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Sewell Direct SW-30455-25 Sewell Silverback Subwoofer Cable - Gold Plated, Double Shielded - 25-Feet

4.5 out of 5 stars 488 customer reviews
| 47 answered questions

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25-Feet Size Chart
Subwoofer Cable
  • Enter your model number above to make sure this fits.
  • Silverback subwoofer cable connects a powered subwoofer with an audio receiver.
  • Double shielded, heavy gauge wire provides low-distortion extra deep bass.
  • Split-tip center pin, 6-cut gold plated connector, provides ultra-secure connections and maximum signal transfer.
  • Metal housing adds durability; compact housing allows for better flexibility in those tight spaces behind your audio components.
  • 25 feet
4 new from $14.95
$14.95 & FREE Shipping on orders over $49. Details Only 18 left in stock. Sold by Sewell Direct Corp and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

  • Sewell Direct SW-30455-25 Sewell Silverback Subwoofer Cable - Gold Plated, Double Shielded - 25-Feet
  • +
  • Deadbolt Banana Plugs, 12-pair, By Sewell Direct
  • +
  • AmazonBasics 16-Gauge Speaker Wire - 100 Feet
Total price: $48.89
Buy the selected items together


Technical Details

Length: 25-Feet | Style: Subwoofer Cable
  • Brand Name: Silverback
  • Model Number: SW-30455-25


Product Information

Length:25-Feet  |  Style:Subwoofer Cable
Product Dimensions 10 x 0.5 x 10 inches
Item Weight 12.8 ounces
Shipping Weight 12.8 ounces (View shipping rates and policies)
ASIN B00PZ4XKXA
Item model number SW-30455-25
Customer Reviews
4.5 out of 5 stars 488 customer reviews

4.5 out of 5 stars
Best Sellers Rank #31 in Electronics > Accessories & Supplies > Audio & Video Accessories > Cables & Interconnects > Audio Cables > Subwoofer Cables
#5,446 in Electronics > Accessories & Supplies > Home Audio Accessories
#9,378 in Electronics > Accessories & Supplies > Cables
Date first available at Amazon.com June 24, 2014

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From the Manufacturer

Related Products - Click Picture to View Silverback Speaker Wire 7.1 Wall Plate Strike Banana Plugs


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Style Name: Speaker WireSize: 6-Feet Verified Purchase
I bought five of these for now: two for each of my main speakers for biamping, one for my center channel. My primary speakers are B&W CM8S2, and I prefer biamping. Since the copper is finely stranded, these cables are very easy to manage and don't easily kink. They come properly packaged in loops, not wound tight like cheap cables leaving you to straighten or de-kink the wire.

This is 12 gauge wire, so it's far larger than what most people are used to seeing for speaker wire. It's probably bigger than what is really necessary, but it's what I like. I want the most out of my awesome speakers, and using the larger gauge should minimize any loss or signal degradation, even if for me the signal travels only six feet.

The bananas fit snugly into my speakers and receiver, they're not extremely long shells, and I like the look of both the bananas and the cable (see my photo). As others have noted, these aren't soldered or bonded by any fancy means other than a screw securing the wire to the banana plug. This doesn't bother me--in fact, I like it because I can more easily repair or replace connectors if ever that become necessary. The outer shell screws over the banana and cable, and it had worked loose on about half the cables in shipping. If that happens, just screw them down. Done!

These are my new favorite speaker cables. I only wish Sewell sold the wire in spools shorter than 200 feet. If they did, I'd buy some to have on hand. Maybe I'll call and beg them anyway!

Buy the cables. If you're any kind of audiophile in training, these will give you good sound and make you feel good about wiring your system with beefy cable that people will look at and proclaim "holy cow"!
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Style Name: Speaker WireSize: 10-Feet Verified Purchase
These are heavy cables and heavy duty banana plugs. There's no doubt it made a sound difference for my from three channels in my home theater. Be careful about the length though. The plugs take away about 2 inches on both ends and with the weight you don't want these cords pulling on your speaker connections - make sure you have an extra 2 feet or so when you measure. If your distance is spot on with these cords - you shouldn't buy them. Make sure they'll have slack.
But like the lawyer in Jurassic Park says to the kid, "Is it heavy? Then it's probably expensive.". Words to live by. These are heavy and feel expensive. A great deal here on Amazon.
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Style Name: Speaker WireSize: 6-Feet Verified Purchase
Just thought others should know this is wonderful and makes setting up a home theater system much easier. It is pre-terminated at both ends which looks much more professional than my attempts at putting banana plugs on wires myself. Its a dark color which matches my furniture and electronics better its thick though which may bother some people but i like thick wires as it makes me feel better about its quality and lifespan. I have not had any problems with speaker quality using these either.
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Style Name: Speaker WireSize: 6-Feet Verified Purchase
These are simply awesome speaker cables. I have an amp with banana plugs, speakers without, and I was prepared to simply cut off the other ends - but WHAT A BONUS - these cables have a pair of setscrews inside each banana plug (as opposed to soldered, or crimp)... making them completely removable and re-installable if I ever buy new speakers with banana plugs. How cool is that?!?

So indeed these are very thick cables, with many (supposedly 250+, I didn't count) tiny, real copper wires. I saw many of the other cables were copper plated aluminum. Well, copper is rather expensive these days, but sound quality is not a place to skimp. With so many small wires, the cables are not at all stiff.

I'm not an audiophile, but I swear I can hear a difference.... (ok, the fact that I replaced 3-twisted pair silver-colored PA wire might have an effect)... but seriously - these are really quite awesome cables. Completely happy :)
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Style Name: Speaker WireSize: 10-Feet Verified Purchase
Cable is of nice quality as it is 12 gauge, plus a nice PVC jacket cover. the silverback connectors I like because of the dual set-screw design really holds the cable in. Problem is that with 12 gauge wire and the thick PVC jacket, the person assembling it often has exposed wire. This is not much of an issue if the silverback covers are screwed on properly. I received the cable and two of the screw-on 'silver' covers were completely off. It could be a function of the design, and result of shipping, not necessarily the person who put it together.
However, it is a QC issue that Sewell should handle.

I took some time to inspect the cable, and it turns out that whomever assembled it had cut some of the stranded ends when the wire was stripped. Still plenty of connection since 14 gauge would work fine, but still, I question the assembly technique.
Being familiar with the silverback connectors when doing my own speaker wire runs, I just re-did the connection myself.

I love the connectors, the cable works and looks great, easy to work with, flexible design. Would I buy it again if needed? yes.
Would I double-check the connectors if they are loose on arrival? yes.
1 Comment 14 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Style Name: Speaker WireSize: 6-Feet Verified Purchase
Well, I must say I am pleasantly surprised by the sound quality I now get with this brand of speaker wire. I bought three sets: 15-feet, 6-feet, and 3-feet for the subwoofer. I've tried both well-produced albums (like Fleetwood Mac's Tango in the Night) and other metal albums with distorted and heavy bass from my Metal collection. There is a crispness to the sound to them all now, and a wider range of capturing sounds I did not hear from my CDs and vinyl before. Very impressive, even with my JBL speakers which are now more than 20 years old. Unlike others, I have not experience any issues or problems with the screw-on banana plugs. I highly recommend this product.
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