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SS4 Speaker Selector Impedance Matching 1 Input 4 Output

4.4 out of 5 stars 58 customer reviews
| 16 answered questions

Price: $22.00 + $5.95 shipping
In Stock.
Ships from and sold by Parts Express.
  • Manual impedance matching protection circuit
  • Accommodates up to 14 AWG speaker wire
  • Loop-through output from the source amplifier
  • Select any one or all of your connected speakers
  • 1 Year Limited Replacement Warranty
$22.00 + $5.95 shipping In Stock. Ships from and sold by Parts Express.

Frequently Bought Together

  • SS4 Speaker Selector Impedance Matching 1 Input 4 Output
  • +
  • RCA AH16100SR 100 Ft. 16-Gauge Speaker Wire
Total price: $33.84
Buy the selected items together


Technical Details

  • Brand Name: Wired Home
  • Model Number: SS4

Product Description

The SS4 is a low-profile speaker selector that allows you to distribute a stereo speaker-level (amplified) signal to multiple listening zones. These speaker selectors feature a manually activated impedance protection circuit. The protection switch can be turned ON to prevent the impedance to your amplifier from dropping below 5 ohms, regardless of the number and impedance ratings of your speakers. The protection switch can be turned OFF when used as part of a system incorporating impedance matching volume controls, allowing you to get the most out of your amplifier. The terminals on the rear of the speaker selector will accommodate up to 14 gauge cable; sufficient for cable runs exceeding 100 feet. For shorter distances, 16 ~ 18 gauge cable will suffice. For in-wall installations, we recommend using CL-2 or CL-3 rated cable for compliance with local building codes. If unsure, contact you local building inspector. When connecting a speaker and amplifier, it is important to maintain polarity; positive (+/red) to positive and negative (-/black) to negative. Be careful to maintain correct polarity between the amplifier, the speaker selector, the volume controls and the speakers. Power: 70 watts/channel impedance protection off, 140 watts/channel impedance protection on. Dimensions: 8-1/2" W x 2-1/8" H (with feet) x 5" D (including wire terminals and push buttons).

Product Information

Product Dimensions 9 x 7 x 3.1 inches
Item Weight 2.1 pounds
Shipping Weight 2.1 pounds (View shipping rates and policies)
Manufacturer Parts Express
ASIN B002I9XKTE
Item model number SS4
Customer Reviews
4.4 out of 5 stars 58 customer reviews

4.4 out of 5 stars
Best Sellers Rank #387 in Electronics > Accessories & Supplies > Audio & Video Accessories > Distribution > Selector Switch Boxes
Date first available at Amazon.com December 16, 2010

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
I am a professional Home Theater/Stereo installer. I have a great many customers who have a home theater room, but also a few rooms that they want to run sound to. Unfortunately, most modern AVR's (audio-visual-receivers/amplifiers) do not have the connections or they make the set up exceedingly difficult for non-professionals to figure out how to achieve signal distribution to other rooms/speakers. The SS4 is one of the best and most cost-effective tools to overcome these shortcomings. For instance, if you purchase an AVR with 7.1 sound, you will be able to assign the rear surround speakers of your amplifier to another task like providing sound to other rooms. However, if you simply tap into the speaker posts on your receiver, you are likely to fry your expensive receiver by not matching the impedance of the speakers which you are trying to power. Add a jumper set of wires from the receiver to this selector and you will be able to run up to 4 additional pair of speakers throughout your house without having to buy a separate amplifier. You should use the largest gauge wire for the jumpers possible - usually 12G or 14G. Then all of your runs to your other speakers should also be given the largest gauge wire possible, at least 14G. This will minimize the diminution of volume from splitting the power from your amplifier from a single set of posts to several sets of speakers. The box (SS4) will take care of protecting your amplifier. I like this piece of equipment for it's essential protection functions, ability to turn on/off speakers on a room to room basis, its' ability to provide sound to multiple rooms from an AVR that does not have that capability, and finally its' cost which is exceptional. If you have any questions feel free to contact me for more information.
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Verified Purchase
Works great so far, I used it to connect the Zone 2 output of my Onkyo 605 to 2 sets of speakers in my new apartment that are in the ceilings. I was worried out the impedence being correct and overloading the amp and this takes care of it. Nice solid metal box, well built and good value. May use one of the 2 remaining outputs to run some speakers on the patio in the summer.
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Verified Purchase
I bought this and used it for a year or two connected to a small Realistic 60W/channel receiver. I used it to switch between speakers inside the house and another pair mounted under the eaves on my back porch. It worked flawlessly. I have moved since I bought it and it is still packed up. I am considering using it in my studio to run the output of my stereo Ampeg guitar amp into one or more 4x12's (stereo) for easy switching of cabinets when recording.
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Verified Purchase
This is great quality for the price but i also have a 6 speaker selector from monoprice which looks identical except for the painted finish (dayton is textured, monoprice is smooth) The monoprice is cheaper.
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Verified Purchase
Works well for me for directing off 3 sets of speakers (it will work up to 4 pairs).
But the back of the unit and how it routes incoming and outgoing speakers is very confusing!
So setup was a bit of a pain, but it works perfectly after a little bit of setup confusion :)
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Verified Purchase
The SS4 Speaker selector arrived quickly and without issues, looked and performed as expected. Easy to set-up and use. For the price, an excellent item - would recommend this item.
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Verified Purchase
Installing a new cabinet, had to redo our sound setup. The old Speaker Selector we had in place required unscrewing tiny screws and fitting the wires into an equally tiny space. It was even difficult disconnecting the old one. This unit is more compact, better looking, and it has pressure switches to catch the speaker wire. Much easier to setup, and it works just fine. There is an impedance switch, and you have to be sure that you are matching the output from your tuner to the appropriate impedance for your speakers.
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Verified Purchase
I was a little concerned that connecting three sets of speakers would result in a massive loss of volume or sound quality. I have this connected to two pairs of ceiling speakers in the house and one pair outside. The sound is great regardless of which pair of speakers and I noticed no massive loss of power. Each pair still puts out a lot of volume.
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