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Polk Audio MM840
9.3* out of 10

Polk Audio MM840

Carbon Composite Basket - Based on the spokes of a wheel, the Read more

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Reviews and Problems with Polk Audio MM840

Showing 1-4 of 4
Overall 10
10

Great

James from Corona, CA, Sonic Electronix
14 December 2011
Overall 8
8.0

polk mm840

Opie from San Antonio, TX, Sonic Electronix
25 November 2011
  • Conclusion: Really great product as long as you know what you want. Polk is known for its crisp and sharp punches. If you're just looking to be absurdly loud and rattle all the metal...
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Overall 2
2.0

Don't Bother

Dennis from Williamsburg, VA, Sonic Electronix
19 July 2010
  • Conclusion: Not enough bass for my Jeep JK Wrangler using the factory enclosure and an Alpine PDX-5. Lasted about 3 months and completely blown listening to mainly Phish and Jack...
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Overall 10
10

Great 8" subwoofer

cliff from Portland, OR, Sonic Electronix
8 May 2010
  • Conclusion: I bought this woofer and the 8" angled box for my GMC S-15 PU. This is a great value and fits behind the seat.
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