Specifications: Power rating: 500w/2000w Frequency range (-10 DB): 42 hz - 18 KHz Frequency response (±3 DB): 62 hz - 13 KHz Sensitivity (1w/1m): 100 DB SPL Nominal impedance: 4 ohms Recommended amplifier power: 500 w to 1000 w into 4 ohms Maximum SPL: 133 DB Nominal dispersion: 90º x 50º Crossover frequency: 2.2 KHz Dimensions (H x W x D): 1092 mm x 464 mm x 432 mm (43 in x 18.3 in x 17 in) Weight: 42.6 kg (94 lb) High frequency driver: JBL 2414H-C, 1" exit compression driver mounted on progressive transition waveguide Low frequency driver: JBL M115-8A x 2 Input connectors: Neutrik speakon NL-4 (x1).25 in TS phone jack (x1) parallel Grille: 18-gauge, powder-coated steel