M5183 Power Mac G4 Graphite – Speaker $18.00 Assembly with snap in housing Computer Choice Choose an optionAGP GraphicsDigital AudioGigabit EthernetPCI GraphicsClear M5183 Power Mac G4 Graphite - Speaker quantity Add to cart Add to Quote Continue Shopping Category: M5183 Power Mac G4 Graphite Description Speaker and housing. Apple number 922-3712, 922-4048, 922-3982. For the Power Mac G4 Graphite models – PCI, AGP, Gigabit, Digital.