Duo BT-500

Drive & Gain: Adds grit, crunch, or heavy distortion (e.g., Overdrive, Distortion, Fuzz).

Modulation: Alters pitch or creates swirling, shifting textures (e.g., Chorus, Phaser, Flanger).

Time-Based: Repeats or alters the space around the sound (e.g., Delay, Reverb).

Utility & Dynamics: Controls volume, cleans up unwanted noise, or shapes frequencies (e.g., Compressors, Tuners, Equalizers)