Ebtech Hum-X Ground Hum Eliminator Peter Kauffman A Apogee Quartet 4x8 USB

A Apogee Quartet 4x8 USB Audio Interface for Mac and iOS in Mint condition

Velcro padding

We tested it with a universal power supply from Hosa

A Furman PL-Plus C Rack Mount Power Conditioner in Excellent condition

Ebtech Hum-X Ground Hum Eliminator Peter Kauffman A Apogee Quartet 4x8 USBA Ebtech Hum X Ground Hum Eliminator in Very Good condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you are getting. We always picture any and all accessories too. What you see is what you will get so please check out the pictures! Everything we sell has been tested and is fully functional unless otherwise noted. We have a 5 star rating from 1000+