Porsche 911 Carrera 4 Brochure & Specs page 51

BOSE ® Surround Sound System.
lifelike and crystal clear. A 360-
degree sound experience that
The optional BOSE ® Surround is as close to a live performance
Sound System was specially as you could imagine.
developed for the 911 and is
therefore perfectly tuned to the Of course, you can still play
car's specific interior acoustics. traditional music sources such as
A total of 13 loudspeakers (12 in CDs, either in stereo or in one of
the Cabriolet and 911 Targa 4 the surround modes generated by
models), including an active sub- the patented BOSE ® Centerpoint
woofer and central speaker, and system. The algorithm of
a seven-channel digital amplifier Centerpoint ® II extracts a precise
with a rated output of 385 watts, and realistic sound from the
combine to produce a truly stereo signal.
memorable sound experience.
The SurroundStage ® signal
During audio playback from audio processing circuitry developed by
or video DVDs, the system is able BOSE ® assigns each individual
to make full use of the impressive audio channel, whether sourced
sound spectrum of 5.1 digital from a DVD or generated by
recordings. With music in the 5.1 Centerpoint ® , to a selected combi-
format, the sound has already nation of loudspeakers and is
been recorded in a multi-channel therefore able to deliver an opti-
format and is faithfully reproduced mally balanced surround sound
exactly as the original. experience to all seat positions.
Five dedicated audio channels To complement these features,
(front left, front right, centre, the BOSE ® Surround Sound
surround left, surround right) System offers a comprehensive
deliver a sound that is as authen- selection of equaliser presets for
tic as it is natural. The digital customised sound. The dynamic
5.1 surround sound is balanced, loudness function increases bass
levels as you decrease the
volume, thereby compensating for
the decreasing sensitivity of the
human ear at these frequencies.
Moreover, the AudioPilot ® Noise
Compensation Technology uses a
microphone to continuously meas-
ure the ambient noise inside the
7.0 cm centre speaker
vehicle and adapts music playback
® automatically so that a consistent
sound is maintained in all driving
conditions.
In short, welcome to your very
own concert hall – one of the
fastest around.
2.5 cm neodymium tweeter
* Neodymium subwoofer with BOSE
Subwoofer 10.2 cm x 15.3 cm in 8.0 cm neodymium midrange speaker and
a 6-litre bass reflex housing 20.0 cm Nd
Seven-channel digital amplifier
Microphone for AudioPilot ® 2.5 cm neodymium tweeter
8.0 cm neodymium midrange speaker
® patented technology for an extremely slim design and superior bass performance.
The 911 | Comfort
® bass speaker*
911 Carrera/911 Targa 4 instrument cluster
How does the exchange of information with your 911 work?
Sportingly fast, of course.
Instruments.
Each circular dial in the instrument information at a glance. The
cluster – aluminium-coloured in digital display in the centre-left
the S models – provides important dial contains the main and trip
odometers. In the central dial,
the customisable display of the