Promedia 4.1 (Old) in Personal Music Systems Posted January 11 Emmett: Welcome to the forum. When I tried to buy the ProMedia 4.1 they had just sold out so Klipsch offered and I bought what they called the "4.2" system. It is two 2.1 systems with a new label. I still use them but as two separate systems with one of them having an issue somewhat like you describe - I found that both sub drivers had the foam on the driver rims that was deteriorated so bad the driver was flopping around on the voice coil. Problem was solved with new parts from Klipsch service department. If you end up scrapping the 4.1 system you can use a pair of 2.1's - have better bass but you do need a place to put the second sub-woofer. Good Luck!