The MSA5500 certainly has those distinctive McIntosh genes, evidenced by the amp's glowing blue Watt meters, black glass frontage, rotary control knobs and illuminated company logo. The MSA5500 ...
A regular Hack A Day reader sent in a tip about an LM386 stero amplifier with digital volume control. The resulting build is very professional and could easily be adapted into a slick iPod dock build.