Speaker – Power Mac G4 Graphite $18.00 Assembly with snap in housing Computer Choice Choose an optionAGP GraphicsDigital AudioGigabit EthernetPCI GraphicsClear Speaker - Power Mac G4 Graphite quantity Add to cart Add to Quote Continue Shopping Category: Case & Internal Parts (G3 to G5) Tag: speaker Description Speaker and housing. Apple number 922-3712, 922-4048, 922-3982. For the Power Mac G4 Graphite models – PCI, AGP, Gigabit, Digital.