Beijing Silk Road Enterprise Management Services Co.,LTD
| Payment Terms | T/T, Western Union,Paypal |
| Supply Ability | 300000pcs per month |
| Delivery Time | 2~4weeks |
| Packaging Details | Neutral packaging/ Customise |
| Material | metal |
| SPL | 82±2dB |
| Color | black |
| Plug | Customize |
| Function | Speaker |
| Waterproof | Front side waterproof |
| Brand Name | Yuesonic |
| Model Number | YD23-2B |
| Certification | CE |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | T/T, Western Union,Paypal | Supply Ability | 300000pcs per month |
| Delivery Time | 2~4weeks | Packaging Details | Neutral packaging/ Customise |
| Material | metal | SPL | 82±2dB |
| Color | black | Plug | Customize |
| Function | Speaker | Waterproof | Front side waterproof |
| Brand Name | Yuesonic | Model Number | YD23-2B |
| Certification | CE | Place of Origin | China |
| High Light | raw audio speakers ，precision power subwoofers | ||
Black 1.5W 23mm small headphone micor toy waterproof speaker driver parts CE RoHS
1.Specifications
| Sound pressure | 82±2(A)AT 0.5m/1w |
| VOICE COLL IMP | 8Ω |
| RESONANT FREQ | 800 ±20% HZ |
| Temperature | -20°C ~ 60°C |
| RATED POWER | 1W |
| MAX POWER | 1.5 W |
| Weight | 4.2g |
2.Description
|
NO. |
ITEM |
SPECIFICATION |
TESTING CONDITION |
| 1 |
NOMINAL SIZE | φ23 MM | |
| 2 |
VOICE COLL IMP | 8 Ohm ±15% | AT 2000Hz 1 V |
| 3 |
RESONANT FREQ | fo 800 ±20% HZ | |
| 4 |
OUTPUT S.P.L | MEAN VALUE AT1.0,1.2,1.5,2 kHz 82±2dB | AT 0.5m/1w MEASUREMENT |
| 5 |
FREQ RESPONSE | fo～ 20 K Hz -10dB | -10dB |
| 6 |
RATED POWER | 1.0 W | |
| 7 |
MAX POWER | 1.5 W | |
| 8 |
DISTORTION | ≤ 5 %Max | |
| 9 |
OPEARTION |
MUST BE NORMAL | PROGRAM SOURCE 1 W |
| 10 |
NOISE |
MUST BE NORMAL | SINE WAVE 2.83 V |
| 11 |
HEAT TEST | AFTER TEST MEET ITEM 8,9 | 60± 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 | 1 W 100 HOURS |
| 14 |
MAGNET | φ9.5*1.5 MATERIAL SIZE | |
| 15 |
POLARIZATION | When a positive DC current is applied to the terminal marked(+),diaphragm shall move forward | |
| 16 |
Working TEMP | -20℃～+60℃ | |
| 17 |
Storge TEMP | -25℃～+70℃ | |
| 18 |
NET WEIGHT | 4.2g |
3.Applications
A loudspeaker (or loud-speaker or speaker) is an electroacoustic transducer;[1] a device which converts an electrical audio signal into a corresponding sound.[2] The most widely used type of speaker in the 2010s is the dynamic speaker, invented in 1924 by Edward W. Kellogg and Chester W. Rice. The dynamic speaker operates on the same basic principle as a dynamic microphone, but in reverse, to produce sound from an electrical signal. When an alternating current electrical audio signal is applied to its voice coil, a coil of wire suspended in a circular gap between the poles of a permanent magnet, the coil is forced to move rapidly back and forth due to Faraday's law of induction, which causes a diaphragm (usually conically shaped) attached to the coil to move back and forth, pushing on the air to create sound waves. Besides this most common method, there are several alternative technologies that can be used to convert an electrical signal into sound. The sound source (e.g., a sound recording or a microphone) must be amplified or strengthened with an audio power amplifier before the signal is sent to the speaker.
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: | YD23-2B |
6.Custom properties
| Product Name: | Speaker | Application: | Outdoor |
| Weight: | 4.2g | Sound: | Audio |
| Material: | Metal | Power: | 1W |
| Standard: | CE/ROHS/SGS | Type: | Music |
7.Product commercial terms
| Minimum Order Quantity: | 10000pcs |
| 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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