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Neunaber Expanse Reverb & Modulation Effects Pedal

Written by

Elliot Stent

If you're unfamiliar with Neunaber, this innovative company is responsible for creating some of the most advanced and forward-thinking pedals in recent memory. The Expanse fully embraces this ethos; a programmable stompbox that can be used to offer multiple reverb and modulation effects from Neunaber's Expanse software package.

The Expanse is therefore a blank canvas of sorts, where you can determine which effects you want it to provide. From a glorious, shimmering reverb to an ultra-rich chorus, or even an echo if delay is more of your thing, this powerful pedal encompasses all of the essential time-based and modulation effects you would ever need, and more!

With stereo outputs, you can get the absolute most out of these high-quality effects, delivering an engulfing and three-dimensional sound if you run a dual-amp rig. Another notable feature is its switchable bypass, where you can choose whether to run the Expanse in a true bypass mode (for a cleaner signal with no trails), or a buffered bypass (to ensure that trails are audible when disengaging the pedal).

Here's what Neunaber says about the Expanse Pedal:

What is Expanse? It's a reverb, an echo, a shimmer and a chorus. It's all of these and more! Expanse can be programmed as any effect in Expanse Software:

  • Reverb (Wet, hall, plate, spring, modulated)
  • Shimmer
  • Echo, with/without reverb
  • Chorus or Detune, with/without reverb
  • Flanging
  • Phasing, Phased Doubling
  • Tremolo


  • Stereo or mono input and output
  • Three controls, function depending on effect
  • Access to 4 programmable effects with 2 presets each via the ExP Controller (sold separately)
  • Mix knob goes to 100% effect
  • Selectable true bypass (no trails) or buffered bypass (with trails)
  • Selectable footswitch behavior, independent of effect (see User Guide)
  • Very high input impedance: no "tone suck"
  • Analog dry signal for low noise and zero latency
  • Small footprint
  • Requires standard 9V or 12V pedal power supply (not included)
  • Made in Orange County, California USA
£279.00 £239.00
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