I'm selling my 400rbIV. This is the new model GK. I'm sure some of you have read about my problem in the amp section. It turns out that I just don't have enough headroom for what I want. This amp is in the exact same condition as when I bought it. I have put in no more than 5 hours on it and never gigged with it. I got it for $489 + tax at GC, I'd be willing to let it go for $460 shipped. This is amp is in as new condition. I'd also be willing to trade for another amp or pre. Just PM me for any deals. Thanks.