

I've had this for years as a spare amp. A known quantity is this Tripath TA2024 amp w/ a regulated linear PS. Requires fairly efficient speakers. Very good sound for small cost. Roughly 6 watts per. These are selling for $180 now w/ the stock SMPS.
I'm asking $125
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Recent review
http://www.6moons.com/audioreviews/trends2/trends.html