Speaker polyfill
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Cruiser
Joined: Apr 2013
Posts: 197
Likes: 3
From: Texas
Speaker polyfill
I was just wondering was does adding polyfill to your speakers do for you and how is it done. I have the front fairing off because i just added the aux connection mod to my radio (works awesome) and thought I might do this polyfill thing.
Outstanding HDF Member
Joined: Mar 2012
Posts: 2,843
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From: Michigan
Polyfill "tricks" the speaker into thinking it has more available airspace by slowing down the sound wave. Is helps with bass response, mostly. Buy the rolled polyfill, cut it into squares large enough to wrap it around the back of the speaker, and use multiple layers. You can hold it on with rubber bands, or some people layer it thick enough that the outer fairing holds it in place.
Seasoned HDF Member
Joined: Oct 2012
Posts: 11,217
Likes: 3,045
From: St.Louis Mo.
just take an old polyfilled pillow cut it open and take some of the stuffing out and put it behind your speakers. works very well, you don't have to pack it in there real tight just stuff it in there loosely. really tightens up the sound.
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