You can connect it to a power amp of a guitar amplifier, Connect to a power amplifier directly, or Connect to an audio interface/headphone amplifier/monitor speaker/mixer.【Power Supply INCLUDED】

Flamma pedals, focus is placed on offering high-quality, flexible tone options with a simple UI at an affordable price. Each preamp inside the FS06 features two channels that can be easily switched between. The built-in cabinet simulator can also be toggled on and off for when a real-life cab isn’t available and built-in EQ knobs allow easy adjustment of Bass, Mid, Treble, Gain, and Volume levels that can be saved to each channel’s preset slot. Two modes of operation are available for the footswitch, allowing it to be used as either an on/off switch or a channel selection switch.

 
Features
●7 different preamp models that cover a wide variety of classic and modern guitar tones.
●Each preamp model has two channels with preset save slot for each preamp.
●Built-in cabinet simulation allows users to connect directly to mixer/PA system.
●Footswitch can be used to switch channels or to toggle pedal ON/OFF.

Comes exactly as pictured :-)