EP-2 is a passive vol/expression pedal from Valeton Surge series, it features compact size, no need for extra battries or power adapter, you can easily control your instrument volume or some value of your effect with EP-2.
While Valeton may not be a household name, the EP-2 is worth a solid look for anyone who’s just wanting a basic volume/expression pedal to get the job done. The unit, as implied by the name, pulls double duty as an expression and volume pedal; two tasks which it performs admirably.