The "Moby Depth" is basically a spring reverb, but with many adjustments that make it unique among other reverb guitar pedals. Push it in the deep to feel like you're wandering in a whale. Main features are: AccutronicsTM (Belton) digital reverb technology Tone shaping control Decay adjustment Switchable and adjustable feedback loop Mix knob to blend wet and dry signals FX Loop (Send-Return) Link to the quick start guide here. Specifications: Powder coated die cast aluminum enclosure DC output w/negative center compatible w/std 9V AC adaptor 5mm Ultra Violet LED indicator Professionnal Jacks --- Controls: REVERB: Overall volume of the Reverb and Insert DECAY: Lenght of the Reverb TONE: Brightness control MIX: Blend the wet effected signal with your dry sound REGEN: Amount of effected signal sent back in the Reverb (Feedback control) SND: Goes through the Input of any effect pedal RTN: Receives Ouput of any effect pedal