A compact design, multi-functional amplifier that supports both microphones and instruments. - Brand: ZT - Model Name: LUNCHBOX - Features: Microphone input, instrument input, volume, gain, bass, treble, reverb adjustment - Size: Compact design - Connections: FX loop, output terminal, power terminal Thank you for viewing. I have checked the operation, and there were no issues with sound distortion. A guitar cable (6m) is included as a bonus. Everything in the photos is included, please check carefully before purchasing. Thank you.