This post show you the configuration of Land Rover 825 watt surround sound system retrofit by JLR SDD diagnostic software.
Land Rover Discovery 4 Parts:
3 SRS speaker
825 watt amplifier
Amplifier wire harness
D-pillar plaque
L405/L494 Parts:
3 tweeters
3 woofers
2 net shell
825 watt amplifier
Wire harness
Procedures:
According to the diagram install speakers and harness.
Change CCF
Change value to “Advanced Audio System”
Small central speaker
Audio brand—Advanced Audio System
Note:The amplifier need be flashed on high configuration Land Rover,otherwise it will can not work on your car.(can not download files and without sound)