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Stinger Roadkill RKFR69 FAST Rings

6-piece foam baffle kit — enhance the sound of your new 6"x9" speakers

Item # 541FAST6X9

You bought some nice 6"x9" speakers for your vehicle, so why not make sure they sound their best?

You bought some nice 6"x9" speakers for your vehicle, so why not make sure they sound their best?

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Item # 541FAST6X9

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$24.99
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About the Stinger Roadkill RKFR69 FAST Rings

Get better sound from your speakers

You bought some nice 6"x9" speakers for your vehicle, so why not make sure they sound their best? Stinger's Roadkill FAST Rings RFKR69 kit consists of six pieces of self-adhesive foam — two center pads, two inner rings, and two outer rings — which install on the speaker frame and behind the speaker, minimizing resonances and improving midbass response.

Get better sound from your speakers

You bought some nice 6"x9" speakers for your vehicle, so why not make sure they sound their best? Stinger's Roadkill FAST Rings RFKR69 kit consists of six pieces of self-adhesive foam — two center pads, two inner rings, and two outer rings — which install on the speaker frame and behind the speaker, minimizing resonances and improving midbass response.

1, 2, 3…better sound

The center pad mounts behind the speaker to absorb reflections from hard surfaces inside the car door or most other locations. The inner ring serves as a gasket for mounting the speaker to the metal surface. The outer ring mounts just outside the surround at the outer edge of the speaker, to couple the speaker to the door panel opening.

Stinger's Roadkill FAST Rings isolate the speaker from the mounting surface and the factory door panel to help eliminate unwanted vibration and noise from the door panels, while increasing midbass response. You'll have to trim FAST Rings for proper fit.

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Product highlights:

  • kit includes two center pads, two inner rings, and two outer rings
  • designed for 6"x9" car speakers
  • foam baffles cut down on unwanted resonance
  • self-adhesive foam simplifies installation
  • increases midbass
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # RKFR69

What's in the box:

  • 2 Adhesive backed center pads
  • 2 Adhesive backed inner rings
  • 2 Adhesive backed outer rings
  • Installation instructions on packaging

Customer reviews

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Stinger Roadkill RKFR69 FAST Rings reviews

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Stinger Roadkill RKFR69 FAST Rings

Crutchfield customer from Wichita Falls, TX on 7/14/2019

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These were recommended to me by Doc and they turned out to be great. I can really tell a difference in the sound that is directed into the cab of the truck and the reduction of vibration in the doors.

Pros:

Cons:

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0 of 0 found this helpful

Good idea not enough room

Crutchfield customer from Nashville, TN on 7/12/2019

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Thought this was a great idea, speakers were easy to install however i had to tear it all back out and remove this product. There is not enough room when the window rolls down and this padding need up in a wad behind the window not allowing it to go up/down.

Pros: Easy to install, cones on speakers fit great

Cons: Too thick for windows to roll down and ends up sticking to the window on the way down. Just don't put the block behind the speakers. It will not stay

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Stinger Roadkill RKFR69 FAST Rings

Crutchfield customer from Aurora, CO on 7/5/2019

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Just what I was needing. To prevent panel rattle when the volume is turned up.

Pros:

Cons:

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0 of 0 found this helpful

2014 ram 2500

Crutchfield customer from Escondido, CA on 4/2/2019

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I used these on the rear doors of my 2014 ram 2500. I'm getting more sound out of my rear doors now the rear doors blend well with the rest of the speakers now.

Pros: They are very easy to install

Cons: You will have to cut them down to get them to fit properly

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1 of 1 found this helpful

Stinger Roadkill RKFR69 FAST Rings

Crutchfield customer from Gallatin , TN on 3/1/2019

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Good product, appears to work as designed.

Pros: Fit & Function

Cons: Pricey for foam

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0 of 0 found this helpful

Better sound

Medictrode from Hammonton, NJ on 2/27/2019

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These really help with sound output and vibration dampening.

Pros: Easy to use and they stick really well.

Cons: A tad pricy for foam, But worth it.

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0 of 0 found this helpful

Stinger Roadkill RKFR69 FAST Rings

Crutchfield customer from Lake Preston, SD on 2/11/2019

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glue didnt stay stuck to foam, peeled off with the paper

Pros:

Cons:

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Stinger Roadkill RKFR69 FAST Rings

Crutchfield customer from Jonesborough, TN on 1/11/2019

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They are definitely part of the sound treatment package I chose. I hope they don't soak up water in the door though. Sound improved and I'm sold on the concept. Thumbs up!

Pros: Sound improved

Cons: Might hold water in door, we'll see

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Stinger Roadkill RKFR69 FAST Rings

Crutchfield customer from Lenexa, KS on 12/23/2018

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The adhesive on smaller pieces was not very good. I ended up discarding the smaller 6X9 pieces and saving the large 6X9 smaller pieces to repurpose them for something else. I doubt that I would putchse this product again.

