Delivery Time:35-40 days
Certification:ROHS
Active car audio car subwoofer speaker with 2 inch dual voice coil
Quick Detail:
1. Size : 12\'\'
2. Type : subwoofer
3. Color : black appearance
4. Impedance 4+4 ohm
5. Spl 89 dB
6. Frequency range 40 HZ-1.5 KHZ
7. Rated power 250 w
8. max power 500 w
9. Certification CE, ISO,RoHs
10. Place of original :Dongguan ,China (mainland)
Description:
Specifications:
| NO. | Item | Specification |
|
1 |
outside diameter |
Φ318mm (12-inch) |
|
2 |
voice coil impedance |
(4+4) Ω |
|
3 |
voice coil size / material |
50mm / KSV |
|
4 |
cone / edge |
paper cone / foam surround |
|
5 |
resonant freq (FO) |
40 Hz ± 20%Hz |
|
6 |
output S.P.L. |
89±3dB |
|
7 |
freq response |
40 Hz ~1.5K Hz |
|
8 |
rated power input |
250 watts |
|
9 |
max power input |
500 watts |
|
10 |
ferrite magnet |
Φ156mm 1628 g / 57.5 oz |
Mechanical drawing:
Quality control for active car audio 12 inch subwoofer spearer
We have advanced instruments, subtle mold making technique..
Excellence in every detail, Strictly quality control. To ensure high quality, we have a professional QC team,
products have to be repeat checking.
Process of inspecting the 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 .
