As one of its daily deals, Price Plunge offers the XtremeMac Soma Portable Stereo Speaker Stand with Dock for iPod, iPhone, and iPad, model no. IPU-STR-11, for $15.99 plus $3.99 for shipping. That's the lowest total price we could find by $5. It features a push-in or pull-out dock and it's compatible with iPad, iPod, and iPhone. As it's powered by the docked device, this speaker doesn't require any batteries or adapters. Deal ends today.