Multichannel, stereo, monoblock, all considered. I just got a pair of Polk LSi15's for my bedroom and I borrowed Aragon 2004 from my DQ10 setup. I would need to add at least 2ch amp to my collection now as I do need to power both sets of speakers. Multichannel amps welcome as well, I am planning to add a centre channel and possibly surrounds later on. I would like to keep it under $500 if possible but will consider spending more for decent multichannel amp. E-mail email@example.com for fastest response.