EarthQuaker Devices has released their rendition of the classic optical vibe circuit with The Depths. This versatile vibe machine can build anything from a thin, watery warble to sharp, aggressive pulses. Thicken it up with some lower frequencies using the Voice control or pump up the low end pulses on your neck pickup using the Throb knob for some dirtier tones. The Depths can actually take two different power sources, a 9v and 18v, to get you either warmer or more sparkly sound.