JBL STX828S

Premium passive loudspeaker system
Very high power handling
Dual 18-inch 2242H Super Vented Gap Cooled woofers for extended low-frequency output and extremely low distortion
Large vent area for reduced distortion
Depth : 714 mm
Enclosure : Rectangular 18mm 13-ply birch/poplar laminate plywood
Finish : Black DuraFlex finish
Frequency Range : 32Hz to 250Hz (-10dB)
Frequency Response : 37Hz to 120Hz (+/-3dB)
Height : 564 mm
Input Connectors : Neutrik Speakon NL-4 (x2)
Nominal Impedance : 4 ohms (Parallel)
Nominal Impedance : 8 x 2 ohms (Discrete)
Power Rating : 2000/4000/8000 W (Continuous/Program/Peak)
Sensitivity : 99 dB
Width : 1137 mm
Grille : Powder coated black 14-gauge perforated steel with acoustical transparent cloth backing removable JBL badge and punched JBL logo
System Type : 18-inch bass-reflex subwoofer
Maximum SPL (Sound Pressure Level) : 138 dB
Input Connection Modes : Switchable +1/-1 or +2/-2 (Internally selectable parallel or discrete)
Recommended Crossover Frequencies : 30Hz 24dB/octave HPF 80Hz 24dB/octave LPF
Transport : 4 side handles 4 side grip points
Product Weight : 82 kg