Presonus - Eris E5 Studio MonitorWhether you're upgrading your listening experience or producing music, Eris E5 studio monitors deliver superior sound in a stylish design. Equipped with 80W of Class AB biamplification, flexible connectivity and a robust suite of acoustic tuning controls to mitigate room anomalies, Eris E5s deliver a smooth, refined sound that accurately reproduces transients and high frequencies, while providing a less fatiguing listening experience during marathon