Guitar Multi-Effects Pedal with expression pedal, 60 effects, looper, drum patterns, SD slot, USB A wide range of effects! The NUX MG-20 is loaded with 60 newly curated stunning DSP effects as well as 16 of the most popular and authentic amp/cabinet emulators. Also equipped with high-quality essential guitar sounds such as overdrive, distortion, compression, EQ, delay, reverb and Allen modulation effects such as chorus, phaser, flanger, tremolo and much more. From your guitar to your speakers, your sound is under control! noise gate The MG-20's built-in noise gate can eliminate unwanted noise without affecting your audio. Threshold control sets the level of noise you want to filter out. The Decay parameter lets you adjust how quickly the sound fades out when the input signal falls below the set threshold. Compressor Die Compression normalizes the dynamic range of an instrument. The MG-20's compressor smooths out your guitar's output signal. You can cont.