DESC: Delphi, a world leader in audio technology, created the first in-dash car radio decades ago and has been responsible for many audio innovations through the years. Delphi technology has helped make satellite radio a reality.The SKYFi™ Audio System is a "boom box" which contains a pair of high quality speakers and docking station for the SKYFi™ receiver.The SKYFi™ Audio System unit can be powered by 6 "D" cell batteries, which allows users to experience XM satellite radio programming in virtually any location, or use an included compact cube AC adaptor, which creates a high quality countertop/bookshelf XM system for the home or office.