MOOER Audio GREEN MILE Tube Screamer Guitar Pedal. The Mooer Green Mile Overdrive Guitar Effects Pedal is based on the legendary tube sound, and packs and incredibly big sounds into a very small package. Two modes give the flexibility to switch between a warm tube drive sound with the natural dynamic response of a classic tube amp and a hot mode that gives more power and crunch. The Green Mile uses the classic JRC4558 chip. 2 Modes: Warm Hot Warm: Reconstruct a warm tube drive tone and nice dynamic response of classic tube amplifier, it provides a natural, smooth, creamy overdrive sound. Hot: More powerful output than Warm mode, mighty crunch tone. MOOER Green Mile Features and Specifications Mooer Audio micro effect pedals pack an incredibly BIG sound into a very small package. Very small and exquisite Full Metal Shell True bypass Specifications Input: 1/4” monaural jack (impedance: 1M Ohms) Output: 1/4” monaural jack (impedance: 470 Ohms) Power Requirements: AC adapter 9V DC (center minus plug) Current Draw: 40 mA Dimensions: 93.5mm (D) 42mm (W) 52mm (H) Weight:160g Accessories: Owner’s Manual