Professional Loudspeaker Stereo Column 3.5 Inch Neodymium 60 Watt Full Range Speaker

• Noise: 0
• Activity: Passive
• Operation Mode: No
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: 3.5NFS25A-4
• Application: Stage
• Certification: CE, RoHS, FCC
• AES Power Rating: 30 W
• Program Power: 60 W
• Frequency Range: 138-19000 Hz
• Voice Coil: 1 Inch Ccaw
• Sensitivity: 90 dB
• Impedance: 4 Ohm
• Magnet: Neodymium
• Chassis: Aluminium
• Transport Package: Carton
• Specification: 220x220x158 mm
• Trademark: CI
• Origin: China
• HS Code: 8518290000
• Production Capacity: 50000
• Package Size: 40.00cm * 49.00cm * 27.00cm
• Package Gross Weight: 8.800kg

Product Description

Pro Audio 3.5 Inch Neodymium Full Range Speaker 60 Watt Stereo column

• 1 INCH COPPER VOICE COIL
• 90 dB/SPL SENSITIVITY
• 60 WATT PROGRAM POWER HANDING
• FEM OPTIMIZED MOTOR AND SUSPENSIONS
• OPTIMIZED COOLING SYSTEM
• DOUBLE  SPIDER
• RESONANCE FREE AND HEAVY DUTY BASKET DESIGN

 

GENERAL SPECIFICATIONS

Nominal diameter	mm (in.)	94.1(3.5)
Nominal impedance	Ω	4
Minimum impedance	Ω	4
Program power (1)	W	60
AES Power rating(2)	W	30
Sensitivity (3)	dB	90
Frequency range	Hz	138~19000
Voice coil diameter	mm (in.)	25.4
Chassis material	Plastic
Magnet material	Neodymium
Magnet dimensions (ODxIDxh)	mm	24.5 x 8   1 pcs
Coil material	CCAW
Former material	Paper
Xmax(4)	mm	1
Xmech(5)	mm	2
Gap height	mm	4
Voice coil Wingding height	mm	4

SMALL SIGNAL PARAMETERS

DC resistance	Re	Ohm	3.5
Resonance frequency	Fs	Hz	138.6
Moving mass	Mms	g	2.2
Compliance	Cms	mm/N	0.5
Force factor	BL	N/A	2.7
Mechanical Q-factor	Qms		3.0
Electrical Q-factor	Qes		0.94
Total Q-factor	Qts		0.72
Equivalent air volume	Vas	I	2.1
Voice coil Inductance	Le	mH	0.4
Diaphragm area	Sd	cm²	50
Reference efficiency	Eta 0	%	0.58

SHIPPING INFORMATION

Net weight	Kg	0.18
Multipack size (1) (W x D x H)	mm	445 x 3420 x 216
Multipack weight	Kg	7.8

 

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.