Happy Nerding FX Aid (modular multi-effect) 2026

Choose from over 200 effects! In perfect working condition. Used exclusively in smoke-free, pet-free home studio. Includes original box, mounting screws and power cable. Will ship same day when possible.

Manufacturer's description:

FX AID runs 32 unique audio effects arranged in 4 banks of 8 effects.

Three effect controls plus analog Dry/Wet control with dedicated CV input.

High quality stereo signal pass.

Assignable CV input to effect controls or to Sample Rate Reducer (changes internal clock).

FX AID XL has separate CV modulation inputs for all three effect parameters plus Sample Rate Reducer (SRR) input.

Four user storable presets – stores selected program and all three controls.

CV assign, presets and the last used effect are remembered and always available after power offs.

The module is not limited to the factory selected 32 effects: FX AID can be reflashed with other user selected Happy Nerding effects in any order.

Plus standalone FX AID editor application allows to load custom/free Spin programs. Reflashing procedure is quite easy: playing 40 sec long “wav” file of line level amplitude to CV input for 4 HP version or SRR input for FX AID XL.

Reflashing mode: hold both buttons for 10 sec.

The available effects list is quite large and continues to grow. Please check the editor page for the available effects. 

Please note the reverse CV operation of the Dry/Wet control: positive CV crossfades from Wet to Dry, and negative CV crossfades from Dry to Wet.

Reverse power protected like any other Happy Nerding module.

• Width / Size: 4 HP (standard Eurorack module) [1]
• Depth: 40 mm – 45 mm (depending on the exact panel version) [1, 2]
• Power Draw:
• • +12V: 80 mA
  • -12V: 30 mA