20-Watt Beer Sound Amplifier Makes Perfect Sense, ReallyBeer + music + electricity = Ultragoodness. You can't go wrong with that formula and this do-it-yourself 20-watt Heineken Draught Keg Guitar Amplifier hits all the right chords perfectly. For $119, and looking this good, it's the perfect present for any drunk guy who loves beer, music, and whose birthday is just around the corner. Yes, that would be me. 20-Watt Beer Sound Amplifier Makes Perfect Sense, Really You can connect anything you want-MP3 players, guitars, bass guitar, your tongue-then plug it into any regular electrical outlet, and start rocking with glorious tin-can sound. [Etsy via 7Gadgets]