I have a Klipsch ProMedia 2.1 that the subwoofers foam surround had finally given out. This sub matched the TS Parameters closer than any other I found. The Dual voice coil is nice, as it give you the option to run in either 4 ohm or 8 ohm. Essentially giving you a choice between efficiency or more volume. The Materials feel very nice and sturdy for the price point, and the measurements listed match near exactly to real life. I was very impressed with this little sub for $20. Give it a decent enclosure and around 100-200w and you will be blown away with what you can get out of it.
Rating: [5 of 5 Stars!]