+1 for Soundcraft, but you are comparing Mackie Onyx 3280 (8 Bus mixer) against a (4 Bus mixers).
among the 3 I will choose Mackie Onyx 3280.
hindi po ba 7 bus ang LX7ii sir?
Features
32-channel frame size
GB30 mic preamps
Precision equalization circuitry
True 7-bus architecture2 stereo inputs
2 stereo returns
Channel direct outputs
6 aux sends, 4 of which are pre/post switchable
Integral universal voltage, switched-mode PSU for light weight
Talkback facility
100mm faders
+48 phantom power
18dB/octave high pass filter
Group and mix inserts
12-segment LED metering
41-2/5"W x 6-1/2"H x 19-4/5"D