The Boss DS-1 Electric Guitar Distortion Effect Pedal is a high-quality effects pedal designed to provide a gritty and distorted sound for electric guitars. With an input impedance of 1m Ohm and a nominal input of -20 Dbu, this pedal is suitable for use with acoustic-electric guitars. The output impedance of 1 K Ohm ensures a consistent and powerful sound, while the Boss DS-1 model is known for its durability and reliability. Powered by either a battery or AC adapter, this pedal is a versatile and essential addition to any musician's gear collection.