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Round Shape 120mm 20W 4 Ohm Waterproof Speaker Subwoofer Used On Car And Amp Low Frequency

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    Buy cheap Round Shape 120mm 20W 4 Ohm Waterproof Speaker Subwoofer Used On Car And Amp Low Frequency from wholesalers
     
    Buy cheap Round Shape 120mm 20W 4 Ohm Waterproof Speaker Subwoofer Used On Car And Amp Low Frequency from wholesalers
    • Buy cheap Round Shape 120mm 20W 4 Ohm Waterproof Speaker Subwoofer Used On Car And Amp Low Frequency from wholesalers
    • Buy cheap Round Shape 120mm 20W 4 Ohm Waterproof Speaker Subwoofer Used On Car And Amp Low Frequency from wholesalers
    • Buy cheap Round Shape 120mm 20W 4 Ohm Waterproof Speaker Subwoofer Used On Car And Amp Low Frequency from wholesalers

    Round Shape 120mm 20W 4 Ohm Waterproof Speaker Subwoofer Used On Car And Amp Low Frequency

    Ask Lasest Price
    Brand Name : Yuesonic
    Model Number : YD120-9
    Certification : CE
    Price : Basicly USD 1.5~3
    Payment Terms : T/T, Western Union,Paypal
    Supply Ability : 30000pcs per month
    Delivery Time : 2~4weeks
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    Round Shape 120mm 20W 4 Ohm Waterproof Speaker Subwoofer Used On Car And Amp Low Frequency

    Round Shape 120mm 20W 4 Ohm Waterproof Speaker Subwoofer Used On Car And Amp Low Frequency

    1. Specifications

    Sound pressure88±3(A)AT 1m/1w
    VOICE COLL IMP
    RESONANT FREQ110±20% HZ
    Temperature-25°C ~ 55°C
    RATED POWER20W
    MAX POWER40W
    Weight560g

    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±3dBAT 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 8,955± 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 8,915W 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

    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

    Product Tags:

    car radio speakers

      

    car woofer speaker

      
    Quality Round Shape 120mm 20W 4 Ohm Waterproof Speaker Subwoofer Used On Car And Amp Low Frequency for sale
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