Why is the SRM450v3 for you? Having an active speaker or two on hand is always a good idea for a gigging musician and they don't get much more versatile than the SRM450v3. You're always coffeehouse-gig ready with an on-board mixer that has two channels of Mackie's Wide-Z preamp...
The quoted frequency response for the MR5 Mk2 is 50Hz to 20kHz, and the specs claim a maximum SPL per pair of 116dB (at one metre). The MR8 Mk2 uses an eight‑inch woofer, again alongside a one‑inch, silk‑dome tweeter. Up to 100W is available for driving the woofer and up ...
Tech Specs Powered:Yes Power Configuration:Bi-amped LF Driver Size:1 x 12" HF Driver Size:1.75" Total Power:2000W Inputs:1 x XLR/TRS Combo, 1 x Stereo (RCA) Frequency Range:38Hz-20kHz Maximum Peak SPL:128dB Enclosure Material:PC-ABS ...