PreSonus is an American company that specialises in audio equipment and software for musicians, producers, and sound engineers. They are known for their high-quality studio gear, including audio interfaces, mixers, speakers, and digital audio workstations (DAWs).

Some of their most popular products include Studio One, a powerful DAW used for music production, mixing, and mastering; AudioBox and Quantum series audio interfaces, offering high-resolution recording for home and professional studios; and FaderPort, a range of DAW controllers for hands-on mixing. They also produce Eris studio monitors, widely used for accurate sound reproduction, and StudioLive digital mixers, designed for both live sound and studio recording. PreSonus is well-regarded for offering high-quality, affordable solutions for musicians and producers at all levels.