B-Stock, KSR Vesta Guitar Preamp; Effects Pedal for Electric Guitar; 3-Chanel Preamp based on legendary 80's & 90's Amp Tones; smooth, chunky, thick, and more low-mid focused; great for Classic Rock & Blues Crunch as well as 90's High Gain Tones; Controls: Level (Clean), Level (Rhythm), Level (Lead), Tone (Clean), Treble (Rhythm), Middle (Rhythm), Bass (Rhythm), Gain (Rhythm), Treble (Lead), Middle (Lead), Bass (Lead), Gain (Lead), ; Push Buttons: ; Switches: Clean/T.B./Buffer, Bright (Rhythm), Feel (Rhythm), Mode (Rhythm), Bright (Lead), Feel (Lead), Mode (Lead); LED: Effect On/Channel; Display: ; Footswitches: Effect Bypass, Rhythm/Lead; Connections: Input (1/4" Jack), Output (1/4" Jack), Cntrl (1/8" TRS Jack); Power Supply connector: Barrel Connector 5.5 x 2.1 mm, center negative; Current Draw: 200 mA; powered by a 9 V DC Power Supply (not included); suitable optional Power Supply: Item no. #409939; switchable True/Buffered Bypass; Dimensions (W x D x H): 144 x 124 x 57 mm (5,67" x 4,88" x 2,24"); Weight: 610 g (1,34 lbs); Made in USA; Note: Battery operation is not supported, B-Stock with full warranty, may have slight traces of use