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Optimus 4" Foam Speaker Repair Kit FSK-4 (PAIR)

Part Number:RSO-FSK-4
Optimus 4" Foam Speaker Repair Kit FSK-4 (PAIR)
Optimus Repair Kit # FSK-4
Optimus 4" Foam Speaker Repair Kit FSK-4 (PAIR)
Your Price:$24.95


In Stock: 2757

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

Optimus Speaker Foam Edge Repair Kit
Outer diameter:
3-7/8" (98mm)
Roll outer diameter:
3-1/2" (89mm)
Cone diameter:
2-7/8" (73mm)
Inner diameter:
2-1/2" (64mm)
Foam roll width:
1/4" (6mm)
Variances up to 1/8" (3mm) from your speaker measurements are OK.
  • Optimus 4" angle attach woofer foam repair kit. New-Edge-It ® part # FSK-4
  • Original Optimus woofer design
  • Fits all 4" frame models with 2-7/8" cone
  • Fits Optimus and Radio Shack cabinet and driver models:

    Optimus and Radio Shack 1255, Optimus Pro CS3, Pro 7AV, 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
I ordered the wrong kit for my speakers. The representative for Simple Speakers instructed me to return the kit and they would replace it with the correct foam kit at no charge. Thank you for your willingness to help your customer!
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Reviewed by:  from Minnesota. on 12/31/2011
5 Stars
Repaired one speaker. Works great and install was easy. Will save the extra surround for when the other one goes.
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Reviewed by:  from Franklin, NC. on 7/20/2012
5 Stars
Even an amateur can do it with great results!
I was quite impressed overall by your site and your product. I re-foamed two small speakers in a center channel speaker cabinet. The instructions and support information on the web site were excellent, and the process was pretty much trouble free. The speakers are functioning as well as they ever did. This was my "test drive" to see if I could really do the re-foaming myself. Having met with success, I'll be ordering a re-foaming kit for a pair of Allison 7's in the future. Your claim of "quality parts & service" is right on the mark! Thanks!
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Reviewed by:  from Belfast, ME. on 2/24/2013
5 Stars
optimus speaker repair kit
worked great just as explained on your site...perfect. glad to get my speaker back and sounding like new.
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Reviewed by:  from mokena il. on 3/10/2013
4 Stars
It worked quite well. The hardest part was getting the glue off. I would give five stars except the part was slightly different than the original. The original had a concave profile whereas the replacement had a convex profile. But it worked fine, just looks a little different.
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Reviewed by:  from California. on 6/19/2013
5 Stars
Exceptional service.
I found I had ordered the wrong sixe that I needed, and I returned item and received the correct size with no problems. Very impressed with customer service. Will do business again.
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Reviewed by:  from Lisbon, CT. on 1/8/2014
5 Stars
All OK. Used these before. Worked out fine.
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Reviewed by:  from Pennsylvania. on 3/2/2014
5 Stars
Happy customer
I'm a multiple time repeat customer and as always the prodcut and service were exemplary. Thank you Best Regards, Alan Wise
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Reviewed by:  from Nashua, NH. on 3/26/2014
4 Stars
A bit more difficult for me than larger speakers i have fixed up. They look a bit messy but work good as new. A little bit costly with the freight to Australia. I have plenty of the adhesive left from this and other projects. May ask for a discount next time round.
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Reviewed by:  from Sydney,Australia. on 3/28/2014
3 Stars
Optimus 4" Speaker repair kit
Very nice kit to repair speaker surrounds. In my opinion one thing could improve this kit would be to include new gaskets. The original gasket are flimsy and easily damaged during removal. I think this would be an improvement in small speaker repair kits. The glue works extremely well, although dispensing a lesser amount would be an improvement. I found that usuing a little on the speaker cone and a little on the new surround letting it set for a few minutes worked well prior to attaching together.
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Reviewed by:  from Allentown, PA. on 11/20/2014



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