Shenzhen Xuanda Electronics Co., Ltd.
Shenzhen Xuanda Electronics Co., Ltd.
28X40mm 4Ohm 2W paper diaphragm tablet speaker
  • 28X40mm 4Ohm 2W paper diaphragm tablet speaker
  • 28X40mm 4Ohm 2W paper diaphragm tablet speaker
  • 28X40mm 4Ohm 2W paper diaphragm tablet speaker
28X40mm 4Ohm 2W paper diaphragm tablet speaker
28X40mm 4Ohm 2W paper diaphragm tablet speaker
28X40mm 4Ohm 2W paper diaphragm tablet speaker

28X40mm 4Ohm 2W paper diaphragm tablet speaker

  • $0.59
    3000-9999 Piece/Pieces
  • $0.55
    10000-99999 Piece/Pieces
  • $0.53
    ≥100000 Piece/Pieces
Transportation:
Ocean, Land, Air, Express
Port:
Yantian
Quantity:

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

28*40mm 4Ohm 2W paper diaphragm tablet speaker

XDEC speaker design and supply good quality tablet speaker driver,now this 28*40mm speaker is a rectangular form speaker,ultra-thin size,4ohm 2w,8ohm 2w or 8ohm 1w are ok.2840 speaker is one of common size for tablet speaker, also is one of our common speaker, we doing it very well, can offer stable quality and professional advice and suggestions, this type of speaker is mini speaker, are very suitable for Mini Speaker, Notebook Speaker, Tablet Speaker, Laptop Speaker, Laptop Table Speaker, Story Machine Speaker, Reading Pen Speaker, Learning Machine Speaker car GPS navigation, electronic dog, access control, toys etc.




Product Specification
NO.
Item
Specification
Condition
1
Dimensions
28*40*7.6H mm
2
Nomial Impedance
4±15% OHM
At 1.0KHz / 0.63V
3
Input power
Rated:2W/ Max:3W
At 2.83V /3.46V
4
Resonance Frequency
500±20%Hz
At0.63V
5
S.P.L.
91±3 dB(0.1W/0.1M)
At0.8K/1.0K/1.2/1.5KHz (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 at  2.83V /200~5KHz.
9
Polarity
Diaphragm shall move forward.
10
Load test
Must be normal after load test:white noise 24 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 speaker shall be dropped 2 times, clause 8 shall be satisfied.
15
Weld
terminal weld: 350℃/≤2~3sec*2bit.
16
Store temp
-40℃ To +60℃


Product Application

Recording pen,electronic dictionary,MP4,moblie phone,smart bracelet,tablet computer,Smart glasses



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.
Q4. What are the payment terms?
XDEC: 30% deposit in advance and 70% balance before delivery.
Q5. 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.
Q6. 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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