EarthQuaker Devices Nightwire v2 oos much like a standard envelope

much like a standard envelope filter

Price includes the fitting of a new 120 or 240v transformer (synth is currently 100v)

From the EarthQuaker website:

The isolator section comes with a frequency switch that enables DJs to switch the cut-off frequency and a boost level switch located on the rear panel

new batteries and battery holder

EarthQuaker Devices Nightwire v2 oos much like a standard envelope*Brand new pedal* Feature rich harmonic tremolo pedal. Can also function as a fixed filter, phase shifter or envelope controlled filter. From the EarthQuaker website: What is harmonic tremolo? In short, the signal is split into high pass and low pass filters, then modulated with an LFO that is split 180 degrees. The Night Wire takes the traditional harmonic tremolo a few steps further by allowing the center point of both filters to be adjusted for