Powered Speaker 21 Inch 4400watt Big Power 6inch Coil PRO Audio

Min.Order: 1
Product origin: Guangzhou, Guangdong, China
Infringement complaint: complaintComplaint
US$ 180 ~ 270

Description
Powered Speaker 21 Inch  4400Watt  Big Power 6Inch coil  Pro Audio 
 
 
  • 6 INCH COPPER VOICE COIL
  • 97 dB/SPL SENSITIVITY
  • 4400 WATT PROGRAM POWER HANDING
  • FEM OPTIMIZED MOTOR AND SUSPENSIONS
  • 53mm PEAK TO PEAK MAXIMUM EXCURSION
  • OPTIMIZED COOLING SYSTEM
  • ALUMINIUM DEMODULATING RING
  • DOUBLE SPIDER
  • RESONANCE FREE AND HEAVY DUTY BASKET DESIGN
  • TRIPLE ROLL SURROUND

GENERAL SPECIFICATIONS
Nominal diametermm (in.)548(21)
Nominal impedanceΩ4
Minimum impedanceΩ4.5
Program power (1)W4400
AES Power rating(2)W2200
Sensitivity (3)dB97
Frequency rangeHz29 ~ 1000
Voice coil diametermm (in.)151(6)
Chassis materialAluminium 
Magnet materialNeodymium 
Magnet dimensions (ODxIDxh)mm145 x 60 x 10
Coil materialSV 
Former materialGlass Fiber 
Xmax(4)mm15.8
Xmech(5)mm26.5
Gap heightmm17
Voice coil Wingding heightmm40


SMALL SIGNAL PARAMETERS
 
DC resistanceReOhm3.6
Resonance frequencyFsHz29
Moving massMmsg407
ComplianceCmsmm/N0.07
Force factorBLN/A32
Mechanical Q-factorQms 5.8
Electrical Q-factorQes 0.35
Total Q-factorQts 0.33
Equivalent air volumeVasI371
Voice coil InductanceLemH3.2
Diaphragm areaSdcm²1750
Reference efficiencyEta 0%2.9


SHIPPING INFORMATION
Net weightKg22.1
Multipack size (1) (W x D x H)mm570 x 570 x 307
Multipack weightKg24.6














 

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.

 

FAQ
1.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. 




 



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