SPECIFICATIONS– Power handling (AES) : 3600W RMS– Nominal impedance : 4 Ohm– Frequency response (-6dB half space, no EQ) : 28~1000Hz– Average Sensitivity in useable band (40~100Hz) : 102dB/W/m– Calculated Maximum SPL / 1m : 137dB continuous / 143dB Peak– Nominal Directivity (-6dB) : Omni in useable band– Low Frequency driver : 21″ CELTO Acoustique Ferrite magnet, 4.5” ultra long stroke In / Out Voice coil– Crossover : No, active mode only (CLM48 DSP)– Flying hardware : No, stack ground use only– Connectors : 2x NEUTRIK Speakon® NL4MP (1+/1- Input) (2 at the Back)– Pole mount : Yes, 2pcs M20 threaded pole– Cabinet : CNC made with tongue and grove assembly 18mm Baltic birch plywood, exterior grade– Finish : Touring grade rubberized black PolyUrea coating– Speaker size (HxWxD) : 588x1226x805 mm– Speaker Weight : 104kg– Shipping information : 117kg 710x1380x915 mm APPLICATIONSSU221 subwoofer is suitable for heavy bass reinforcement for main PA systems, touring or permanent installations for small to large stages, indoor or outdoor live performances.Suitable in spaces like:• FoH• Multi-functional room• Stadiums• Auditorium and Theatre• Pub• Bar• Night club
