JL Audio 8IB4, 12IB4, 10IB4 owner manual For Service Information in the U.S.A. please call

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For Service Information in the U.S.A. please call:

JL Audio customer service: (954) 443-1100 during normal business hours (Eastern Time)

JL Audio, Inc

10369 North Commerce Parkway, Miramar, FL 33025

International Warranties:

Products purchased outside the United States of America are covered only by that country’s distributor and not by JL Audio, Inc.

Printed in USA

JLIB4-11-2003

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Contents N e r ’ s m a n u a l Subwoofer LIGHT GRAY Optimum For Service Information in the U.S.A. please call

12IB4, 8IB4, 10IB4 specifications

JL Audio is renowned for its high-quality audio equipment, and the IB4 series is no exception. The JL Audio IB4 subwoofers, including the 10IB4, 8IB4, and 12IB4, are designed to deliver exceptional performance for both home and automotive audio systems. Each model boasts unique features and technologies that make them stand out in the crowded subwoofer market.

The 10IB4 is a compact yet powerful subwoofer that provides deep bass response while maintaining clarity across all frequencies. One of its main features is the model’s advanced motor design, which minimizes distortion and enhances efficiency. This subwoofer employs JL Audio's patented technology, allowing it to handle high power levels without compromising sound quality. The dual 4-ohm voice coil configuration offers flexible wiring options, enabling users to easily integrate it into existing audio systems.

The 8IB4, while smaller in size, does not skimp on performance. Designed for tight spaces, this subwoofer delivers impressive output thanks to its high excursion capabilities. The 8IB4 features a robust glass-fiber cone and a butyl rubber surround, ensuring durability and longevity. With a power handling rating that supports high wattage input, it allows for exciting bass dynamics without fear of damage, making it a great choice for enthusiasts who aren’t willing to sacrifice audio quality for size.

The 12IB4 rounds out the series with its larger cone area, which translates to a higher air displacement and deeper bass. This model is particularly suited for larger spaces or for those who desire a more visceral sound experience. Like its siblings, the 12IB4 incorporates JL Audio’s advanced driver technology that includes a rigid cast-alloy frame and a high-temperature voice coil for improved thermal performance.

All models in the IB4 series feature JL Audio's proprietary CORE technology, which combines a unique acoustic design with optimized power handling capabilities. The result is an immersive listening experience that brings music to life with precision and impact.

In summary, the JL Audio 10IB4, 8IB4, and 12IB4 subwoofers exemplify high-performance audio engineering. Whether for home theater systems, mobile audio applications, or performance-driven setups, these subwoofers deliver unparalleled sound quality and reliability, establishing them as leaders in the subwoofer market. With their innovative technologies and build quality, JL Audio continues to push the boundaries of what is possible in audio reproduction.