Sound Package Plus, with eight loudspeakers and a total output of 150 watts, delivers excellent sound. The amplifier integrated into PCM optimally adapts the acoustic pattern in the vehicle interior to the driver and passenger.
The optional BOSE® Surround Sound System has been specially developed for the 911 models and is optimally tuned to the specific interior acoustics of these particular vehicles. The audio system features 12 loudspeakers and amplifier channels including a patented 100-watt subwoofer integral to the vehicle bodyshell. This fully active system setup enables each individual loudspeaker to be optimally adapted to the vehicle interior. Total output: 555 watts. Should you ever want to drown out the resonant sound of the engine. For whatever reason.