BMW F01 Manual page 70

The following chart explains the two available sound systems for the F01/F02:
Number of speakers
Output of 7-channel
HiFi amplifier:
Output of 9-channel
Top-HiFi amplifier:
Sound pressure
Bandwidth
Linearity
Tweeter
Manufacturer
Mid-range speaker
Manufacturer
Woofer
Manufacturer
70
F01 Audio Systems
HiFi system
12
2 - woofers (2 Ohm)
5 - mid-range speakers (4)
5 - tweeters (4 Ohm)
205 W
2 - 40 W (2 .) Bass
5 - 25 W (4 .) Mid-range/treble
>104 dB as from 50 Hz
30 Hz up to 20 kHz
+/-4.5 dB
26 mm (Medium)
Denon & Marantz PSS
100 mm (Medium)
Denon & Marantz PSS
217 mm
Denon & Marantz PSS
Top-HiFi system
16
2 - woofers (2)
7 - mid-range speakers (4)
7 - tweeters (4)
600 W
2 - 125 W (8.) Bass
7 - 50 W (4.) Mid-range/treble
>110 dB as from 40 Hz
20 Hz up to 20 kHz
+/-3 dB
26 mm (High)
Denon & Marantz PSS
100 mm (High)
Denon & Marantz PSS
217 mm
Denon & Marantz PSS