A subwoofer is extremely important -- at least if you like to feel your sound. The sub is what gives your listening experience a whole lot of oomph. If you've been lacking a subwoofer, you are missing out. Amazon doesn't want you to suffer any longer!

Today they are offering a remarkable deal on the Infinity Classia Powered Subwoofer. This one is a real beauty, packing 400 watts into a super-compact package.

This is a one-day deal, which means this price is only good for today, August 12, 2010 or while supplies last (whichever comes first). Take a peek at the sub and the deal here:

• Infinity Classia Powered Subwoofer: $399.99 Shipped - Save 67 Percent (8/12/2010 only)

The nifty thing about this subwoofer isn't just its slick look or performance, but that it's also wireless. That means it's even easier to match your room decor, because you can actually place the subwoofer where you want. Novel idea, eh? So instead of worrying about how and where to run cables, you just need to connect the included wireless 2.4GHz transmitter to your home theater receiver. Then, match the channel on the receiver with the channel on your subwoofer, and you're in the bass-booming business.

Because it's so easy to place, this member of the Classia series (the PSW310BK model) is also easy to show off. You'll want to do that, too, since it has some seriously nice curves. The unit features a 10-inch CMMD drive and two 10-inch CMMD passive radiators. Other highlights include a 28Hz-150kHz (-6dB) frequency response, an impedance of 8 ohms, and 400 watts with Infinity's own Bass Optimization System. Get more details about the sub and the deal here:

• Infinity Classia Powered Subwoofer: $399.99 Shipped - Today Only (Save $800)

Order today and you can have floor-shaking music and movie action in just a few days. Act quickly though; the deal will be done at the end of the day or whenever Amazon runs out of stock (whichever comes first).