I have a set of Harman/Kardon Pro speakers for sale $18 shipped. This is a 2.5mm speakers that can be hooked up to these macs.
Power Mac G4 (Digital Audio)
Power Mac G4 (Quicksilver)
Power Mac G4 (Quicksilver 2002)
Power Mac G4 (Mirrored Drive Doors)
Power Mac G4 (FW 800)
iMac (Flat Panel)
iMac (17-inch Flat Panel)
iMac (1GHz Flat Panel)
iMac (USB 2.0)

For those who are more skilled, can hack the wires and run an external amp so this speaker can be used on any device. These speakers are in great condition,barely any scratches. If interested please e-mail me at

Andrewhsu117@hotmail.com