PreSonus Eris Studio 8 8-inch 2-Way Active Studio Monitors with EBM Waveguide

Professional studio monitors for music and other audio production.
Superior high-frequency reproduction: 1.25-inch (31.75 mm), ultra-low-mass, silk-dome, high-frequency transducer for crystal-clear, natural high end.
Custom-tuned 120˚(H) x 60˚(V) EBM waveguide provides a wide sweet spot for superior stereo imaging.
8-inch, woven-composite, low-frequency drivers produce a powerful, accurate, and smooth bass response with extended low end.