Amplifiers And Speakers - BMW F01 Manual

Amplifiers and Speakers

The speaker systems on the F01/F02 are available in two versions:
• HiFi system (Standard)
• Top-HiFi system. (Option)
The HiFi system is the standard audio equipment for the F01/F02 . The HiFi system is
equipped with a 8-channel amplifier with digital equalizer. However only 7 of the 8
channels are used in the HiFi system.
The central bass speakers are located under the front seats. They are coupled to the
side sills (rocker panels). That increases the resonance volume necessary for bass
reproduction.
The head unit CIC can be combined with any of the two amplifier/speaker systems.
The HiFi and Top-HiFi systems feature separate speakers for the treble and midrange
frequencies.
Even though the diameters of the speakers in the HiFi and Top-HiFi systems are the
same, there are differences in the power output of the speakers. This is achieved by the
use of different materials for the diaphragms, coils and magnets. The designations HiFi
and Top-HiFi are used in the table in the next page to distinguish the systems.
The Top-HiFi system achieves double the sound level of the HiFi system.
A digital 10-channel amplifier is used in the Top-HiFi system. However only 9 of the 10
channels are used in the Top-HiFi system.
The Top-HiFi system supports playback of multichannel formats. Multichannel audio
formats can be played back with the player in the CIC or with the 6 DVD changer.
Optimum audio reproduction in the vehicle is achieved by way of complex digital signal
processing.
The HiFi system has 12 speakers while the Top-HiFi system has 16 speakers each with
different auxiliary amplifiers.
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F01 Audio Systems