What subwoofer has the qualifications???

Can hit really LOW bass, popular brand and under $200. And can use speaker wire's. Thanks.

As mentioned...to get truly deep bass at higher levels requires horsepower, size and good design. None come cheap. That is why all state of the art subs run well more than $2000. Below that, you are looking at compromises in output, and depth (extension).

Probably the cheapest subs that have decent amount of output with reasonable extension are the Elemental Designs A2-300 and the Acoustech H100. Both around $300. Both have high level inputs (speaker inputs). Below that...save up some money. creative and altec lansing are good brands to go with Depends how LOW is low... for a cheap price.. This is how you define a good subwoofer, how low it can go without distortion.

a sub 200$-one should be around 25-35 Hz

a good sub (~450$) will bring you around 15Hz (SVS)

Those are decent http://www.partsexpress.com/webpage.cfm?...

If you want name brands, look for sales on Klipsch or Polk audio, or lower quality like JBL or Yamaha.

Maybe look at a DYI or used one that can go LOWer for Cheaper Unfortunately, $200 is near impossible to hit unless you buy used. Most good subwoofers ( the ones that do what you want) tend to start in the upper $300 range.

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