Never heard one, but interesting:

From: http://www.fenderusa.com/store/fenderstore.php?ISC=1&product=0221200000

"The ultimate in battery powered portable amplifiers, this is the amp for musicians on the go. The Amp Can (pat. pending) was created for the player looking for a small, rugged, high quality amp for acoustic guitar, voice, electric guitar, keyboard, etc....

Specs: 15w RMS, battery or AC powered, one Fender Special Design 6" speaker. Features: two fully independent channels (guitar and line- with distortion/mic), line/mic channel has 1/4" input that will accept an assortment of microphones, synths, drum machines, etc.... battery charger included. Weight: 13 lbs. Sizes: 8.75" H x 7.75" W x 6.75" D"

Ed