Frequency Response 35Hz - 22kHz (see graph) Crossover Frequency 1600Hz Crossover Type Acoustic 8th Order (48dB/Oct) 3rd Harmonic Distortion 90dB SPL @ 1m 500 - 7 kHz - 0.08% 200 - 20 kHz - 0.2% <200 Hz - 1.5% Acoustic Output - SPL @ 1m Long Term (80Hz - 20kHz) peak (80Hz - 20kHz) 111dB 114dB Signal Input Combo XLR, ¼ "TRS (bal / unbal) Input Sensitivity .755 v / rms is 0dBu Input Voltage AC 110-120V or 220-240V (selectable) 90-110V (Japan) AC Input Connector 2-pin IEC Average Long-Term Power ... Consumption 220 watts Quiescent Power Consumption <20 watts Cabinet Volume 28 Litres Cabinet Construction High Pressure Injection Moulded Aluminium Cabinet Finish Black powdercoat Low Frequency Two Vents Variable Impedance ports (patent pending) Construction Waveguide High Pressure Injection Moulded Aluminium Waveguide Elliptical Waveguide - Rotatable Mounting Four Points each M8 Omni-mount Cabinet Pattern Dimensions 295mmW x 450mmH x 273mmD 11.6 "W x 17.7" H x 10.8 "D Weight Cabinet 21.2 kg 46.74lb 390mmW x 575mmH Shipping Dimensions 380mmD x 15.4 "W x 22.6" H x 15 "D Shipping Weight 24.3kg 53.57lb Operating Temperature Range 5-35 ° C / 40-95 ° F Agency Approvals CE, UL, CCC, C -Tick, SASO, NON, EK, PSE