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28mm 4ohm 3 Watt Raw Full Range Speaker Driver Unit

  • 100-499 Pieces
    $1.99
  • 500-999 Pieces
    $1.29
  • 1000-4999 Pieces
    $0.92
  • >=5000 Pieces
    $0.87
Color:
$
- +
available
0piecesselected, US $in total
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Shipping fee:
Depends on the order quantity.
Lead Time:
35 day(s) after payment received
Customization:
Customized logo (Min. Order: 10000 Pieces)
Customized packaging (Min. Order: 50000 Pieces)

More

Graphic customization (Min. Order: 10000 Pieces) Less
Samples: $2.00 /Piece, 1 Piece (Min. Order): Buy Samples
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Samples - $2.00 /Piece, 1 Piece (Min. Order): Buy Samples
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Overview
Quick Details
Power Source:
AC, DC
Battery:
No
Number of Loudspeaker Enclosure:
1
Speaker Type:
Combination
Cabinet Material:
Metal
Display Screen:
No
Intelligent Personal Assistant:
None
Built-in Microphone:
No
Brand Name:
Manorshi
Model Number:
LDS28H11R4FN21.5BC
Type:
Passive
Use:
COMPUTER, HOME THEATRE, Karaoke Player, Mobile Phone, Portable Audio Player, Stage, Other
Channels:
Other
Special Feature:
MINI, Portable
Place of Origin:
Jiangsu, China
Size:
28mm
Weight:
17 g
Dimension:
28*11mm
Impedance:
4±15%Ω
Nominal Power:
3w
Maximum Power:
4.0W for 1 minute
FO(HZ):
450±20%Hz
Response::
Fo-6.5kHz
SPL:
90±3dB/W/M
Product Certification certification
CE Certified.
RoHS Certified.
SGS Certified.
Valid from 2017-07-20 until 2020-07-20

Packaging & Delivery

Selling Units:
Single item
Single package size: 
3X3X2 cm
Single gross weight:
0.020 kg
Package Type:
Export standard packing for 8ohm 10 watt raw waterproof Speaker
Picture Example:
package-img
Lead Time :
Quantity(Pieces) 1 - 500 >500
Est. Time(days) 35 To be negotiated
Product Description
Item
Specifications
1-1
Dimension
φ28×11.0t
1-2
Rated Input Power
3W
1-3
Max Input Power
4.0W for 1 minute
1-4
Rated Impedance
4±15% Ω /1KHz/1V
1-5
Coil resistance
3.7±10% Ω
1-6
Resonance Frequency(f0)
400±20% Hz/1V
1-7
Sound Pressure Level
85±3dB 0.63V/0.1m
At (AVG0.5,1.0,2.0,4.0)
KHz baffle board (IEC)
1-8
Frequency Range
f0HZ ~ 20KHz
1-9
Buzz, Rattle, etc.
Should not be audible at 3.46V sine wave between(250Hz ~ 4kHz)
1-10
Weight
17 g
1-11
Voice Coil Diameter
φ16.28 mm
1-12
Magnet (NdFeB)
φ15.6×3t mm
1-13
Appearance
Should not exist any obstacle to be harmful to normal operation; damages, cracks, rusts and distortions, etc.
1-14
Storage temperature
-25℃~+70℃
1-15
Operation temperature
-20℃~+60℃
Application

It is widely used in intercom products, portable products, small speakers, GPS navigator, electronic toys and other products.

Packing & Delivery


Sample packaging:
Usually we use the bubble or foam box packaging samples, into the thick sample box, to ensure the safety of packaging.(Box volume is generally controlled in 0.0025m³)
We put the company profile and datasheet in the box, in order to facilitate customer reference.
Product packaging
Inner packing
Usually using foam box for pin type, and box for wire type. SMD type roll tape packing(According to the product selection of different inner packaging to reduce the volume for customers to save transportation costs)
 Outer packing
Use strong cartons and pack them
Delivery
Some products are in stock and can be shipped immediately
Through the Alibaba express delivery system (including DHL, FEDEX, UPS, EMS...), enjoy the lowest discount.
Different freight and time available for customers to choose (1 ~ 4 working days; 3 ~ 6 working days, etc.)
Why Choose Us
About Us

We specialize in manufacturing & exporting of Piezo Components such as...............................Pls check here know more


We well understand your demand of good quality, competitive prices, scheduled delivery, swift,well communication,OEM & ODM and afte-sale service . This is our advantage! 


Many things to be considered and discussed before a product come into mass production. We help you to ' Print Your Idea '.

Trade show & Certification

FAQ
1.What's your MOQ?
MOQ depends of different series of products, pls contact with us.
2.Do you support OEM and ODM services?
Yes, we can customize products according to the drawing.
3.How about freight fee?
We cooperate with different express companies, enjoy the lowest discount.
4.Do you support after sales service?
The professional after-sales service team will solve all problems for you.
Contact us