Merlin VSM w/ BAM

Can anyone describe the sound of this speaker, its various generations, its sound with the BAM, without the BAM and the benefits of the battery BAM? Is there any other speaker which sounds similar? What electronics mates and/or digital gear mates well with it?
nice advice deiveaudio.Just want to make a sale.This guy wants quick on-line advice.I like to gather as much info.before I preceed to the next step.Maybe he wants to buy used on the net anyway and mot pay dealers full retail prices!