E8 XT Eris Presonus Active Studio Monitor

Components and construction
8-inch woven composite low-frequency transducer
1.25-inch (31.75 mm), ultra-low-mass, silk-dome, high-frequency transducer
Front-firing acoustic port for superior bass-frequency reproduction
Optimized, resonance-suppressing internal bracing
105 dB maximum continuous SPL
User controls
HF Adjust (±6 dB, continuously variable)
Midrange Adjust (±6 dB, continuously variable)
Acoustic Space settings (flat, -2, -4 dB) for accurate mixing contour
Highpass filter (Off, 80 Hz, 100 Hz)