This is a multi-functional effector, allowing adjustment of LFO, cutoff, resonance, and more. - Model Name: acidbox II - LFO Level: Adjustable - LFO Speed: Adjustable - Cutoff: Adjustable - Resonance: Adjustable - Noise Level: Adjustable - Input Level: Adjustable - Bypass: Yes - Tempo: Adjustable Purchased new a few years ago. Used at home, but I am selling it to organize my equipment. Used in a smoke-free environment and has not been taken outside. Box, instruction manual, and power cable included. If anyone is looking for one, please consider it. Thank you for looking.