I have a Kemper "toaster" and I take it out to gigs so this seemed like the obvious choice. Alright, so it's a little on the pricey side for what it is, but I like the fact that it's got the Kemper logo and it fits! It's actually roomier than it needs to be. I've heard some people say that they can also fit their Kemper Remote in with the toaster, but I keep my Remote on a floorboard. Both the bottom and the top panels of the bag have zips, presumably so you can fit the Kemper inside facing upwards and then leave it in there permanently, unzipping the top and bottom panels and folding them out of the way to connect cables at the gig. I tried this for a while and it does work, but it's a tight fit this way and a little awkward to fit the cables, so I've gone back to using the bag just for transporting the Kemper and lifting it out at gigs. It's fairly robust, with tough nylon zips and decent padding. I have actually dropped it with the Kemper inside once and it did a good job of protecting it. Thank goodness! Finally, it has three very roomy pockets, for cables, leads, whatever. I'm glad I bought it and would definitely recommend it.
If you have the lunchbox format profiler and need a way to carry it you should probably have this bag - the profiler is kept securely in the main compartment and there's plenty of space in the lid and front and side pockets for other bits and pieces. I keep a full duplicate of everything I need for gigs (power lead, audio snake, mic leads) in the bag so I can just unplug the profiler from its normal place in my studio and drop it in for gigs, nice and simple.
The bag itself is very solidly made, it's a soft case but semi-rigid in the way a high end camera bag is. There's enough padding that I'd not worry about chucking it in the back of the car (actually, come to think of it, I do exactly that quite regularly) or leaving it lying around before gigs. Front and side pockets secure with a decent amount of velcro, I'd have maybe liked to see zipped pockets here but you can use the internal one in the lid for anything particularly valuable (there's about an inch of clearance once the profiler is in). The shoulder strap, which I don't really use, seems solid enough and well padded, and the bag has rubber feet so you don't worry too much about where you're putting it down (it also seems quite beer / rain resistant, although I wouldn't want to try submerging it).
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