Integrate your stompboxes into your studio rig the easy way! The EXTC module converts line-level signals to hi-Z, and back again. This means you can put your favorite pedals with your pro-quality studio gear and get the most out of both worlds. The EXTC also ensures that your return signal is in phase. You'll love this one! Radial EXTC Guitar Effects Interface Features: Balanced interface for guitar effects pedals Separate send & receive controls optimize signal path Transformer isolated send eliminates ground loops Creative tool helps set your mix stand