PowerBook3,2 Internal Speaker -7.0 PowerBook3,3 Internal Speaker -7.0 PowerBook3,4 Internal Speaker -7.0 PowerBook3,5 Internal Speaker -7.0 PowerBook4,1 Internal Speaker -10.0 PowerBook4,3 Internal Speaker -10.0 PowerBook5,1 Internal Speaker -13.0 PowerBook5,2 Internal Speaker -12.0 PowerBook5,3 Internal Speaker -13.0 PowerBook5,4 Internal Speaker -12.0 PowerBook6,1 Internal Speaker -12.5 PowerBook6,2 Internal Speaker -12.5 PowerBook6,3 Internal Speaker -10.0 PowerBook6,4 Internal Speaker -12.5 PowerBook6,5 Internal Speaker -10.0 PowerMac3,5 External Speaker -14.5 Internal Speaker -7.5 PowerMac3,6 External Speaker -17.0 Internal Speaker -8.0 PowerMac4,1 Internal Speaker -17.0 PowerMac4,2 External Speaker -17.0 Internal Speaker -9.0 PowerMac4,4 Internal Speaker -14.5 PowerMac4,5 External Speaker -17.0 Internal Speaker -9.0 PowerMac5,6 External Speaker -17.0 Internal Speaker -9.0 PowerMac6,1 External Speaker -17.0 Internal Speaker -9.0 PowerMac6,4 Internal Speaker -10.5 PowerMac7,2 Internal Speaker -10.0 PowerMac7,3 Internal Speaker -10.0 PowerMac8,1 Internal Speaker -11.5 PowerMac9,1 Internal Speaker -10.0 PowerMac10,1 Internal Speaker -3.0