PRO Audio New Design 18 Inch 2000W Professional Sound System

Pro  Audio New Design 18 inch  2000W  Professional Sound System      4 INCH COPPER VOICE COIL97.6 dB/SPL SENSITIVITY2000 WATT PROGRAM POWER HANDINGFEM OPTIMIZED MOTOR AND SUSPENSIONSOPTIMIZED COOLING SYSTEMDOUBLE SPIDERRESONANCE FREE AND HEAVY DUTY BASKET DESIGNTRIPLE ROLL SURROUNDGENERAL SPECIFICATIONSNominal diametermm (in.)460(18)Nominal impedanceΩ8Minimum impedanceΩ6.7Program power (1)W2000AES Power rating(2)W1000Sensitivity (3)dB97.6Frequency rangeHz38 ~ 1000Voice coil diametermm (in.)100(4)Chassis materialAluminium Magnet materialFerrite Magnet dimensions (ODxIDxh)mm220 x 110 x 25Coil materialSV Former materialGlass Fiber Xmax(4)mm10.5Xmech(5)mm16Gap heightmm10Voice coil Wingding heightmm26SMALL SIGNAL PARAMETERSDC resistanceReOhm5.5Resonance frequencyFsHz38Moving massMmsg224ComplianceCmsmm/N0.09Force factorBLN/A25.9Mechanical Q-factorQms 8.6Electrical Q-factorQes 0.41Total Q-factorQts 0.39Equivalent air volumeVasI157Voice coil InductanceLemH1.82Diaphragm areaSdcm²1325Reference efficiencyEta 0%2.4SHIPPING INFORMATION  Net weightKg11.5Multipack size (1) (W x D x H)mm485 x 485 x 245Multipack weightKg13.1  Quality Assurance Since the raw material sent in untill the speaker sent out, every aspect of them will be fully checked.We have many advanced test equipments to measure the quality of products. No defectives will be send out.Our company have a nice quality control managing system(QC) that have strict management of products and staffs. FAQ1.Q: Are you a factory or trading company?A: We are a manufacturer with our own factory ,we have more than 15 years experience.2.Q: Can you do OEM and ODM?A: Yes, both. We can put your idea into products.3. How many days do you need to prepare the goods?We need about 20-25 working days for large order.     /* 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