Audi Q7 2017 Manual page 62

Bose Sound System with 3D sound (9VS)
The BOSE Sound System with 3D sound has 19 speakers.
Four of these speakers are installed high up in the vehicle
and produce the third dimension of the 3D sound.
Right Front Treble
Speaker
R22
Right Front Speaker
R3
Center Speaker
R208
Center Speaker 2
R219
Left Front Speaker
R2
Left Front
Treble Speaker
R20
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Left Front Treble
Speaker 2
R220
Left Front Mid-
range Speaker
R103
The 15-channel amplifier has a power output of 558 watts.
Left Front
Bass Speaker
R21
Right Front Treble
Speaker 2
R221
Left Rear
Bass Speaker
R15
Left Rear
Treble Speaker
R14