by noise, do you mean hiss and the occasional chirp? that is from the BBD chips. it shouldn’t be TOO loud, but that noise is part of the reason why they recommend you run it as close to the end of your chain as possible – after all of your distortion.

if it is really bothering you, try taming the treble on your amp (and flip off the bright switch, if you’re using it). if you are running it into a compressor to battle the volume drop, try using a clean boost instead. also, the hiss is FAR louder on some settings – try turning the delay knobs a bit, see if you can find something else you like where there is less noise.

the hoax is a tad noisy, but it shouldn’t be bothersome, and i’ve never been able to hear any hiss while i am playing. if it really comes down to it, just try clicking it off when you are not playing.