50mm full range Black Round Metal Raw Audio Speakers Bluetooth Box with CE and RoHS

Brand Name:Yuesonic
Certification:CE
Model Number:YD50-30
Minimum Order Quantity:2000pcs
Delivery Time:2~4weeks
Payment Terms:T/T, Western Union,Paypal
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Location: Changzhou Jiangsu China
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Product Details

50mm full range Black Round Metal Raw Audio Speakers Bluetooth Box with CE and RoHS


1. Specifications

Sound pressure80±3(A)AT 1m/1w
VOICE COLL IMP
RESONANT FREQ200±20% HZ
Temperature-25°C ~ 55°C
RATED POWER5W
MAX POWER7W
Weight175g

2. Description



NO.


ITEM


SPECIFICATION


TESTING CONDITION

1

NOMINAL SIZE

Ф50X74.4 MM
2

VOICE COLL IMP

8Ω ±15%AT 1.2KHz 1V
3

RESONANT FREQ

Fo 200±20% HZAT 1.0V
4

OUTPUT S.P.L

MEAN VALUE

AT 1.0, 1.5,2.0,2.5 KHz

80±3dB

AT 1m /1w

MEASUREMENT

5

FREQ RESPONSE

fo ~ 20 K Hz -10dB

-10dB

6

RATED POWER

5.0 W
7

MAX POWER

7.0 W
8

OPEARTION


MUST BE NORMAL

PROGRAM SOURCE 5.0 W
9

NOISE


MUST BE NORMAL

SINE WAVE 6.3 V
10

HEAT TEST

AFTER TEST MEET ITEM 8,955± 2℃ 16 HOURS
11

HUMIDITY TEST

AFTER TEST MEET ITEM 8,9

40±2℃

90~95%RH 48 HOURS

12

LOAD TEST

AFTER TEST MEET ITEM 8,95.0 W 96 HOURS
13

MAGNET

Ф40XФ19X8/Ф35XФ18X7

MATERIAL SIZE

14

TOTAL FLUX

MAX WELL
15

POLARIZATION

When a positive DC current is applied to the terminal marked(+),diaphragm shall move forward

16

NET WEIGHT

175g



3. Applications

Speakers are typically housed in a speaker enclosure or speaker cabinet which is often a rectangular square box made of several forms of wood, or sometimes plastic. The enclosure's materials and design play an important role in the quality of the sound. The enclosure generally must be as stiff and non-resonant as practically possible. Where high fidelity reproduction of sound is required, multiple loudspeaker transducers are often mounted in the same enclosure, each reproducing a part of the audible frequency range (picture at right). In this case the individual speakers are referred to as "drivers" and the entire unit is called a loudspeaker. Drivers made for reproducing high audio frequencies are called tweeters, those for middle frequencies are called mid-range drivers, and those for low frequencies are called woofers. Extremely low frequencies (16Hz-~100Hz) may be reproduced by detached subwoofers. Smaller loudspeakers are found in devices such as radios, televisions, portable audio players, computers, and electronic musical instruments. Larger loudspeaker systems are used for music, sound reinforcement in theatres and concert halls, and in public address systems.


4. Competitive Advantage

1). Reinforced nylong housing eliminates corrosion damage

2). Wire/connector/bolt mounting optional, easy to install

3). Voltage polarity protection

4). RoHS compliant, CE certified, SGS


5. Information

Place of Origin:China
Brand Name:Yuesonic
Certification:CE/RoHS/SGS
Model Number:YD78-1N

6. Custom properties

Product Name:SpeakerApplication:Outdoor
Weight:257gSound:HIFI
Material:MetalPower:15W
Standard:CE/ROHS/SGSType:Line array

7. Product commercial terms

Minimum Order Quantity:2000pcs
Price:negotiation
Packaging Details:T/T or western Union
Delivery Time:3,0000pcs per month
Payment Terms:14~28 working days after received your payment
Supply Ability:Packed in box firstly,and then reinforced with neutral packaging for outer packing

China 50mm full range Black Round Metal Raw Audio Speakers Bluetooth Box with CE and RoHS supplier

50mm full range Black Round Metal Raw Audio Speakers Bluetooth Box with CE and RoHS

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