Used Mu-Tron Dan Armstrong Yellow Humper Bass Effect Pedal

Used Mu-Tron Dan Armstrong Yellow Humper Bass Effect Pedal in Good condition. This legendary midrange enhancer delivers a punchy tonal boost, ideal for cutting through the mix. Compact and rugged, it features simple in/out jacks and a true bypass switch. The Yellow Humper enhances harmonics without altering your low end, making it a favorite among bassists seeking clarity and presence. A rare vintage find, perfect for collectors or players chasing that signature tone.