12 Inch Neodymium Professional Sound PRO Audio Woofer PA Line Array Speaker

12 Inch Neodymium Professional Sound  Pro Audio Woofer PA Line Array SpeakerINTRODUCTIONHengda 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. Model:HD12NL400  SpecificationNominal diameter  12mm/inch Rated impedance  8ohmNominal power (AES) 600WMaximum power                                 1200WSensitivity (1w/1m) 96.5dBFrequency response 46.9-4KHz Voice coil diameter  100/4mm/ inch Magnet Type Neodymium  Magnet size 97mmT/S Parameter Fs46.9HzRe4.9ΩQes0.25 Qts 0.24 Qms9.11 Vas64.6LCms151.8mm/NMms 75.6grBL20.9N/ASd54.7cm²Mounting information Overall diameter 313mmBolt Circle diameter 296mmBaffle Cutout diameter 284mm Depth 174mm Net weight 7.7KG Shipping 325*325*200mm  /* 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