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THE BEST ON THE WEB! For nearly 25 years. Use code # SS5 to get 5% off orders over $100.

Optimus 5.25" Foam Speaker Repair Kit FSK-5.25 (PAIR)

Part Number:RSO-FSK-5.25
Optimus 5.25" Foam Speaker Repair Kit FSK-5.25 (PAIR)
Optimus Repair Kit # 5.25
Optimus 5.25" Foam Speaker Repair Kit FSK-5.25 (PAIR)
Your Price:$24.95
List Price:$34.95
You Save:$10.00


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Optimus 5-1/4" Speaker Foam Repair New-Edge-It ® Kit, Part # FSK-5.25

Optimus Speaker Foam Edge Repair Kit
Outer diameter:
5-1/8" (130mm)
Roll outer diameter:
4-1/2" (114mm)
Cone diameter:
3-3/4" (95mm)
Inner diameter:
3-1/2" (89mm)
Foam roll width:
3/8" (10mm)
Variances up to 1/8" (3mm) from your speaker measurements are OK.
  • Optimus 5-1/4" angle attach woofer foam repair kit. New-Edge-It ® part # FSK-5.25
  • Original Optimus woofer design
  • Fits all 5-1/4" frame models with 3-3/4" cone
  • Fit Optimus and Radio Shack cabinet and driver models:

    Optimus and Radio Shack 40-1365, Optimus Pro 110, and many more!

    Please check the model and size of your speakers before ordering to be sure you receive the correct foam edge repair kit.

  • Speaker New-Edge-It ® foam repair kits include:
  • Two new formula polyether foam rubber surrounds. These last much longer than the original foam.
  • Special CLEAR speaker repair adhesive part # MI-3035. The same adhesive we use for our repairs.
  • We do NOT use generic glue or Elmers type white glue like others sell.
  • Easy to follow illustrated instructions. Installation average time is 30 minutes per speaker.
  • You do not need to remove the dust caps to install these kits perfectly - every time.
  • See online installation instructions here: Speaker Refoam Instructions
  • FREE technical support. FREE shipping to any USA address.
  • Join over 150,000 customers that have used our New-Edge-It ® speaker foam repair kits successfully!
5 Stars
Excellent product
Fortunate I found Simply speakers. In wall Realistic speakers installed 1993. Drivers no longer available with foam rings degenerating. With online tutorial and products I easily rebuilt 6. The work and sound original. Highly recommended
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Reviewed by:  from Maysville. on 7/18/2016
5 Stars
I bought these speakers back in 1981 and they have been sitting in the closet for over 25 years. I ordered your foam edge and watched your you tube video on how to rebuild them. It took less than half hour to repair them and they sound as good as new! Thank you!
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Reviewed by:  from Edgewater, Fl. on 5/9/2016
4 Stars
When installing repaired speaker back in box the screws caught the foam and nearly tore it. Could be a little better fit(smaller). Include in instructions to cut out foam at each mounting screw. This also applies to the 15" foam kit. Was overall very pleased with how the process worked. Was extremely happy with your tech support when I called with a question. You will be my first choice next time I need speaker help. Thanks.
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Reviewed by:  from Ohio. on 1/17/2016
5 Stars
1st Duke of Peckens
This one was the correct size so I used it to repair a set of five inch drivers. Great product!
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Reviewed by:  from Home. on 12/12/2014
5 Stars
5.25 foam speaker repair kit
I was really superized when I installed them. They sound like when I first bought them. My wife keeps telling me to turn them down, NO WAY love them. thanks Billerica, MASS
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Reviewed by:  from billerice, mass. on 5/13/2012



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