if the unit is receiving IR signals.

Mounting: The Russound controller/amplifier includes 4 pre-attached feet with rubber no-slip pads. The system can also be rack-mounted using the included rack-ears and hardware. After removing the attached feet and installing the rack-ears, the unit will take up 2U of rack space.

Factory Reset: A rear-panel Reset button is provided. Pressing and holding this for 3 seconds will reset the network back to DHCP. A 10 second press and hold will delete all configuration information and lock the unit (it's original state when first powered on). This will require valid Russound Certified Installer credentials and an internet connection in order to unlock the unit again. A backup copy of your original configuration can be saved in the Web Config software, letting you quickly restore the unit back after resetting and unlocking it.

Firmware Updates: The MCA-66 can have its firmware updated either through the Web Config software, as long as the controller/amp is connected to a LAN with internet access, or through the dedicated rear-panel USB port using a USB thumb drive.

Fuse Protected: The MCA-66 includes a user-replaceable T3.15A/250V AGU type fuse, located underneath the rear-panel AC power socket.

AC Voltage Switch: A rear-panel switch allows the voltage range to be set, depending on the location the controller/amplifier will be used. Choices are: 100-120V and 220-240V. If changing to 220-240V, the rear-panel fuse must be changed to a T1.25A 250V type.

Specifications
  • Output Power: 20W RMS @ 8Ω
  • Minimum Impedance:
  • Frequency Response: 20Hz-20kHz +/- 1dB at 1W output into 8Ω
  • Signal to Noise Ratio: 93 dB unweighted, 96 dB A-weighted
  • Total Harmonic Distortion: <0.10%
  • Source Inputs: 6 Pairs stereo RCA, 3 coax digital, 1 optical digital
  • Zone Outputs: 6 Speaker-level (20W/channel), 2 line-level
  • Home Theater Trigger: In/out, 12VDC (pass-thru)
  • Common Trigger: Out, 12VDC/100mA
  • Page Trigger: In, 12VDC
  • Speaker Connections: 6 Removable 4-pin connectors
  • IR Outputs: 6 Routed, 1 common
  • Dimensions: Width: 17.0" (19" w/ rack-ears), Height: 3.750", Depth: 16.250" (incl. power cable)
  • Weight: 19.2 lbs.

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Customer Q&A

6 questions already asked

Q
I have a Russound MCA-C3 multizone controller which is no longer working. WiIl the Russound MCA-66 work with MCA-C3 keypads?
todd  Feb 22, 2024
1 answer
A
Hey Todd, great question. So short answer is it does not appear that it will work. Long answer to that is the MCA-66 actually uses a newer version of the keypads that were not the same as the MCA-C3 ones. Looks like the MCA-66 only supports direct connection with MDK-C6 and SLK-1 keypads. It also seems the Russound IPK-1 keypad controller can work with that MCA-66 but does not connect to the rear panel. Tt must instead be connected to a PoE Switch on the same network as the amplifier. So if we are swapping out the controller, we will want to consider new keypads as well.
red  Feb 22, 2024 (Staff)
Q
How are subzones managed with this amp? Is it possible to bridge speaker output for any zones to a mono room?
manny  Apr 14, 2023
1 answer
A
You cannot bridge channels on the Russound MCA-66 for your mono room sadly, Manny. You do have control of your system from the Russound app. The Russound App (available from the Apple App and Google Play stores) lets you operate the MCA-66 from your Apple or Android phone or tablet, giving you control of the controller/amp from anywhere inside your network's range. I would use the Polk Audio RC6s in the link below for your single-speaker room. The Polk is a stereo input 8-ohm speaker, so you can run two channels and get stereo sound out of one speaker! Moisture resistance also means this is a great pick for a bathroom or any other high moisture environment. https://www.crutchfield.com/p_107RC6S/Polk-Audio-RC6s.html
bo  Apr 14, 2023 (Staff)
Q
The Russound website mentions the requirement for a professional installer for this product. Is this still required when buying from Crutchfield?
mlr11  Oct 15, 2022
1 answer
A
Greetings mir11, and thank you for your question. This multiroom amplifier is a bit more complicated than a more basic power amp. When you receive it, it is locked, no sound or control. It needs to be unlocked by either a Russound certified installer, or if you are a more do it yourselfer, our AV design group as well as our technical support team can unlock it for you via a phone call.
hogan  Oct 15, 2022 (Staff)
Q
Is the Russound MCA-66 compatible with UNO-S2 and ABUS keypads? I am looking to replace an existing CAV6.6 system and already have the keypads installed.
william  Jun 22, 2022
1 answer
A
This Russound MCA-66 is not compatible, sadly. If you have CAT-5 or CAT-5e In place you might be able to use this complete CAA66 setup I've linked below to replace the keypads/amp unit for functionality. The manual on this CAA66 does not mention any ABUS components specifically as compatible with this solo CAA66 I've also linked below, but I would try Russound direct via email. They have the info needed to confirm whether any current units can be used with your current keypads. Here is there email below first, before the relevant links Bill. I hope this helps! tech@russound.com https://www.crutchfield.com/S-4new2EYV82y/p_543CAA66/Russound-CAA66-Controller-Kit.html https://www.crutchfield.com/p_543A66MSTR/Russound-CAA66.html
bo  Jun 22, 2022 (Staff)
Q
What kind of app works with your system ?
alialaa  Jun 21, 2022
1 answer
A
This Russound MCA-66 uses the MyRussound App (available from the App Store or Google Play Store). It lets you operate the MCA-66 from your Apple or Android phone or tablet, giving you control of the controller/amp from anywhere inside your network's range. This is a convenient way to select a source for a zone, change the volume and sound settings, and can even let you control other devices connected to the MCA-66 like a satellite box, Blu-ray player, or radio tuner. This also allows other people to control the sound and source for the zone they're in. I hope this helps!
bo  Jun 21, 2022 (Staff)
Q
does the unit require a keypad or can it be controlled via Alexa or an app?
robert  Aug 28, 2019
1 answer
A
Hi Robert, thanks for your question. The Russound MCA-66 can be controlled via Alexa, The MyRussound App, or the Russound XTSPlus in-wall touchscreen controller. That controller is running an embedded version of the MyRussound App. Feel free to chat with an Advisor online or by phone at 1-800-324-9695, they'll be happy to go over any other questions you may have!
jessica  Sep 09, 2019 (Staff)
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Multi-zone controller and amplifier for Russound distributed audio systems
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Enjoy additional power and system expansion options

The Russound MCA-88 offers these features:
  • 40 watts RMS x 12 at 8 ohms
  • 8 RCA stereo inputs
  • expandable up to 48 zones with additional controller/amplifiers
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