Presonus Eris 5, active studio monitors, 5.25" (133 mm) Kevlar low-frequency transducer, 1" (25 mm), ultra-low-mass, silk-dome, high-frequency transducer, 70 watt Class AB biamplification, Front-firing acoustic port for superior bass-frequency reproduction, Midrange (±6 dB, continuously variable), HF (±6 dB, continuously variable), High-Pass (Off, 80 Hz, 100 Hz) and Acoustic Space settings (flat, -2, -4 dB) for accurate mixing contour, RF interference, output current limiting, over-temperature, transient, and subsonic protection, Optimized, resonance-suppressing internal bracing, Balanced XLR/6,3mm jack and unbalanced RCA inputs, 102 dB maximum continuous SPL, Frequency Response: 53 Hz - 22 kHz, Crossover Frequency: 3 kHz, input impedance: 10 kOhms, dimensions (WDH): 178 x 198 x 260 mm, weight: 4,63 kg each, includes 2 units = 1 pair