Walrus Audio Canvas Rehearsal Headphone Amplifier Effect PedalPractice makes perfect, after all! The Walrus Audio Canvas Rehearsal is an all in one device designed to maximize your practice time. This little Walrus wonder, a headphone amp by design, is packed with a number of killer features to best utilize your personal practice time. As a headphone amp, the Walrus Canvas Rehearsal is fitted with two " outputs and one TRS stereo headphone output. These outputs enable the Canvas Rehearsal to be played through