Product Name: 44mm Professional Hf Compression Speaker Driver Tweeter Model NO.: HDT-250982 THD: 0.005%-0.01% Monitor: None Application: Commercial, Home Speaker Material: metal Speaker System: Mono Operation Mode: Wire / Remote Control Activity: Passive Hi-Fi: Not Hi-Fi Noise: <95dB Sensitivity: 103 Frequency Range: 900-18K Hz Voice Coil Diameter: 3 Inch Coil Material: CCA Diaphragm Material: Composite Magnet: Ferrite AES Power Rating: 70 W Program Power: 140W Trademark: OEM and ODM are both welcome Transport Package: Carton Box or as Your Requirement Specification: Net Weight: 2.2 KG Origin: China HS Code: 851829000 Product Description 44mm Professional Hf Compression Speaker Driver TweeterGeneral SpecificationsThroat Diameter25 (1)mm/inchRated Impedance8ohmNominal Power handling70WattsProgram Power140WattsSensitivity(lw/lm)103dBFrequency Range900-18KHzMinimum Impedance(Zmin)5.6ohmVoice Coil Diameter44/1.75mm/inchWinding MaterialCCADiaphram MaterialCompositeMagnet MaterialFerritMounting &Shipping InformationOverall Diameter120mmOverall Depth61mmNet Weight2.2KGMultipack Size (12 in 1)400*315*160mmMultipack Weight27.8KGINTRODUCTIonHengda Audio is a professinal speakermanufacturerwith 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.