The Nektar Technology NX-P is a universal expression pedal used with keyboards, MIDI controllers, and software instruments.

It’s not a volume pedal for guitar by itself—it’s designed to send expression control signals (MIDI/analog expression via TRS) to compatible gear.

What it does

The NX-P lets you control things like:

• Volume (when assigned in your keyboard/DAW)
• Modulation (vibrato, filters, etc.)
• Wah effects (in amp sims or pedals)
• Any assignable parameter in MIDI setups

Key features

• Universal compatibility with most expression inputs
• Polarity switch (works with many brands like Roland, Yamaha, Boss, etc.)
• Sensitivity/range adjustment knob
• Non-slip rubber base for stage use
• 6 ft TRS cable included (wired in)
• Passive design (no battery needed)

Important limitation

• It only works when plugged into a device that supports expression pedal input
• It does NOT control sound directly unless the connected device assigns it a function

Typical use cases

• Keyboard expression control
• Guitar amp modeling (e.g., wah/volume in software like Neural DSP, AmpliTube, Boss Katana setups)
• DAW automation control via MIDI controllers