Electro-Voice Sx250 15" 2 Way Passive PA Cabinet Small-format 15" 2-way full-range speaker system. 2 Neutrik Speakon NL4 connectors. DH2010A 1.25" pure titanium compression driver coupled to an 80 x 55 Constant-directivity horn. 18 mm plywood enclosure. Futura finish is rugged and weather resistant. Built-in metal stand mount. Frequency Response: 50Hz-20kHz. Sensitivity (SPL 1W/1M): 99 dB. Crossover Frequency: 1600Hz. Nominal Impedance: 8 ohms.