This product really works!I'm a Ham Radio Operator with a considerable collection of vintage tube type receivers, many of which have audio hum in the headphones line due to design errors.

Great deal and great product

So for taking care of AC hum it does a great job, however it does make more noise if your using this in conjunction with DC pedals, so in short know what your doing before tossing it because it is a great product for the buck.

Good product

great product, works like I payed $100

I moved on to 2 Temple Audio pedal boards, fantastic product concept

I installed this product between a patchbay and guitar pedal board and, although there may be a slight improvement in the hum, this did not work for me

This product made the hum 10x worse

This product did eliminate the ground loop noise, but it also sacked out most of the high end of all my guitars and basses

Its a great product and should be used in every system.

also the product had a lil rattle to it when i shook