Beijing Silk Road Enterprise Management Services Co.,LTD
| Payment Terms | T/T, Western Union,Paypal |
| Supply Ability | 30000pcs per month |
| Delivery Time | 2~4weeks |
| Packaging Details | Neutral packaging/ Customise |
| Material | Metal |
| SPL | 84±2dB |
| Color | black |
| Plug | Customize |
| Function | Music |
| Waterproof | Front side waterproof |
| Brand Name | Yuesonic |
| Model Number | YD40-40 |
| Certification | CE,RoHS,REACH |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | T/T, Western Union,Paypal | Supply Ability | 30000pcs per month |
| Delivery Time | 2~4weeks | Packaging Details | Neutral packaging/ Customise |
| Material | Metal | SPL | 84±2dB |
| Color | black | Plug | Customize |
| Function | Music | Waterproof | Front side waterproof |
| Brand Name | Yuesonic | Model Number | YD40-40 |
| Certification | CE,RoHS,REACH | Place of Origin | China |
| High Light | raw subwoofer ，car woofer speaker | ||
40mm bluetooth speaker small smart mini high qualtity CE SGS RoHS raw driver unit
1. Specifications
| Sound pressure | 84±2(A)AT 1m/1w |
| VOICE COLL IMP | 8Ω |
| RESONANT FREQ | 400±20% HZ |
| Temperature | -25°C ~ 55°C |
| RATED POWER | 4W |
| MAX POWER | 6W |
| Weight | 48g |
2. Description
|
NO. |
ITEM |
SPECIFICATION |
TESTING CONDITION |
| 1 |
NOMINAL SIZE | 40.1X40.1 MM | |
| 2 |
VOICE COLL IMP | 8Ω ±15% | AT 1.0KHz 1V |
| 3 |
RESONANT FREQ | Fo 400±20% HZ | AT 1.0V |
| 4 |
OUTPUT S.P.L | MEAN VALUE AT0.5, 0.6,0.8,1.0 KHz 84±2dB | AT 0.5m /1w MEASUREMENT |
| 5 |
FREQ RESPONSE | fo ～ 10 K Hz -10dB | -10dB |
| 6 |
RATED POWER | 4.0 W | |
| 7 |
MAX POWER | 6.0 W | |
| 8 |
OPEARTION |
MUST BE NORMAL | PROGRAM SOURCE 4.0 W |
| 9 |
NOISE |
MUST BE NORMAL | SINE WAVE 5.66 V |
| 10 |
HEAT TEST | AFTER TEST MEET ITEM 8,9 | 55± 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 8,9 | 4.0 W 96 HOURS |
| 13 |
MAGNET | Ф24X3.5 (N38SH) NdFeB 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 | 48g |
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
5. Information
| Place of Origin: | China |
| Brand Name: | Yuesonic |
| Certification: | CE/RoHS/SGS |
| Model Number: | YD40-40 |
6. Custom properties
| Product Name: | Speaker | Application: | Outdoor |
| Weight: | 48g | Sound: | Music |
| Material: | Metal | Power: | 4W |
| Standard: | CE/ROHS/SGS | Type: | Parts |
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 |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2009
Total Annual:
5,000,000-10,000,000
Employee Number:
100~600
Ecer Certification：
Verified Supplier
Beijing Silk Road Enterprise Management Services Co.,LTD is a professional company focus on Car Parts business. Beijing Silk Road also will responsible with exporting and logistic business. Founded in 2009, Our company is a leading manufacturer and supplier of Car Spare Parts in China. ... Beijing Silk Road Enterprise Management Services Co.,LTD is a professional company focus on Car Parts business. Beijing Silk Road also will responsible with exporting and logistic business. Founded in 2009, Our company is a leading manufacturer and supplier of Car Spare Parts in China. ...
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