Used Keeley NEUTRINO ENVELOPE FILTER Effect Pedal

Used Keeley NEUTRINO ENVELOPE FILTER in good condition, this dynamic auto-wah pedal delivers classic funk tones with rich envelope filtering. Features include selectable filter ranges (Hi, Mid, Low), adjustable Q, peak, and gain controls for precise tone shaping, plus internal controls for fine-tuning response. True bypass switching ensures clean signal integrity. Perfect for guitarists and bassists seeking expressive, touch-sensitive modulation in a compact, durable housing. Powered by 9V DC (not included).