Matthews Effects Astronomer v2 Reverb, Effect pedal for electric guitar, Reverb, 2 Rows with identical controllers allow switching between 2 different settings, 2 Slide switches on the side of the pedal to select one of 3 reverb effect constellations of each row: Canis Major (EchoVerb), Orion ( reverb with adjustable ""shimmer"" effect) and Ursa Major (chamber reverb), Alternate and bypass footswitches can be remotely controlled via the alternate input jack using a stereo jack cable, True bypass, Controller: 2x Mass, 2x Glow, 2x Travel, Switch: Top & bottom effect constellation, LED: Effect on/alternate setting, Foot-switch: Bypass effect/alternative setting, Input: 6.3 mm Jack, Output: 6.3 mm Jack, Expression Input: 6.3 mm Stereo jack, Alternate input: 6.3 mm Stereo jack, Mains adapter connection: Hollow plug socket 5.5 x 2.1 mm, minus pole inside, Current consumption: 100 mA, Power supply via 9 V DC power supply unit (not included in delivery - suitable power supply unit: Article Nr. #409939#), Dimensions (W x D x H): 66 x 122 x 36 mm, Made in USA@+*Note:* Battery operation is not supported.