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Russound ALTx-2D

Stereo volume control with impedance matching and Decora®-style wall plate

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  • Russound ALTx-2D

    Includes White, Light Almond and Almond wall plates and knobs

Item #: 543ALTX22D
 

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Our take on the Russound ALTx-2D

by Marshall Chase
Russound

Convenient volume control

Russound puts control of your in-wall and in-ceiling speakers at your fingertips. The ALTx-2D electronic volume control offers easy operation as well as built-in impedance-matching circuitry that makes it easier to outfit several rooms with speakers.

Safely connect multiple pairs of speakers

You can use up to eight of these impedance-matching stereo volume controls to safely drive up to eight pairs of speakers with a typical receiver or amplifier. You won't even need any additional speaker selector or protection device. For connecting up to four volume controls neatly and conveniently to your receiver or amplifier, use Russound's EZB-1SC connecting block, or add the EZB-2SC modular expansion unit for systems with even more speakers.

Custom-tailored advice — before and after you buy

Installing this volume control usually requires you to run speaker cable in your walls, unless your home is already pre-wired. Our Audio/Video Designers can help you map out the details. Plus, our tech support specialists can help you through your installation step-by-step.

See more info on this item

Highlights:

  • connect up to 8 pairs of speakers to a single 8-ohm-rated stereo amplifier (requires 1 volume control per speaker pair)
  • power handling: 42 watts per channel
  • adjustable impedance magnification (1x, 2x, 4x, and 8x)
    • 4-ohm amp: up to 16 pairs of 8-ohm speakers or 8 pairs of 4-ohm speakers
    • 8-ohm amp: up to 8 pairs of 8-ohm speakers or 4 pairs of 4-ohm speakers
  • 11-step control, 48dB maximum attenuation
  • accommodates up to 12-gauge wire
  • installs in your wall with a standard single-gang electrical box (not included)
  • includes three colors of wall plates and knobs: white, light almond, and almond
  • 2-3/4"W x 4-1/2"H x 3-7/16"D
  • warranty: lifetime
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Product Research
What's in the box?

Download owner's manual

  • ALTx-2D in-wall volume control with white Decora insert and white volume knob installed
  • White wall plate
  • Almond wall plate
  • Light almond wall plate
  • Almond volume knob
  • Light almond volume knob
  • Almond Decora insert
  • Light almond Decora insert
  • 2 Speaker screw terminals
  • 2 Volume control installation screws (M3 x 20mm)
  • 2 White painted wall plate screws (M3 x 10mm)
  • 2 Almond painted wall plate screws (M3 x 10mm)
  • 2 Light almond painted wall plate screws (M3 x 10mm)
  • Instruction Manual

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features

In-Wall Volume Control: The Russound ALTx-2D is an in-wall volume control that fits into a standard single-gang junction box. It comes with wall plates, Decora inserts, and volume knobs in white, almond, and light almond.

Ultra-Match Technology: The ALTx-2D's Ultra-Match technology allows you to easily match the load of multiple speakers to the amplifier impedance without the need for a speaker selector or other impedance-matching equipment. It provides impedance matching for up to 16 pairs of speakers per system.

Performance: This in-wall volume control is designed to handle up to 42 watts RMS and 126-watts peak power. The built-in precision autoformers produce high-fidelity sound with excellent frequency response (20Hz - 20kHz, +1.0/-0.5 dB at rated power). It provides maximum power transfer from the amplifier to the speakers without heat buildup.

Volume Knob: The ALTx-2D has a simple clean design with a simple knob, Decora insert, and standard wall plate. The knob has 11 steps of volume, plus an off position. The volume control provides a total of 48 dB attenuation.

Connections: The volume control has two 4-pole screw terminal blocks, one for the input from the amplifier, and one for the output to a pair of speakers. The terminals allow you to connect up to 12-gauge speaker wire. The terminals can be unplugged from the volume control for easier wiring.

