Gallic Bluetooth audio house SuperTooth wants you to buy its Disco speakers in pairs to better show off its stereo prowess, not to mention make a little more cash. That's why it's outing the Disco Twin here at CES, a $199 pair of noisyboxes that offer discrete left and right stereo -- each pumping out 16 watts of RMS power. You'll be able to squeeze up to four hours of juice out of each one if you use them to host a (short) rave, or up to 10 hours in more serene circumstances. At the same time, it's also releasing the HD Voice, an $89
