Powerful 3-button stompbox combines studio quality vocals, pristine guitar effects and amp emulation and creative looping. Seven professional vocal effects and tone processing with intuitive control. Sonic smorgasbord of legendary guitar effect styles from TC ELECTRONIC. Premium amp emulations in 25 amp styles. VLOOP performance looper with undo/redo and unlimited overdubs.Hundreds of song- and artist-inspired vocal presets to fit your musical style. Aux input with Vocal Cancel lets you plug in an MP3 player and practice with your favorite music. USB for streaming audio, preset downloads and firmware updates. Compatible with remote Mic Control using the TC HELICON MP-75, MP-76 or Sennheiser* e835 FX microphones. Optional SWITCH-3 or SWITCH-6 foot switch for more performance control.