JC,

I have the 450v2s. I LOVE the sound and 40 lb weight. I like the design that allows for different configurations on the floor. I've also mounted them a couple times. IMO, much better than PD, L1 and Stagepas, which I have also owned and played live with.
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Yamaha 920 / Yamaha DGX-670 / Maui 5 Go (2) / Senn e935 / Sony C80 / Tascam DP24sd / ATEM Mini Pro switcher (studio)