If you don't mind a little DIY, you can pick up one of the Sure amplifiers from Part-Express that use TA2025 opamps. Check this out: http://www.parts-exp...number=320-300.
I myself am using the 4-channel version that is basically two of those amps on a single board: http://www.parts-exp...number=320-302.
The 4-channel version I'm using is currently powering 2 self-built bookshelf speakers and 2 6" subwoofers. The amp itself is fantastic - I'm actually not using an enclosure for it since I like having it out for people to look at, but for the 2-channel version, there are plenty of premade chassis available from parts-express and ebay designed for it. You can also go with something like this: http://www.parts-exp...number=300-383.
It's all ready all in one, with separate pre-outs you can use for connecting to a subwoofer amplifier (if the subwoofer has a separate amp). For the Dayton, you'll need a walwart DC powersupply, for the Sure's, you'll need something like this: http://www.parts-exp...Number=320-316.
Edit: Hmm, link aren't working. Here are the part numbers, respectively: 320-300, 320-302, 300-383, 320-316
Edited by DarkScorpion, 29 December 2011 - 02:39 PM.