Presonus Eris Studio 8; Active studio monitor; Demo speaker - was in use for a few days for demonstration purposes; 8" woofer, 1" tweeter with silk cone; frequency range: 35 Hz - 20 kHz; crossover frequency: 3,5 kHz; gain control; midrange control (Bell EQ,1 kHz, +/-6 dB), treble control (shelf filter, 10 kHz +/-6 dB); LowCut switchable at 80 or 100 Hz; acoustic space switch (-2 dB, -4dB); LF amplifier power: 75W; HF amplifier power: 65W; maximum SPL: 106 dB (@ 1 meter); input: XLR and jack (balanced) and RCA (unbalanced); 100°(H) x 60°(V) EBM waveguide; auto standby switchable; Output current limiting as well as RF interference-, over-temperature-, transien-, and subsonic-protection; dimensions (WDH): 250 x 298 x 419 mm; weight: 10,1 kg