Following Disco 2 -- a speaker originally slated to have the ability to do stereo output when paired with another unit -- SuperTooth has released Disco Twin ($199). Shipping as a pair, you get speakers that are designed to do left and right channel audio, wirelessly. The dimensions are identical to those of Disco 2, as are the physical control buttons on top. One big difference is that this model uses Bluetooth 3.0, instead of the more advanced Bluetooth…
