4 Inch Small Professional Sound Component Speaker Unit

• Noise: <102dB
• Hi-Fi: Not Hi-Fi
• Activity: Passive
• 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.: M04/4007c
• Operation Mode: Wire / Remote Control
• Speaker System: Passive
• Speaker Material: Metal
• Application: Stage
• Certification: ISO
• Monitor: None
• THD: <0.005%
• Type: 4 Inch Tweeter
• Brand: Hipower
• Customer Satisfaction: 98%
• Performance: Stable
• Markets: Europe,Asia,North and South America
• Transport Package: Export Carton
• Specification: 4 inch
• Trademark: Hipower
• Origin: China
• HS Code: 85182900
• Production Capacity: 10000PC/Month

Product Description

4 Inch Small Professional Sound Component Speaker Unit

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 Specifications
Nominal Diameter	100/4	mm/inch
Rated Impedance	4	ohm
Nominal Power handling	30	Watts
Program Power	60	Watts
Sensitivity(lw/lm)	86	dB
Frequency Range	103-12k	Hz
Minimum Impedance(Zmin)	3.9	ohm
Voice Coil Diameter	25/1	mm/inch
Voice Coil Material	Copper
Voice Coil Winding Depth	6.8	mm
Number of layers	2
Magnet gap depth	4	mm
Cone Shape	Curved
Surround Shape	Foam
Basket	Pressed Steel
Magnet Material/Mass	Ceramic/0.27	kg

   

Thiele-Small parameters
Resonance frequency	Fs	103	Hz
DC resistance	Re	3.6	ohm
Mechanical factor	Qms	3.31
Electrical factor	Qes	0.86
Total factor	Qts	0.68
Mechanical compliance	Cms	0.45	mm/N
Mechanical resistance of suspension losses	Rms	1.03	mech-ohm
Effective Moving Mass	Mms	5.24	gr
Half-space efficiency	Eff	0.24	%
BL Factor	BL	3.78	T.m
Equivalent Cas air load	Vas	1.95	liters
Effective piston area	Sd	0.0055	m2
Max.linear excursion	Xmax	2.5	mm
Voice-coil inductance	LelK	0.17	mH

 

Mounting Information
Overall Diameter	113	mm
Bolt Circle Diameter	104.3	mm
Bolt Hole Diameter	4.3	mm
Baffle Cutout Diameter	92.5	mm
Overall Depth	61.5	mm
Net Weight	0.68	kg