Complete speaker & microphone assembly for 1GHz, 1.2GHz, 1.33GHz, 1.5GHz & 1.67GHz (1280x854 screen) models of the 15" Aluminium PowerBook G4. This unit will not fit the dual layer Superdrive version (1440x960 screen) of the 1.67GHz PowerBook. This assembly includes the left, right & sub-woofer speakers, the microphone and associated cabling. The unit connects to the DC-in/sound card via a single connector.