Check the listing for details. AMT LLM-2 ZERO - Optical Volume Pedal. Condition: New. Listed at 125.00 USD. AMT Electronics LLM-2 ZERO Optical Volume Pedal Features overview We are happy to present Little Loudmouth LLM-2 optical volume control pedal created in close collaboration with musicians! Now it allows you to completely mute your instrument in the lower position of the pedal. The active volume control pedal is designed for guitar and keyboards volume control. The pedal has high input impedance of 1MOhm and low output impedance 10 KOhm which makes it easy to integrate it into any effect chain without signal quality loss. Little Loudmouth LLM-2 is capable of smooth instrument signal volume change within three ranges by means of output signal switch: from +12dB to complete silence from +6dB to complete silence from 0dB to complete silence Technical specifications Powered by stabilized 9-12V power supply or 9V battery Low power consumption (6mA) Compact size: 110x62x58 mm (easily fits into gig bag) Weight without battery 0.45 kg