China 15 Inch Subwoofer 550W Professional Sound Replacement Speaker for Outdoor Audio System

Product main features:
- 550W RMS power
- 96dB sensitivity 1w/1m
- 45Hz-2k Hz frequency range
- 100mm/4inch inside/outside copper voice coil
- M-roll surround
- Ideal for compact subwoofer application
Introduction:
We are a PA speaker factory of more than 13 years in Panyu,Guangzhou,China,occupying 2000 square meters with 3 production lines.We make Pro audio speakers from small sizes upto 24 inch.
R&D capability:
In the R&D, Hipower's experienced engineers and technicians carry out researches on new materials.state-of-art components and advacned product designs with the help of an anechoic chamber,test instruments and simulation sofwares.
Markets:
Ever since 2003, we have been exporting to many countries, including southeast Asia, Europe, North Ameria and South America.

Speaker's Details:

General SpecificationsNominal Diameter380/15mm/inchRated Impedance8ohmNominal Power handling550WattsProgram Power1100WattsSensitivity(lw/lm)96dBFrequency Range45-2KHzMinimum Impedance(Zmin)6.33ohmVoice Coil Diameter100/4mm/inchVoice Coil MaterialCopper Voice Coil Winding Depth23mmNumber of layers2(Inside/Outside) Magnet gap depth12mmSurround ShapeTriple-roll BasketCast Aluminum Flux Density1.0TMagnet Material/MassCeramic

Mounting InformationOverall Diameter400mmBolt Circle Diameter376mmBolt Hole Diameter6.5mmBaffle Cutout Diameter363mmOverall Depth181mmNet Weight12kg

Thiele-Small parametersResonance frequencyFs45HzDC resistanceRe5.4ohmMechanical factorQms12.39 Electrical factorQes0.3835 Total factorQts0.3720 Mechanical complianceCms0.0835mm/NMechanical resistance
of suspension lossesRms3.36mech-ohmEffective Moving MassMms145.4grHalf-space efficiencyEff2.29%BL FactorBL24.23T.mEquivalent Cas air loadVas96.14litersEffective piston areaSd0.0908m2Max.linear excursionXmax8mmVoice-coil inductanceLelK1.58mH