High Power 18 Inch PA PRO Audio Sound Subwoofer B&C Speaker

18 inch PA Pro Audio Sound Subwoofer B&C Speaker Product main features:- 18 inch PA speaker- Ideal for subwoofer- 1200W RMS, 98dB- 4 inch voice coil, 220mm magnet  - Subwoofer is ideal for high quality professional bass reflex and bass horn systems  SpecificationNominal diameter  18mm/inch Rated impedance  8ohmNominal power (AES) 600WMaximum power                                 1200WSensitivity (1w/1m) 98dBFrequency response 34-1.8KHz Voice coil diameter  100/4mm/ inch Magnet Type Ferrite Magnet size 220mmT/S Parameter Fs34HzRe5.2ΩQes0.36 Qts 0.33 Qms4.5 Vas265LCms0.12mm/NMms 171grBL23.1N/ALel.4mHMounting information Overall diameter 460mmBolt Circle diameter 440mmBaffle Cutout diameter 422mm Depth 200mm Net weight 12KG Shipping 500*500*250mmINTRODUCTIONHengda Audio is a professinal speaker manufacturer with experience in the PA speaker field for 10years. We make  different tranducers, compression drivers. We not only provide goods but technology. OEM and ODM are both welcome./* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1