PreSonus Eris-series studio monitors are used worldwide by audio engineers and producers who need to hear every detail of their recordings. The PreSonus Eris 4.5 BT Media Reference Monitors deliver studio-quality sound in an elegant, compact form factor that makes them ideally suited for bedroom studios, video production, and high-fidelity gaming setups.Low-End Punch with Clear AudioWith 25 watts per side of onboard power, the Eris 4.5 BT reference monitors pack a serious low-end punch while still delivering clear, accurate audio. Improved speaker voicing over previous designs delivers richer lows and a smoother crossover transition for articulate, accurate transient reproduction through the frequency range and a less fatiguing listening experience.Versatile for Use in Any EnvironmentIntegrated Bluetooth 5.0 wireless connectivity, flexible analog connection options, and a convenient, integrated headphone output make Eris 4.5 BT at home in any environment, from home studios to dorm rooms. High- and low-frequency controls make it easy to adjust the Eris speaker’s frequency response to taste and ensure optimal performance in any space. Whether making music or listening to your favorite songs, Eris 4.5 BT provides a studio-quality sound that will bring your audio to life.