Harmony singer 2 lets you supercharge your vocal performance with either one or two harmony singers instantaneously! Conveniently packaged in an easy-to-use stompbox format, harmony singer 2 provides your choice of 8 Harmony styles – all controlled via your guitar. Also included are studio-grade reverbs, our proprietary adaptive tone, and hands-free mic gain setting, making harmony singer 2 a must-have for any band or solo artist. Features: vocal effects stompbox featuring guitar-controlled harmony and reverb Plus battery-powered operation adds one to two voices of realistic vocal harmony guided by your guitar superb reverb effect with three styles sweetens your vocal presentation adaptive tone for perfect EQ, compression, De-essing and Gating optional battery power operation frees you from winding up cords at the end of the night harmony on/off foot switch for quick performance control includes on/off switch and a talk mode for speaking with your audience intelligent mic input gain for quick and painless setup eight harmony styles provide flexibility to suit almost any musical style compatible with remote mic control using the TC Helicon mp-75 or Sennheiser* E835 FX microphones.