I opted for the 5 channel. If I want it I’ll have it and if I don’t need it I can run 3 channels. Besides I’ll be up one 1500 towards the actives.

LFR1100
VP180HP
EP600
M3 In Ceiling x 4
M5OW
M2 - Atmos rears
ADA1500.5
M3 Outdoor Speakers
ADA 1000.8