Boss RC300 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: microphone level, memory down, memory up, memory write, memory delete, rhythm output level, loop fxloop fx, phantom. The guitar effect pedal features 1/4" jack input, 1/4" jack output connectors and uses AC adapter power supply.