Don't overlook PA1000. You can load all your PA4X info. and have a mini 4x. It doesn't have all the bells and whistles of the 4x but it's lightweight and packs a big punch.
MEL
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KORG PA1000, KORG PA900, 2 BOSE S1 PROS, 2 BOSE L1 COMPACTS, YAMAHA STAGEPAS 500, ROLAND VP7