Has anyone been clever enough to 'make' a filter for beolabs just like the filter from the BL2, with switches and all? It would be a lucrative thing to produce and sell if you ask me. I really need a sub but don't want BL2...

There is the new sub woofer coming that will be cheaper. On making one's own, you don't need the filter if using with a Beovision so the market is a little limited. There are a number of sub woofer filters around if you look in google.

I suppose you have a point. I have a Beovision, but the sound is different from the card as opposed to the Beosound so i guess i'm looking for a filter, the new sub won't be suitable for Beolab 1's i don't think... do you have any particular suggestions for a subwoofer filter i could use?