Pros:

Cons:

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Great for your speakers

Anthony Malave from Charlottesville, VA on 11/25/2018

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Big improvement in bass response and absorbing vibrations around the door panel. The fast rings are a really great and quick way to get the full potential out of your speakers especially when in your car. I did a similar review on the 6.5 but the 6 x 9 were also great. You can modify also to fit in most spots for example to get it to fit behind the window track, or rear deck panel.

Pros:

Cons:

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0 of 0 found this helpful

Does what it says, tricky install on some vehicles

wyatt from Livingston, TX on 11/25/2018

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When used properly these do exactly what they say they will. They improve sound quality to an audible degree. However check your application REALLY well before you drop coin. Some vehicles just aren't made for this and you will either have to become REALLY creative, or scrap the whole project. But if you can use them they will not let you down.

Pros: Seriously improves sound

Cons: fitment issues on some vehicles

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Useless Kit

TC from Corpus Christi, TX on 5/27/2018

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Most of this kit is useless. The largest backing piece is useless if you have windows that track behind the speaker which most vehicles do. Waste of money. Usually excellent suggestions from sales, this one I regret buying.

Pros: Foam for between speaker and bracket ok

Cons: 99% of this kit is useless Unusable large back piece which is most of the kit

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Works

Matthew from Richmond, VA on 4/27/2018

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Didn't quite fit behind the speaker because the window rolls down on and there is a reinforcement bar in the door, but easy to trim down. I think it sounds abit better than without and easy to add. Put in a toyota sienna 2006 with jl c1 690

Pros: Easy application

Cons: Can't place specific location some parts of vehicle

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Best Choice

Bobbie from Sterling, VA on 4/19/2018

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This "Stinger Roadkill" is fantastic!!! I love the fact it increases mid-bass response and everything else about it. (Read Photo)

Pros: IT WORKS!!!

Cons: ZERO

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Amazing

Crutchfield customer from Covina, CA on 12/31/2017

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These things are amazing have to try them.

Pros: Gives amazing mid bass

Cons: None

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<< >>

More details on the Stinger Roadkill RKFR69 FAST Rings

Mark G.

Product Research

Features

Overview: Each Fast Ring is three concentric foam ovals, a center pad, an inner ring, and an outer ring. They mount around a speaker to improve sound quality. Typical mounting is in a door, but they can be used in almost any speaker location.

Center Pad: The center pad mounts to the inside of the outer door panel, directly behind the speaker. This pad absorbs much of the speaker's back wave, helping prevent interference with the front wave you want to listen to, and reduces vibration. Dimensions:

  • Length: 9"
  • Width: 6"
  • Depth: 2" (can be trimmed to fit)

Inner Ring: The inner ring is sandwiched between the speaker and the mounting surface, acting as a gasket to prevent low frequency (bass) cancellation. Dimensions:

  • Length:
    • Outer: 9-1/2"
    • Inner: 9"
  • Width:
    • Outer: 6-1/2"
    • Inner: 6"
  • Depth: 2" (typically trimmed to 1/4")

Outer Ring: The outer ring mounts to the top of the speaker and is sandwiched between the speaker and door panel. This ring directs all the speaker output into the cabin, and acts as a barrier to interference from rear waves trapped inside the door panel. This ring also helps prevent the door panel from vibrating. Dimensions:

  • Length:
    • Outer: 10-1/2"
    • Inner: 9-1/2"
  • Width:
    • Outer: 7-1/2"
    • Inner: 6-1/2"
  • Depth: 2" (can be trimmed to fit)

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
Look at reviews and I researched these and I'm upgrading my factory speakers and want to get the best sound possable from them. [ Michael  Aug 19, 2019 ]
A
I ordered these to take up. The gap between the deck panel and speaker to prevent unwanted vibration. [ I  Jun 09, 2019 ]
A
I wanted to have the best speaker install I could. I have watched a number of videos saying to use sound deaden materials and fast rings for a complete speaker install. [ Robert  Mar 25, 2019 ]
A
To get better sound out of my high end speakers and because I agree with the concept of adding foam to the Dynamat Xtreme door kit. [ Zach  Feb 11, 2019 ]
A
Advisor(Archer) recommended the rings vs. sound reading material [ rosalind  Feb 04, 2019 ]
A
I hope they make my speakers sound better [ Louis  Jan 11, 2019 ]
A
My hearing is shot, especially the mid-range. After reading the reviews, I decided to give these a try. [ troy  Jan 07, 2019 ]
A
I was curious to see if they actually help with midbass. [ Adrian  Dec 06, 2018 ]
A
YouTube, Five Star Car Stereo [ R  Nov 26, 2018 ]
A
Read good things about them on tacomaworld [ Michael  Nov 03, 2018 ]
A
only item like them [ Nathan  Oct 04, 2018 ]
A
I believe these will help my "quality of sound" based on my information gained from the advise of Crutchfield's. [ wesley  Jun 22, 2018 ]
A
It work the best with my installation HD Roadglide [ LaDar  Apr 25, 2018 ]
A
Help my speakers focus the mid bass into the car [ Matthew  Apr 12, 2018 ]
A
Fit 6/9 speakers I bought. [ Noel  Apr 07, 2018 ]
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