D'Addario EJ16-3D Phosphor Bronze Light Acoustic Guitar Strings - 3-Pack Discovery Series The Butterslax features three channels

The Butterslax features three channels

front panel:

Studio Rack Cabinet

There are two independent headphone outputs on the front

iRig Pre HD works out of the box with iOS devices or Mac and PC

D'Addario EJ16-3D Phosphor Bronze Light Acoustic Guitar Strings - 3-Pack Discovery Series The Butterslax features three channelsGauges: 12 16 24 32 42 53. These acoustic guitar strings feature a computer controlled wrapping around a hex core. D'Addario is the world's largest manufacturer of strings for musical instruments. Many top guitarists won't play any other brand. Regardless of your playing style, D'Addario has a string set that's right for you.