Walrus Audio R1 Reverb Black, Effects Pedal, Multi-function stereo reveb, 6 Selectable studio quality reverb types: Spring, Hall, Plate, BFR, RFRCT (Refract), Air, Various modulation- and drive effects depending on the reverb type, Enjoy delicate all the way to drastic modifications of individual parameters, Direct access to the most important parameters, Fine-tuning adjustments via 2 multifunctional controls, Swell function automatically blends into the reverb, Tune knob shapes the amount of low and high frequencies in the reverb signal, ""X"" parameter controls the special functions of the individual reverb types, Direct access to Pre Delay, SUS/LATCH function for sustain and sample effects, 9 Built-in presets (up to 128 via MIDI), Can be operated entirely via MIDI, Controls: Decay, Swell, Mix, Tweak, Prog, Tune, Switches: Rate/Depth/Pre Delay, A/B/C, Lo/High/X, Footswitches: Bypass, Sus/Latch, 2 Multi-coloured status LEDs, 2 Mono/Stereo inputs: 6.3 mm jack, 2 Mono/Stereo outputs: 6.3 mm jack, MIDI In/Out: DIN plug, 3 Various bypass modes: True Bypass, True Bypass + DSP, DSP, Powered via 9 V DC power supply unit (negative polarity inside (not included)), Power consumption: 300 mA min., Dimensions (incl. potentiometers) (W x D x H): 67 x 124.5 x 64 mm, Weight: 0.54 kg, Colour: Black, Made in the USA