Basically i have never had equipment with the ability to have crossover frequencies set so this is uncharted waters.
Basically this is what i have now.
JBL Venue Stadium
Frequency Response: (-3 dB) 36 Hz-20 kHz
Crossover Frequency: 300 Hz, 4000 Hz
JBL Venue Monitor
Frequency Response: 68 Hz - 20 kHz (-3 dB)
Crossover Frequency: 3000 Hz
JBL Venue Voice
Frequency Response 70Hz – 20KHz
Crossover Point 3500 Hz
Athena AS-P4100 Sub
Listed Range 23hz-120hz
Current Set to 80hz