SOLD Jensen Isomax transformer: CI-2RR Two channel ground isolator
This worked very well to eliminate ground hum from my speakers. I have a new amp that does not have a ground pin in the plug so no more ground loop, and I no longer need these.
One for sale. $199 new, asking
$99 shipped USPS Priorityhttp://www.jensen-transformers.com/product/ci-2rr/