Shenzhen Xuanda Electronics Co., Ltd.
Shenzhen Xuanda Electronics Co., Ltd.
28mm 4Ohm 2W Composite membrane Speaker Driver
  • 28mm 4Ohm 2W Composite membrane Speaker Driver
  • 28mm 4Ohm 2W Composite membrane Speaker Driver
  • 28mm 4Ohm 2W Composite membrane Speaker Driver
28mm 4Ohm 2W Composite membrane Speaker Driver
28mm 4Ohm 2W Composite membrane Speaker Driver
28mm 4Ohm 2W Composite membrane Speaker Driver

28mm 4Ohm 2W Composite membrane Speaker Driver

  • $0.65
    2000-2999 Piece/Pieces
  • $0.59
    3000-4999 Piece/Pieces
  • $0.45
    ≥5000 Piece/Pieces
Transportation:
Ocean, Land, Air, Express
Quantity:

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Basic Info
Basic Info
Payment Type: T/T
Incoterm: EXW
Transportation: Ocean,Land,Air,Express
Product Description
Product Description

28mm 4Ohm 2W Composite membrane Speaker Driver

This is a mylar speaker unit,dia 28mm,4ohm 2w RMS, max 2.5W.This one speaker can have a nice full range sound,size is small and thin,so it very suitable to use in reading pen speaker,pen recorder speaker,some clients also use it in security products,like door acces speaker,emergency phone,intercom speaker,DVD speaker.And it can have a nice mdirange, ,people sound is very clear,so also common used in car navigator speaker,GPS speaker,radar speaker,and so on.Meanwhile,we XDEC speaker also have other size thin speaker,like 13mm-57mm,variouty of speaker included mylar speaker,multimedia speakers,headphone speaker,vibration speaker and other small speaker.Accept OEM ODM,pls contact me with your details requests so that we can advice you most suitable speakers.




Product Specification
NO.
Item
Specification
Condition
1
Dimensions
φ 28*8.0H mm
2
Nomial Impedance
4±15% OHM
At 1.0KHz / 0.63V
3
Input power
Rated:2.0W/ Max:2.5W
At 2.83V /3.16V
4
Resonance Frequency
470±20%Hz
At0.63V
5
S.P.L.
90±3 dB(0.1W/0.1M)
At0.8K/1.0K/1.2K/1.5KHz (Average)
6
Frepuency Range
F0~20K
Output S.P.L. -10dB
7
Distortion
5%Max
At 1.0KHz 0.1W/0.1M
8
Buzze & Rattle
Not be audible sine wave between at2.83V /200~5KHz.
9
Polarity
Diaphragm shall move forward.
10
Load test
Must be normal after load test:white noise 48 hours.
11
High TEMP test
After having been in a test chamber for 48 hours at the condition of 
+60 ℃ 20~25%R.H and keep 2 hours.
12
Cold TEMP test
After having been in a test chamber for 48 hours at the condition of
-25℃±3℃ and keep 2 hours.
13
Humidity test
After having been in a test chamber for 48 hours at the condition of 
40 ℃ 90~95%R.H and keep 4 hours.
14
Drop test
The speak shall be dropped 2 times, clause 8 shall be satisfied.
15
Weld
terminal weld: 350℃/≤2~3sec*2bit.
16
Store temp
-25℃ To +60℃
All the above parameters can be adjusted or customized according to customer requirements.

Product Application
Intercom,Reading pen,Building security,Car voice player,Voip phone,Medical product,Robot,etc

Our Company

Shenzhen Xuanda Electronics Co., Ltd(XDEC) was founded in 2009 and is specializing in researching, designing, manufacturing of various speaker units and microphone units which are widely used for headphone, intercom, telephone, cordless phone,tablet-pc,notebook-pc, TV, navigator, headset, recorder, mini speaker, etc.

XDEC is located in Shenzhen, which is easy with air/sea transportation. XDEC has over 200 employees, and has become proven partner of many domestic and oversea customers by its strong researching and development capabilities, high quality and good service. In order to insure excellent quality and nice sound, XDEC always takes technical innovations as the driving force of sustainable development, and provides customers omnibearing design and engineering service from part development to final assembly.

XDEC has been adhering to business ideas of “Integrity, Quality, Innovation, Service”, strictly controlling every process of the production, stressing on R&D and quality control and introducing advance production equipments to meet customers’

demands.Sincerely we would like to cooperate with friends all over the world. XDEC will insist on top-quality and better servicein order to create the rapid development together with all friends.


Packing & Delivery

Inner packing: EPE foam, Styrofoam or Blister packaging

Outer packing: Master carton


Transport

Delivery time: 15 days for normal orders, 10 days for urgent orders.

Delivery method: by express, by air or by sea.


FAQ
Q1. What is the MOQ?
XDEC: 3000pcs for one model.
Q2.Do you support OEM and ODM services?
XDEC: Yes, we can customize products according to the drawing.Many things to be considered and discussed before a product come into mass production. We help you to ' Print Your Idea '.
Q3. What are the payment methods?
XDEC: T/T, PayPal, Western Union, Money Gram.
Q5. What are the payment terms?
XDEC: 30% deposit in advance and 70% balance before delivery.
Q6. Can I get some free samples before mass production?
XDEC: Of course! We will be happy to send you free samples for your quality evaluation. You just need to bear shipping cost.
Q7. How long can I get the samples?
XDEC: Usually we make samples around 3-5 days, it also depends on your product and request.

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  • Mr. Carney Yuan

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