Delivery Time:30-35 days
Certification:ROHS

4\" home theatre speaker systems , with shielded cup silk tweeter

Quick Detail:

1. OEM / ODM : yes 
2. Type : tweeter
3. Outer diameter :104mm  ( 4\" )
4. Impedance 6 Ω
5. Rated power 20 w
6. Max power 40w
7. SPL 90dB @ 1w/1m 2.83v
8. Frequency range 1300HZ-20KHZ
9. Certification CE, ISO,RoHs
10. Place of original :Dongguan ,China (mainland)

Description:

104mm anti-magnetic silk dome tweeter.1\" voice coil ,transparent silk diaphragm ,absorb sound foam,rms

20 w.use for passive cabinet assembly and design .

our company very attach importance to the tweeter\'s workmanship ,like as diaphragm with voice coil assembly ,we have precision equipment and gauge service to production .the same we use import high temperature glue to adhesive  .

Voice coil with diaphragm assembly workmanship

Tweeter test equipment

Applications:

This tweeter Hi end ,Hi-Fi system speaker foucs on playing the frenquency between 1300 Hz to 20k Hz ,

use for home theatre ,meeting room , shop ,and , bookshelf ,desktop ,floorstanding speaker ,exhibition

room etc indoor place .

Specifications:

NO.	Item	Specification
1	outside diameter	Φ104mm (4-inch)
2	voice coil impedance	6 Ω
3	voice coil size / material	25mm / ASV
4	cone / edge	silk diaphragm
5	resonant freq (FO)	1300 Hz ± 20%Hz
6	output S.P.L.	90±3dB mean value (1M/1W )
7	freq response	1300 Hz ~20K Hz
8	rated power input	20 watts
9	max power input	40 watts
10	ferrite magnet	Φ60mm + Φ50mm
11	weight	400 g / 14.1 oz

Mechanical drawing:

Quality control for 4\" home theatre speakers system
  

We have advanced instruments, subtle mold making technique..

Excellence in every detail, Strictly quality control. To ensure high quality, we have a professional QC team,

 products have to be repeat checking.

Process of inspecting the speaker

01. IQC: inspection of the raw material;

02. QC: fully inspection of the board, and IPQC check the correctness of the processing of every worker;

03. QC: fully inspection of the products, IPQC check the correctness of the processing;

04. IPQC inspection of the charger aging;

05. IPQC inspection of the packing;

06. QA final inspection of the products and determination of shipment.

Below are the large quantity speakers waiting for exporting 

We factory ERISSON founded in 2005 years ,work on the acoustics field have 9 years experience for OEM and ODM service to worldwide customers ,  at present ,we have 9 productions line , daily supply ability about 10 000 pairs , welcome to our factory .

The advantages of Erisson :

1.  Erisson factory has more than one thousand models , update models very fast .

2.  Parameter of the products with great accurate , perfect design .

3.  Completely advanced testing machines ,quality assurance .

4.  Strictly managing system make sure delivery the goods on time .

5.  Sincerely providing best service , welcome various types of OEM and ODM orders