I am really stoked! I may have stumbled onto the perfect garage stereo! But, more on that later.
If there is a theme to my DIY shop thread it is function over style and improvement with time. In other words I built the shop initially as storage for tools and projects and a place to get out of the weather. As I have had time, I have worked to improve the shop and make it more fun to work in.
Most recently, I was thinking it was time to finish my gas pump restoration and start on one of my major car projects. However, the shop was suffering from an accumulation of grinding/spraying dust and the detritus of other projects. So, a few weeks back, I decided to clean out the barn, move some stuff from the shop to the barn to make more room and that led to why not take time to finish the east end of the shop. That part of the shop had been in Sheetrock since about the late 90's. I decided that I was probably never going to get to mudding, taping, texturing, and painting that portion of the shop. So, I decided I would borrow an idea from Thomas (Thank you Thomas!) over at the restored 30's auto shop and put up some FRP.

This shows the shop after moving some stuff around to have working room.

This shows what the east end of the shop looked like with the shelves out of the way - unfinished sheetrock and raw wood above the doors.
More on the FRP project later. Of course, while working on this type of project, I like to listen to music in the shop and have relied on an old boom-box driving a pair of restored drive-in theater speakers. Acceptable sound, but the FM reception is somewhat iffy and the CD player quit working. One evening after a day working on the FRP with spotty FM reception, I decided to search for some way to play MP3s from either an SD card or USB drive. Both my pickup and car support this technology and I have converted over 100 albums to MP3 format that I listen to while driving.
I stumbled on this Lepai LP-360 amp and decided to give it a try for $40. It includes an FM receiver, plays MP3s or WMA files from SD card or USB drive, drives 25 watts of power to 4 speakers (2 left, 2 right), has auxiliary input and output.

This is the stereo. It is only about 7 inches wide by 2 inches tall by 5 inches deep.

This picture shows it on the old boom-box shelf with the drive-in speakers off to the side.

I decided the only part of the old boom-box worth saving was the speakers which had been sitting unused on a shelf. I mounted them on the wall in the workbay to get better sound distribution in the shop.
This is a fantastic little unit designed to run off 12 volts, provided by the included 110 volt power supply. It also includes a stub cable to connect to an antenna port. I spliced it to an old extendable antenna that I mounted to the wall above the unit.
More on the FRP project as I finish my cleaning.