Hello again Frank, The 5i without the SE upgrade is already more dynamic across the board than the ARCLs22. It's also more natural sounding and dimensional sounding especially in the mids. The ARC had that glare in the upper mids that got in the way of the music compared to the BAT. I haven't heard the BAT VK5i with the SE upgrade. I do however have the VK50se and if the 5ise is even close to the 50se I'm sure you will not be disappointed. If you get a chance please get back to me and let me know how you make out. Good luck, Tom
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