As far as I'm concerned, this is the best all in one subwoofer enclosure in the entry level price range. The construction is rock solid. I have mine paired with a Rockford Fosgate 3 ways and components in the front. It balances the sound perfectly and is punchy and clear. I'm still amazed at how much bass comes out of this speaker on most days. It's not competition level sound, but it's the most you'll get without going custom. This guy...