Product Name: Professional Loudspeaker Woofer Speaker (FW-15075-64) Model NO.: FW-15075-64 THD: <0.005% Certification: CE Application: Commercial Speaker Material: Wood Speaker System: Optional Combination Operation Mode: Wire / Remote Control Activity: Passive Hi-Fi: Hi-Fi Noise: <102dB Woofer Size: Ferrite Maganet 15" PRO Fessional Woofer Voice Coil: 75mm frame: Aluminium frame Servie: OEM and ODM Trademark: BZURING/NOVAACOUSTICS Transport Package: Carton Specification: CE Origin: Guangzhou, China HS Code: 85182200 Product Description Model Number:FW-15075-641) 15" PA speaker2) Professional loudspeaker3) RMS power4) SPL5) PA speake which is ideal for high quality compact 2 or 3 way systems.6) 1" woofer of good price and quality7) Low disdoortion8) NOVA acoustics is a professional speaker manufacture with experiennce in the speaker audio field for 18 years. We make our own transducers, HF drivers and speaker systems.Revc=5.800OhmFo=36.740HzSd=90.792mBL=18.832TQms=10.551Qes=0.354Qts=0.342No=3.179%SPL=97.0DbVas=234.4744LtrCms=200.314u M/NKrm=2.270m OhmErm=0.885Mms=93.680gMmd=62.219m KgKxm=46.862mHExm=0.618NOVA professional for line array, pro audio, professional loudspeaker, amplifier, flight case and driver units professional woofers and compression driver units.Line array speaker system, professional audio sound equipment, PRO audio sound, PA loudspeaker system, professional speaker equipment, Line array, line array system, line array China, audio, speaker, acoustics, audio equipment, sound equipment, speakers, loudspeaker, professional speaker, professional loudspeaker, PA audio, professional audio, speaker manufacturer, loudspeaker manufactory, audio speakers, sound speakers, stereo speaker, PRO audio speaker, audio loudspeaker. Woofers, Neodymium professionl woofers, Compression driver units.Revc5.800OhmFo36.740HzSd90.792mBL18.832TQms10.551Qes0.354Qts0.342No3.18%SPL97.0DbVas234.4744LtrCms200.314u M/NKrm2.270m OhmErm0.885Mms93.680gMmd62.219m KgKxm46.862mHExm0.618