I guess this could go in "Pickups", "The Rig"... "General Discussion", "Hardware"...
https://reverb.com/item/563382-grass-roots-by-esp-gr-lp-30c-m-mini-les-paul-built-in-amplifier-speaker-white
http://www.ebay.com/itm/381261845208?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
It appears to be a small 20"-scale "Grass Roots" Les Paul beginner guitar, they're apparently a ESP offshoot. But instead of the neck pickup they've got a SPEAKER in there. They probably intend it for practice - I can do without the guitar. But if you had a decent speaker in there (or two computer speakers?) and could get enough juice to it, it seems like you could get an infinite sustain thing working. Hmmm. I have a crate full of them little speakers...
https://reverb.com/item/563382-grass-roots-by-esp-gr-lp-30c-m-mini-les-paul-built-in-amplifier-speaker-white
http://www.ebay.com/itm/381261845208?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
It appears to be a small 20"-scale "Grass Roots" Les Paul beginner guitar, they're apparently a ESP offshoot. But instead of the neck pickup they've got a SPEAKER in there. They probably intend it for practice - I can do without the guitar. But if you had a decent speaker in there (or two computer speakers?) and could get enough juice to it, it seems like you could get an infinite sustain thing working. Hmmm. I have a crate full of them little speakers...