You can fill a DJ booth with the best record and CD decks, screw the perfect cartridges onto your turntables and plug a fine pair of headphones into your mixer of choice, but without a soundsystem, it's really all just metal and plastic. And if you've spent any time in a club with too little sound, too much sound or too much distortion—in other words, a club without a good soundsystem—you may wish none of it had ever been wired up in the first place.