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I KEY BUY Key Refit Audio 4.0 Farah Capacitor Subwoofer 4F Regulator With Lights

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Item Type
Out Power
Material Type
Subwoofers Types
Enclosed Subwoofer Systems
Model Name
Brand Name
Frequency Range (Hz)
Audio Sensitivity
Special Features
powered by
Item Weight
2 kg
Signal To Noise Ratio
Item Size
Color Name
4.0 Farah capacitor

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4.0 Farad Capacitor


The role of car audio capacitor

The installation of subwoofer amplifier case, to make up for the lack of power supply bass amplifier.

Improves poor bass performance due to insufficient power amplifier.

When the bass signal suddenly increased, but also hit a continuous high-power bass signal

When, will make the car battery power supply to the car amplifier is not enough.

Because of this lack of power supply will affect the subwoofer bass effect weakness.

When in this case, the capacitor can instantly release the current to compensate for the current supply foot. And then the capacitor is automatically charged, waiting for the next moment of release.


Car audio conversion must-have item with the latest version of the lamp capacitor

Make your sound modification leap again!

Car audio 4.0 Farah capacitor

High quality good effect is your first choice!

    Quickly take me with off-road Pentium it


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shopping guideReturn&Refund

Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller ServiceOn-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).