The Original Breadboard Module!   Built for Real-World Pedal Testing.   Used by professional Effect Pedal Designers worldwide;
This module gives you direct guitar and amp integration — no wires, no guesswork.
Key Features:
1/4" Guitar In / Amp Out jacks
2.1mm center-negative DC input
Relay true bypass with LED indicator
5V power output for PT2399 and similar chips
Footswitch input ready
Clean layout with pre-soldered headers   
Wampler DIY Course Ready – Recommended for Brian Wampler’s pedal-building curriculum