Zoom Multi Stomp MS-70 CDR, multi effects unit for e-guitar a-guitar and bass, 86 chorus delay and reverb effect types, up to 6 simultaneous effects, 50 presets, built-in chromatic tuner, stereo inputs and outputs, USB connection for updates, EQ tuned frequency bands for guitar, EQ with tuned frequency bands for bass, weight 350 grams without batteries, using 2 x AA/LR6 batteries or the optionally available AC adapter Zoom AD-16 # 105835, dimensions 130.3 (D) x 77.5 (W) x 58.5 (H) mm.