JBL Grand touring series User Manual page 29

2
System 3
Add a Second GTS
Get more power and system
control by adding a second
GTS18Ox to power the main
speakers and subwoofers
individually. Use the built-in
crossover to high-pass the
front speakers and low-pass
the subwoofers.
Next Step:
Add power to the rear full-
range speakers.
Note: For non-fading
bass, also connect the
rear-channel head unit
speaker output to the
speaker level input of the
subwoofer GTSlSOx.
System 4
Add Power to the Rear
Add an amp to the rear
speakers for higher volume
capability and more control.
Next Step:
Add more subwoofer power