The Soundblox Guitar Envelope Filter offers an extensive set of filter effects controllable both with the Hot Hand Motion Controller Ring or as an envelope follower. The pedal features 21 different envelope filter effects, including 2 Pole and 4 Pole Low Pass variations, Single Peak, Triple Peak, Peak/Notch variations, as well as Phaser settings. All Soundblox effects pedals are compatible with the Hot Hand Motion Controller — available separately in wireless or wired configurations. Soundblox pedals provide a wide variety of original sounding effects in a sleekly designed, rugged package that is easy to use and highly flexible.