Boss RC1 is a guitar pedal designed to produce sound modulations by applying effects such as looper. To provide the musicians with an option to control the desired aspects of their instrument's tone, this model is equipped with the following controls: level, pedal. The guitar effect pedal features 1/4" phone jack, 1/4" phone mono jack input, 1/4" phone jack, 1/4" phone mono jack output connectors and uses AC adapter/battery power supply.