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 | 82±3dB |
| Color | black |
| Plug | Customize |
| Function | Music |
| Waterproof | Front side waterproof |
| Brand Name | Yuesonic |
| Model Number | YDP413-4 |
| 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 | 82±3dB |
| Color | black | Plug | Customize |
| Function | Music | Waterproof | Front side waterproof |
| Brand Name | Yuesonic | Model Number | YDP413-4 |
| Certification | CE,RoHS,REACH | Place of Origin | China |
| High Light | raw frame speakers ，car woofer speaker | ||
10W full range black high qualtity TV woofer tweeter CE media audio speaker
1. Specifications
| Sound pressure | 84±2(A)AT 1m/1w |
| VOICE COLL IMP | 8Ω |
| RESONANT FREQ | 290±20% HZ |
| Temperature | -25°C ~ 55°C |
| RATED POWER | 8W |
| MAX POWER | 10W |
| Weight | 46g |
2. Description
|
NO. |
ITEM |
SPECIFICATION |
TESTING CONDITION |
| 1 |
NOMINAL SIZE | 133.5X36.5 MM | |
| 2 |
VOICE COLL IMP | 8 Ohm ±20% | AT 400Hz 1V |
| 3 |
RESONANT FREQ | Fo 290 ±20% Hz | AT 25℃±3℃ 2.5V |
| 4 |
OUTPUT S.P.L | MEAN VALUE AT0.4,0.6,0.8,1.0 KHz 82±3dB | AT 1m1w MEASUREMENT |
| 5 |
FREQ RESPONSE | fo ～ 20 K Hz -20dB |
-20dB |
| 6 |
RATED POWER | 8 W | |
| 7 |
MAX POWER | 10 W | |
| 8 |
DISTORTION | ≤7%Max | |
| 9 |
OPEARTION |
MUST BE NORMAL | PROGRAM SOURCE 8 W |
| 10 |
NOISE |
MUST BE NORMAL | SINE WAVE 8.0 V |
| 11 |
HEAT TEST | AFTER TEST MEET ITEM 8,9 | 55± 2℃ 16 HOURS |
| 12 |
HUMIDITY TEST | AFTER TEST MEET ITEM 8,9 | 40±2℃ 90～95%RH 48 HOURS |
| 13 |
LOAD TEST | AFTER TEST MEET ITEM 8,9 | 8 W 100 HOURS |
| 14 |
MAGNET | NdFeB | |
| 15 |
TOTAL FLUX | MAX WELL | |
| 16 |
POLARIZATION | When a positive DC current is applied to the terminal marked(+),diaphragm shall move forward | |
| 17 |
NET WEIGHT | 46±3g |
3. Applications
Johann Philipp Reis installed an electric loudspeaker in his telephone in 1861; it was capable of reproducing clear tones, but also could reproduce muffled speech after a few revisions.[3] Alexander Graham Bell patented his first electric loudspeaker (capable of reproducing intelligible speech) as part of his telephone in 1876, which was followed in 1877 by an improved version from Ernst Siemens. During this time, Thomas Edison was issued a British patent for a system using compressed air as an amplifying mechanism for his early cylinder phonographs, but he ultimately settled for the familiar metal horn driven by a membrane attached to the stylus. In 1898, Horace Short patented a design for a loudspeaker driven by compressed air; he then sold the rights to Charles Parsons, who was issued several additional British patents before 1910. A few companies, including the Victor Talking Machine Company and Pathé, produced record players using compressed-air loudspeakers. However, these designs were significantly limited by their poor sound quality and their inability to reproduce sound at low volume. Variants of the system were used for public address applications, and more recently, other variations have been used to test space-equipment resistance to the very loud sound and vibration levels that the launching of rockets produces.
4. Competitive Advantage
5. Information
| Place of Origin: | China |
| Brand Name: | Yuesonic |
| Certification: | CE/RoHS/SGS |
| Model Number: | YD78-1N |
6. Custom properties
| Product Name: | Speaker | Application: | Outdoor |
| Weight: | 257g | Sound: | HIFI |
| Material: | Metal | Power: | 15W |
| Standard: | CE/ROHS/SGS | Type: | 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 |
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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