Speaker Wire Recommendations: For most applications, stranded 16-gauge speaker wire is recommended. For runs of over 100', 14-gauge is recommended, while 12-gauge is recommended for runs of up to 200'.

Jumper Settings: Each ALTx-2D has two sets of five jumper pins (five for the left channel, and five for the right) on the back of the volume control. The jumpers can be set to 1x, 2x, 4x, or 8x, depending upon the number of speaker pairs being connected in the system. The jumper sleeves should be configured the same for all speaker pairs in the system before connecting the speakers.

Amplifier Power Ratings: The amplifier should provide a minimum of 20 watts per channel RMS for each pair of speakers connected.

Speaker Impedance: The ALTx-2D is designed for speakers with impedances of 4, 6, or 8 ohms.

EZB Connecting Blocks: When connecting multiple pairs of speakers to the system, you will need a Russound EZB-1SC (543EZB1SC, sold separately) connecting block. The EZB-1SC can connect up to four volume controls to the amplifier's output. An EZB-2SC (543EZB2SC, sold separately) is needed to expand the EZB1SC to another four volume controls.

 
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Russound ALTx-2D Reviews

Average Customer Review:

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5 out of 5

Great Product!

Written By Jesse, Blaine, MN on Wednesday, June 04, 2014
Crutchfield Customer Review (What's this?)
 
Great Product, easy to install.
Pros:
Mutiple color options, easy to install. Good price on sale.
Cons:
Non, yet.
1 out of 1 people found this helpful
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5 out of 5

Reliable remote speaker volume control

Written By DaveBX, New Orleans, LA on Sunday, May 11, 2014
Crutchfield Customer Review (What's this?)
 
This volume control works as promised. No clicking or popping, and installation was easy. The instructions do a good job walking you through the impedance-matching settings. A solid product.
1 out of 1 people found this helpful
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3 questions already asked

I have a russound system in my house already. I have a large home and want to add on another system to the existing system what do I need to do at the least expense? [ Derek  Aug 13, 2014 ]
1 answer
  • I forwarded your question to an Advisor and they responded with the following: The item number is just a volume control, so I would need to know the exact Russound system that they have. The model number is usually on the front or back panel. See item: http://www.crutchfield.com/cgi-bin/ProdView.asp?I=543CAA66 I would also need to know if they want to add multiple zones or just one pair of speakers. Please call an Advisor directly by phone (1-800-324-9695) or online chat. [ Krissy Staff  Aug 26, 2014 ]
I have two stereo input speakers, with 4 conductor wire that I'm using. I just want to make sure I don't need to buy anything else, since it says you need a connecting block for multiple pairs of speakers. This volume control has 2 four pole connector blocks, but I'll technically be connecting 8 wires to two speakers. They want me to put a ? Thanks [ Tim  Feb 02, 2014 ]
3 answers
  • If you have two speakers, then you will have 2 wires going from your receiver to the volume control - each wire will have 2 conductors. On the other side of the control you will have 2 wires going to the speakers - each wire will have 2 conductors. So yes, each volume control will have a total of 8 conductors. [ WAYNE   Feb 04, 2014 ]
  • Sorry but I do not know the answer. [ BARTOW   Feb 03, 2014 ]
  • 2 four pole connecting blocks, one block for input, one output. I think you will need a connecting block to do it properly, or run the speakers in parallel and do the calculations to make sure the system works together. [ Don   Feb 03, 2014 ]
Does this allow speaker pair to be turned off? [ Andy  Dec 30, 2013 ]
3 answers
  • No, you can only adjust volume. [ HAYES CUSTOM   Dec 30, 2013 ]
  • Technically it doesn't shut off the speakers. However, it does allow you to turn down the volumn so that it isn't audible in the area the controller services. [ AUDREY   Dec 30, 2013 ]
  • Andy, if you turn the dial all the way down it is fully off. There's no "click", but it's fully inaudible. [ MITCHELL J   Dec 30, 2013 ]

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