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 | 88±3dB |
| Color | black |
| Plug | Customize |
| Function | Music |
| Waterproof | Front side waterproof |
| Brand Name | Yuesonic |
| Model Number | YD120-9 |
| Certification | CE |
| 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 | 88±3dB |
| Color | black | Plug | Customize |
| Function | Music | Waterproof | Front side waterproof |
| Brand Name | Yuesonic | Model Number | YD120-9 |
| Certification | CE | Place of Origin | China |
| High Light | raw subwoofer ，car woofer speaker | ||
CE 20W 4ohm 120mm round shape big size full range woofer waterproof car speaker music player
1. Specifications
| Sound pressure | 88±3(A)AT 1m/1w |
| VOICE COLL IMP | 4Ω |
| RESONANT FREQ | 110±20% HZ |
| Temperature | -25°C ~ 55°C |
| RATED POWER | 20W |
| MAX POWER | 40W |
| Weight | 560g |
2. Description
|
NO. |
ITEM |
SPECIFICATION |
TESTING CONDITION |
| 1 |
NOMINAL SIZE | φ120MM | |
| 2 |
VOICE COLL IMP | 4Ohm ±15% | |
| 3 |
RESONANT FREQ | fo 110±20% HZ | |
| 4 |
OUTPUT S.P.L | 88±3dB | AT 1m/1w MEASUREMENT |
| 5 |
FREQ RESPONSE | fo～ 4K Hz -10dB | -10dB |
| 6 |
RATED POWER | 20W | |
| 7 |
MAX POWER | 40W | |
| 8 |
DISTORTION | ≤ 7 %Max | |
| 9 |
OPEARTION |
MUST BE NORMAL | PROGRAM SOURCE 0.1 W |
| 10 |
NOISE |
MUST BE NORMAL | SIN WAVE 3.1 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 | 15W 100 HOURS |
| 14 |
MAGNET | Ф70XФ32X10 MATERIAL SIZE | |
| 15 |
TOTAL FLUX | MAX WELL | |
| 16 |
FLUX DENSITY | GAUSS | |
| 17 |
POLARIZATION | When a positive DC current is applied to the terminal marked(+),diaphragm shall move forward | |
| 18 |
NET WEIGHT | 560g |
3. Applications
To adequately reproduce a wide range of frequencies with even coverage, most loudspeaker systems employ more than one driver, particularly for higher sound pressure level or maximum accuracy. Individual drivers are used to reproduce different frequency ranges. The drivers are named subwoofers (for very low frequencies); woofers (low frequencies); mid-range speakers (middle frequencies); tweeters (high frequencies); and sometimes supertweeters, optimized for the highest audible frequencies. The terms for different speaker drivers differ, depending on the application. In two-way systems there is no mid-range driver, so the task of reproducing the mid-range sounds is divided between the woofer and tweeter. Home stereos use the designation "tweeter" for the high frequency driver, while professional concert systems may designate them as "HF" or "highs". When multiple drivers are used in a system, a "filter network", called a crossover, separates the incoming signal into different frequency ranges and routes them to the appropriate driver. A loudspeaker system with n separate frequency bands is described as "n-way speakers": a two-way system will have a woofer and a tweeter; a three-way system employs a woofer, a mid-range, and a tweeter. Loudspeaker drivers of the type pictured are termed "dynamic" (short for electrodynamic) to distinguish them from earlier drivers (i.e., moving iron speaker), or speakers using piezoelectric or electrostatic systems, or any of several other sorts.
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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