FEATURES Pure Looping with unlimited overdubs Easy set up with Intelligent Mic Gain Total control � with 2 Switches or Mic ControlTM You can use Ditto Looper with other vocal processors like TC-Helicon�s Harmony Singer or Mic Mechanic. Add effects into the chain before Ditto Looper to alter the sound of your loop and even change sounds between layers. Or, add your effects to the chain after Ditto Looper to sonically change your loop at any moment.