Mobile Electronics› Vehicle Audio and Components

Jensen

interior dome light

$89.99

SKU: J4W12

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Overview

The Jensen J4W12 is a 12-inch subwoofer designed to enhance your car's audio system with deep, powerful bass. It offers 1200 Watts of Peak Power and 300 Watts RMS at a 4 Ohm impedance, with a frequency response ranging from 30Hz to 400Hz.

Constructed with a stamped steel basket and a double-stitched injected rubber surround, this subwoofer is built for durability. It features a blue polypropylene woofer cone and a 2-inch vented voice coil for improved airflow and efficient heat dissipation.
Show original supplier description
The Jensen J4W12 is a 12-inch subwoofer engineered to elevate your car's audio system with deep, powerful bass. It delivers 1,200 Watts Peak Power (300 Watts RMS) at 4 Ohms, providing high-efficiency output and profound low-end response. Built for longevity, this subwoofer boasts a heavy-duty steel stamped reinforced structure and a double-stitched rubber injected surround, offering maximum durability and heat resistance for consistent performance during high excursion. The low resonance basket design works with a high-performance polypropylene cone to isolate vibrations and produce accurate, distortion-free bass. Versatile in its application, the J4W12 is designed to perform exceptionally well in both sealed and ported enclosures, allowing for customized bass profiles. It has a cut-out diameter of 12 inches and a mounting depth of 5 3/4 inches. Jensen offers an industry-leading 4-year warranty, extending from a standard 2-year warranty upon product registration.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandJensen
Part NumberJ4W12
CategoryInterior and Accessories
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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