Walrus Audio Canvas Line Isolator D.I.The Walrus Audio Canvas Line Isolator D. I. gives swift control to players looking to transfer their unbalanced 1 4" cables to balanced XLR outs. Perfect for retaining high audio quality when playing live and plugging into a front of house mixer or when recording and plugging into an interface, this device from Walrus is an infinitely handy piece of gear. The Canvas Mono features mono 1 4" in and one XLR out. Two specially designed transformers are