Happy Nerding FX Aid XL
32-effect stereo Swiss army knife for Eurorack
6 HP Eurorack module
FX AID XL is a 6HP stereo multi-effects processor for Eurorack offering 32 factory effects across 4 banks covering modulation, reverb, delay, distortion, filtering, and granular processing. It combines analog dry/wet mixing with full CV modulation over all three effect parameters plus a sample rate reducer input, making it a compact but deeply controllable effects hub. The module can be reflashed with custom effects, giving it lasting musical utility across ambient, industrial, experimental, and electronic genres.
Features
- 32 unique audio effects in 4 banks of 8 effects each
- High quality stereo signal path with separate left and right inputs and outputs
- Three effect parameter knobs (P1, P2, P3) each with dedicated CV input
- Analog Dry/Wet control with dedicated CV input
- Reverse CV operation on Dry/Wet: positive CV crossfades toward Dry, negative CV crossfades toward Wet
- Sample Rate Reducer (SRR) CV input for additional timbral control
- Four user storable presets storing selected program and all three parameter positions
- CV assign settings, presets, and last used effect are saved across power cycles
- Reflashable firmware via 40-second WAV file played into SRR input
- Compatible with FX AID standalone editor application for loading custom and free Spin programs
- 8 LEDs for bank/program indication and 4 LEDs for preset indication
- Compact 6HP width
Controls & Jacks (17)
- Out R — Right audio output
- P1 — Effect parameter 1 control
- Dry/Wet — Analog dry/wet mix control (not stored in presets)
- P1 CV — CV control for parameter 1
- P2 — Effect parameter 2 control
- P2 CV — CV control for parameter 2
- In L — Left audio input
- In R — Right audio input
- Dry/Wet CV — CV control for dry/wet mix (positive CV crossfades wet to dry, negative CV crossfades dry to wet)
- P3 CV — CV control for parameter 3
- SRR — Sample Rate Reducer CV input; also used for firmware updates via 40 sec wav file at line level
- Out L — Left audio output
- P3 — Effect parameter 3 control
- Bank/Program LED 1 — Bank/program indicator LED 1
- Left — Navigate bank/program selection left
- Right — Navigate bank/program selection right; press for 4 sec to enter preset storage mode
- Bank/Program LED 2 — Bank/program indicator LED 2
How-To Guides
- Saving a Preset
- Recalling a Preset
- Reflashing with New Effects
- Lush Shimmer Reverb Pad
- Vintage Tape Echo
- Granular Freeze Texture
- Lo-Fi Bit Crushed Drums
- Modulated Ping Pong Delay
- Reverse Reverb Swell
- CV-Animated Phaser Sweep
- Ring Modulator Metallic Clang
- Envelope-Driven Auto-Wah Bass
Explore the interactive FX Aid XL panel on BleepDex — tap any control to learn what it does.
