Any reason to add polyfill to my setup?

[RebelExtrm02 10+ year member]

I've heard there can be certain benifets to adding polyfill to a sealed encloser setup but I'm not sure if it will benefit me. I have a 350w rms 12" JBL sub that I put in a 1 cu. ft. enclosure (as per the factory specification for box size). It's running off of a 360w rms monoblock amp. Music preference is mostly rock, metal, industrial, and techno type music. Would there be any reason for me to use polyfill? Why or why not?

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[Jh8909 10+ year member]

Polyfil tricks the sub into thinking its in a bigger enclosure then its already in. you have a sealed box so try it and find out for yourself. its cheap anyway.

 

[bubbagumper6 5,000+ posts]

Polyfill costs like 5$ a bag...just go buy some and try it.

 

[stocker08 10+ year member]

I tossed some in my 1.25 cu. ft. box with a 12" JL W6. I was quite impressed with the difference it made. I found that the bass was lower and sounded clearer. It does however, compromise some of the "punch".

Like they said, it is pretty cheap so experiment with it. You might like the sound better, you might now.

 

[AQHDC3 10+ year member]

Lows will probably sound better but you may have to sacrafice some highs.