Polk Audio miDock Studio iPod Sound System for $89.00 shipped. The miDock Studio operates while plugged in to AC or with batteries (8 C batteries, not included), and charges the iPod while it is docked. An Apple iPod port allows for uploading songs without having to undock the iPod. It also comes with a remote control for changing tracks and control volume. Most places have this system for $149 or more.