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Volkswagen factory amplifier details and pin assignments

Multi-pin connector A, 24-pin

1 –  Rear left treble loudspeaker, positive
2 –  Rear right bass loudspeaker, negative
3 –  Rear right bass loudspeaker, positive
4 –  Rear left bass loudspeaker, positive
5 –  Rear right treble loudspeaker, negative
6 –  Rear right treble loudspeaker, positive
7 –  Rear left treble loudspeaker, negative
8 –  Front left bass loudspeaker, negative
9 –  Front left bass loudspeaker, positive
10 –  Rear left bass loudspeaker, negative
11 –  Front right mid-range loudspeaker, negative
12 –  Front right mid-range loudspeaker, positive
13 –  Not assigned
14 –  Audio signal input, rear left, negative
15 –  Audio signal input, rear left, positive
16 –  Not assigned
17 –  Audio signal input, rear right, negative
18 –  Audio signal input, rear right, positive
19 –  Control in (optional)
20 –  Audio signal input, front left, negative
21 –  Audio signal input, front left, positive
22 –  Not assigned
23 –  Audio signal input, front right, negative
24 –  Audio signal input, front right, positive
Multi-pin connector B, 23-pin
1 –  CAN low
2 –  Front left mid-range loudspeaker, negative
3 –  Front left mid-range loudspeaker, positive
4 –  CAN high
5 –  Not assigned
6 –  Front left treble loudspeaker, negative
7 –  Not assigned
8 –  Not assigned
9 –  Front left treble loudspeaker, positive
10 –  Not assigned
11 –  Front right bass loudspeaker, positive
12 –  Front right bass loudspeaker, negative
13 –  Not assigned
14 –  Not assigned
15 –  Front right treble loudspeaker, positive
16 –  Voltage supply, negative
17 –  Not assigned
18 –  Front right treble loudspeaker, negative
19 –  Voltage supply, negative
20 –  Voltage supply, positive
21 –  Voltage supply, positive
22 –  Voltage supply, negative
23 –  Voltage supply, positiveF

amplifier_pin_assignments_N91-0336

The sound system amplifier extends the sound range of the radio unit or radio navigation system.

It is available as optional equipment for appropriate radio units and radio navigation systems.

The amplifier is an 8-channel system.

The signal inputs on the amplifier are activated by the loudspeaker outputs of the radio unit or radio navigation system.

The amplifier is installed under the left front seat.

Factory Amplifier Pin Assignments

Multi-pin connector A, 24-pin

1 –  Rear left treble loudspeaker, positive
2 –  Rear right bass loudspeaker, negative
3 –  Rear right bass loudspeaker, positive
4 –  Rear left bass loudspeaker, positive
5 –  Rear right treble loudspeaker, negative
6 –  Rear right treble loudspeaker, positive
7 –  Rear left treble loudspeaker, negative
8 –  Front left bass loudspeaker, negative
9 –  Front left bass loudspeaker, positive
10 –  Rear left bass loudspeaker, negative
11 –  Front right mid-range loudspeaker, negative
12 –  Front right mid-range loudspeaker, positive
13 –  Not assigned
14 –  Audio signal input, rear left, negative
15 –  Audio signal input, rear left, positive
16 –  Not assigned
17 –  Audio signal input, rear right, negative
18 –  Audio signal input, rear right, positive
19 –  Control in (optional)
20 –  Audio signal input, front left, negative
21 –  Audio signal input, front left, positive
22 –  Not assigned
23 –  Audio signal input, front right, negative
24 –  Audio signal input, front right, positive

Multi-pin connector B, 23-pin

1 –  CAN low
2 –  Front left mid-range loudspeaker, negative
3 –  Front left mid-range loudspeaker, positive
4 –  CAN high
5 –  Not assigned
6 –  Front left treble loudspeaker, negative
7 –  Not assigned
8 –  Not assigned
9 –  Front left treble loudspeaker, positive
10 –  Not assigned
11 –  Front right bass loudspeaker, positive
12 –  Front right bass loudspeaker, negative
13 –  Not assigned
14 –  Not assigned
15 –  Front right treble loudspeaker, positive
16 –  Voltage supply, negative
17 –  Not assigned
18 –  Front right treble loudspeaker, negative
19 –  Voltage supply, negative
20 –  Voltage supply, positive
21 –  Voltage supply, positive
22 –  Voltage supply, negative
23 –  Voltage supply, positive

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