
When using the Nektar Impact LX25 mk3 to control Omnisphere, the knobs on the Impact LX25 mk3 are assigned to the following Omnisphere parameters:
Top row of knobs:
- Knob 5 (CC#116) – Global Controls Glide
- Knob 6 (CC#117) – Global Controls Unison
- Knob 7 (CC#118) – Global Controls Ambience Amount
- Knob 8 (CC#119) – Global Controls Ambience Length
Bottom row of knobs:
- Knob 1 (CC#89) – Global Controls Cutoff
- Knob 2 (CC#90) – Global Controls Resonance
- Knob 3 (CC#96) – Global Controls Filter Envelope Amount
- Knob 4 (CC#97) – Global Controls Vibrato Depth
Setup
To control Omnisphere using the Impact LX25 mk3, you’ll need to do the following:
- Connect the Impact LX25 mk3 to your computer via USB.
- Set up the Impact LX25 mk3 to control Omnisphere.
- Enable the Impact LX25 mk3 as a MIDI input device in the host software you’re using (DAW, Standalone, etc.).
- Activate the Impact LX25 mk3 Hardware Profile in Omnisphere 3 or later.
IMPACT LX25 MK3 SETUP
Omnisphere relies on the default preset named “5 Learn Friendly 2” on the Impact LX25 mk3 for external control.
- You can activate preset 05 by pressing and holding the [Preset] button while using the data encoder to scroll through the presets list until preset 5 is displayed.
HOST CONNECTION
Open your host (DAW, Standalone, etc.) and make sure the Impact LX25 mk3 is enabled as a MIDI input device.
OMNISPHERE SETUP
- Open Omnisphere and from the header, select the HW menu button.
- From the drop-down menu, select “Nektar > Nektar Impact LX25 mk3” to activate the Impact LX25 mk3 hardware profile.

TROUBLESHOOTING
Not working? Here are some things to try:
- Is your DAW receiving MIDI from the Impact LX25 mk3?
- Make sure your DAW is configured to correctly route the MIDI output of the Impact LX25 mk3 to the MIDI channel assigned to the desired part in Omnisphere.
- If you are using the Omnisphere standalone host, make sure the MIDI output channel of the Impact LX25 mk3 matches the MIDI channel of the Omnisphere Part you want to control.
- Are the knobs on the Impact LX25 mk3 sending the correct MIDI CC messages to control Omnisphere? A simple way to check this is by using MIDI Monitor by Snoize or recording knob movement in your DAW.
NOTE: If you need to change the MIDI CC#s of the knobs on the Impact LX25 mk3, you can do so from the Impact LX25 mk3 (for steps, please review the LX25 mk3 user manual). An alternative is to factory reset the Impact LX25 mk3. However, doing so will erase all user-saved presets. If you’d like to continue with the reset, please turn OFF the LX25 mk3, then hold down on the [OCTAVE UP] and [OCTAVE DOWN] buttons while turning ON the Impact LX25 mk3 and release the Octave buttons after 3 seconds. This will clear any user saved settings and return the knobs back to their default factory settings.
SUPPORT
Still not working? More questions?
Feel free to contact us directly and we can work with you:
Tech Support
888-870-4223 toll free
818-955-8444
Monday – Friday 10AM – 5PM Pacific Time
email: info@spectrasonics.net



