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Russound EZB-1SC

Connecting block for use with impedance matching volume controls

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  • Russound EZB-1SC

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Our take on the Russound EZB-1SC

by Marshall Chase
Russound

This Russound connecting block lets you easily and neatly attach up to four pairs of speakers with impedance matching volume controls to a single stereo amplifier or receiver — perfect for multi-room audio applications. For wiring up to eight pairs of speakers to your stereo amp or receiver, add Russound's EZB-2SC expansion block.

The EZ-BLOCKS are designed for surface mount applications. Position them in an area close to the amplifier and volume control wiring. Secure each block to the mounting surface with four #8 x 1/2" screws (not included).

Custom-tailored advice — before and after you buy
Installing this modular block requires you to use impedance matching controls and 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.

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Highlights:

  • power handling: 150 watts RMS per channel
  • for use with impedance-matching volume controls
  • accepts up to 14 gauge wire
  • inner-tab holes allow for vertical and horizontal mounting
  • 6-7/8"W x 3"H x 1-1/4"D
  • warranty: 10 years
  • 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

  • Speaker connecting block
  • 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

Overview: The Russound EZB-1SC "EZ-Block" is a modular speaker connecting block which allows you to connect multiple pairs of speakers to a single amplifier. It has removable, color-coded, snap-in connectors for easier wiring. This unit has one 4-conductor input and 4-conductor output connections for up to 4 pairs of speakers. You can connect more speakers by plugging in an EZB-2SC "add-on" block. The EZB-1SC is designed for use with impedance-matching volume controls (such as 543ALTX2D) on the individual speaker pairs.

Snap Connectors: Each pair of speakers is connected to the EZ-Block via the color-coded snap-in connectors. Each connector will accept up to 14-gauge wire. These screwless connectors have wire locking levers which snap the speaker wire into place.

Mounting: The EZB-1SC is designed for surface mount applications.

Power Rating: The EZ-Block has a power rating of 150 watts RMS, 300 watts peak.

 
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Russound EZB-1SC Reviews

Average Customer Review:

3 people say:

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5 out of 5

Easy to install and works as advertised.

Written By Dylan, Charlotte, NC on Thursday, January 02, 2014
Crutchfield Customer Review (What's this?)
 
Easy to install and works as advertised.
Pros:
Removable input blocks.
Cons:
None.
Was this review helpful?    Yes | No
 
5 out of 5

Russound EZB-1SC

Written By DDuPriest, Wilmington, Ma on Sunday, November 24, 2013
Crutchfield Customer Review (What's this?)
 
Very easy to install. Built well, connecters are solid. Would recommend to anyone adding a whole home set up. I'm running 4 rooms with Russound volume controls and love it.
Pros:
Easy to install
Cons:
None
Was this review helpful?    Yes | No
 
5 out of 5

Russound EZB-1SC modular speaker patch panel

Written By Dave C, Raleigh NC on Tuesday, February 05, 2013
Crutchfield Customer Review (What's this?)
 
Little did I know how critical this small device is to good sound. My home was equipped with Russound ohm matching volume controls for 4 sets of speakers run through the house. Originally the connections to each speaker were discreet from the receiver and the volume controls in each room were set as though there were only one set of speakers on the system. Well that makes for one hot receiver. Connecting them through the EZB-1SC with properly jumpered volume controls save my receiver from the inferno of overheating.
Pros:
Small and can be mounted out of the way. No active electronics so easy to mount without a special enclosure. The levered connectors do hold the wire in very well.
Cons:
The instructions are not clear about how far to pull open the connector levers. You wan them to pop over center. They are hard to pull open but once open you can insert 16g speaker wire.
1 out of 1 people found this helpful
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1 question already asked

How much power should the stereo have to drive 4 sets of speakers through out the house? [ Trevor  Jan 04, 2014 ]
2 answers
  • Power requirements are dependent on speaker efficiency and room size. [ Bryan   Jan 06, 2014 ]
  • IF all four are on at once at the same loudness you would need four times the power. But the way you hook them up will affect the impedance which will affect the available power. Also some amps are designed to run two pairs in series which produces a higher impedance. To be on the safe side get an amp that is guaranteed to handle impedances down to 4 ohms. Those amps tend to be the better ones and a bit more expensive. And get your salesman's advice on how best to hook them up. [ PETER   Jan 05, 2014 ]

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For a more in-depth review and enhanced detailed information on the Russound EZB-1SC, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_543EZB1SC/Russound-EZB-1SC.html ).