Check the listing for details. Walrus Fundamental Series: Tremolo Pedal. Condition: New. Listed at 129.99 USD. Walrus Audio Fundamental Series Tremolo Pedal Description For the Fundamental Series, Walrus Audio challenged themselves to design a set of pedals with the tonal integrity that’s required to live on a professional’s pedalboard, but with simplified controls friendly enough for even the newest effect pedal users. Each Fundamental pedal has 3 sliders for tweaking the sound and a three-way switch for changing pedal modes. The result is a line of 8 pedals that will keep you covered from your first band practice all the way to a sold-out arena. Designed and assembled at Walrus Audio headquarters in OKC, OK. The Fundamental Tremolo is a classic optical tremolo, giving you that iconic chewy movement. With 3 wave shapes to select from, you can get sounds from smooth and soothing to glitchy and crazy. Features Rate – The Rate slider sets how fast or slow the LFO is oscillating.Depth – The Depth slider controls the strength of the tremolo effect. Volume – The Volume slider sets the overall output volume of the pedal.Slide Switch – The slide switch allows you to change between 3 distinct oscillator waveforms: Sine, Square, and Random.Bypass Switch – Turns the effect on and off. Bypass LED - Illuminated when the effect is engaged. Input Jack - 1/4 inch cable from the instrument.Output Jack - 1/4 inch cable to amplifier.9v Jack – 9-volt DC, Center Negative, 100mA min. Not Included Attributes Output (X): 1/4"Input (X): 1/4"True Bypass (X): YesStereo/Mono (X): MonoColor (X): BlackEffect Type (X): TremoloModel Name (X): Fundamental Series Tremolo