12inch Heavy Woofer Car Subwoofer Speaker 300watt With 87dB SPL
1. Funtion : for car
2. Type : subwoofer speaker
3. Outer diameter : 321 mm (12 inch)
4. Impedance 4Ω
5. Rated power 300 w
6. Max power 600w
7. SPL 87 dB @ 1w/1m 2.83v
8. Frequency range 38 HZ-1.5K HZ
9. Certification CE, ISO,RoHs
10. Place of original : Dongguan ,China (mainland)
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This is high foam surround and paper cone subwoofer, slim shape and
best parameters design .2inch dual voice coil kapton bobbin
material thermostability SV wrire ,Low Fs ,have a good bass
bounce, tight and not hard, loose and not soft, drums of location
and the form sense, drum skin is finish a word clear and not cloudy
bass plump deep . This speaker belongs to subwoofer type , out
diameter is 12 inch namely 321 mm , rated power 300 watts , could
playing the frequency between 38 Hz to 1500 Hz , it is really a
amazing product to the woofer lover .
The speaker was build with high efficient magnetic transfer
materials ferrite magnet , 50mm KSV voice coil , which
could bear the high temperature helps prolong it's working life ,
and can transfer the voice singal well , makes the speaker to be
more real . paper cone is a prefessional parts of subwoofer with
sunshine color , it can bear the great shocking , help recovering
the woofer voice . surrounding by foam materials , it is very light
but with good seal function , helps the speaker not affect by
others rubbish . the terminal use spring device , make sure
easy to install and connecting well .
Use for car audio system .
Φ321mm (12 inch)
voice coil impedance
voice coil size / material
50mm / KSV
cone / edge
pp cone / rubber surround
resonant freq (FO)
38 Hz ± 20%Hz
mean value (1M/1W )
38Hz ~1.5K Hz
rated power input
max power input
Quality control for 12'' heavy woofer car subwoofer speaker
We have advanced instruments and high skills stuff
to produce best car subwoofer speaker .
Excellence in every detail, Strictly quality control. To ensure high quality
high quality subwoofer speaker will be manufactured
, we have a professional QC team,
products have to be repeat checking.
Process of inspecting the car subwoofer speaker
01. IQC: inspection of the raw material
02. QC: fully inspection of the board, and IPQC check the correctness of the processing of every worker;
03. QC: fully inspection of the products, IPQC check the correctness of the processing;
04. IPQC inspection of the charger aging;
05. IPQC inspection of the packing;
06. QA final inspection of the products and determination of shipment.
The advantages of Erisson :
1. Erisson factory has more than one thousand models , update models very fast .
2. Parameter of the products with great accurate , perfect design .
3. Completely advanced testing machines ,quality assurance .
4. Strictly managing system make sure delivery the goods on time .
5. Sincerely providing best service , welcome various types of OEM and ODM orders .
Welcome to our factory .