Keeley Verb o Trem Workstation, Effect Pedal for Electric Guitar, Reverb / tremolo / modulation, Developed in collaboration with Eddie Heinzelman, Combines the sound of old-school amp reverb and trem in a compact pedal, Includes Keeley's popular Spring Chamber and Plate Reverb algorithms as well as Tremolo and other effects, Tap Tempo function, 8 Reverb algorithms: 2 Spring, 3 Spring, Plate, Hall, Chamber, Room, Fugue and Slapback, 8 Tremolo / Modulation Effects: Sine Trem / Square Trem / Harmonic Trem / Dynamic Trem / Pitch, Both effects can be used together or separately, True bypass, Tap footswitch, Metal housing, Status LED, 1/4"" Mono jack input / mono output / stereo output, 6.3 mm TRS Tap / EXP inputs, Power supply via 9 V DC power supply (2.1 mm x 5.5 mm barrel connector, polarity (-) inside) (not included), Power consumption: 170 mA, Dimensions (L x W x H) 99 x 120 x 53 mm, Weight: 425 g, Made in USA@+*Note:* Battery operation not supported.@+@+*Reverb Section:*@+@+, Controls for Level, Decay, Morph and Effect Blend, 8-Way Reverb Select rotary switch, Reverb footswitch@+*Tremolo / Modulation Section:*@+@+, Level, Rate, Depth, and Morph controls, 8-Way Mod Select rotary switch, Mod footswitch@+*Note:* Register your product at www.w-distribution.com/Warranty and extend the warranty to 4 years.