Solar Guitars Chug Tuner+ Booster; Effects Pedal for Electric Guitar; is the optimum stage and studio solution for the modern guitarist to Tune, Boost, Filter Low Frequencies, Buffer and Split Signal; +/-1c accuracy tuner with super-fast response; selectable drop tune modes; The Boost/EQ section is foot-switchable with a healthy +20db while the High Pass filter EQ can be bypassed or set to familiar 720hz & 1k settings; the buffered signal is split to both outputs with output 2 having the option to bypass the Boost/EQ section; Controls: Gain; Push Buttons: Pitch, Flat, Ground Lift; Switches: Effect-Thru/Out 2, Boost Frequency, On-Mute/Tuner; LED: Effect On, Mute; Footswitches: Boost, Mute; Connections: Input (1/4" Jack), Output (1/4" Jack); Power Supply connector: Barrel Connector 5.5 x 2.1 mm, center negative; Current Draw: 75 mA; powered by a 9 V DC Power Supply (not included); suitable optional Power Supply: Item no. #409939; Dimensions: (W x D): 70 x 120 mm (2,76" x 4,72"); Note: Battery operation is not supported