🔊 ISUB TWIN Subwoofer Enclosure – Dual Bass Power with Compact Style 🚗💥
Looking for a subwoofer enclosure that delivers deep, powerful bass without taking over your trunk space? The Focal ISUB TWIN subwoofer enclosure packs two subwoofers into a sleek, compact box designed for universal fitment. It delivers full, rich bass with detailed accuracy, making it a perfect match for modern car audio enthusiasts.
Let’s dive into why the ISUB TWIN is one of the smartest and most musical subwoofer upgrades available today.
🔄 Dual Subwoofers, Double the Impact
The ISUB TWIN is built with two 8-inch subwoofers mounted in a sealed enclosure. This configuration provides tighter bass response, smoother roll-off, and better accuracy than oversized setups. Each woofer shares a sealed space, which controls air movement and minimizes distortion.
Expect punchy, fast bass that hits with control—not the muddy rumble you get from oversized ported enclosures.
🧠 Compact and Universal Design
Focal engineered the ISUB TWIN to fit nearly any vehicle type. Its low-profile enclosure fits easily into trunks, hatchbacks, or even under false floors. Measuring just under 6 inches in height, it's easy to slide into tight places without losing valuable cargo space.
This subwoofer enclosure offers a balanced solution—strong output without intruding on your everyday vehicle use.
🌿 Premium FLAX Cone Construction
Each subwoofer in the ISUB TWIN features Focal’s signature FLAX sandwich cone. This natural fiber construction blends rigidity and lightweight properties for controlled low-frequency output. It also introduces a warmer, more natural tone to your bass—a key trait for Focal products.
If you want clean and musical bass rather than just raw boom, this cone makes a big difference.
🔊 Subwoofer Enclosure Tuned for Precision
Because this is a sealed subwoofer enclosure, you get tight, defined bass that responds fast. Sealed boxes create a smoother frequency roll-off, which means you’ll hear each bass note clearly—even at higher volumes.
This is especially important for genres like jazz, EDM, or rock where rhythm and clarity matter.
🔌 Works Best with Aftermarket Amplifiers
The ISUB TWIN is optimized for use with quality amplifiers, handling up to 300 watts RMS total. Pairing it with a dedicated amp ensures clean, distortion-free bass and allows the subwoofers to reach their full potential.
Check out our full car subwoofer collection category for matching amps, wiring kits, and tuning tools.
🪟 Why You Should Also Consider Window Tinting
Upgrading your car audio? Pair it with car window tinting to improve your cabin environment. Tinting reduces heat, UV rays, and glare—all of which enhance your comfort and protect your audio system from sun damage.
It’s the perfect complement to your new subwoofer upgrade.
🛠️ Professional Installation at Audio Jam
Installing a subwoofer enclosure like the ISUB TWIN requires experience. That’s where Audio Jam comes in. Our team of certified installers can mount, wire, and tune your subwoofer system for the best performance possible.
📍 227 Governors Place, Bear, DE 19701
📞 (302) 832-2868
🌐 www.audiojamonline.com
Let’s build a system that hits hard and sounds amazing every time you turn the key.
✅ Key Features of the Focal ISUB TWIN
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Dual 8" FLAX cone subwoofers for warm, accurate bass
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Compact sealed enclosure for tight response
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Handles up to 300W RMS
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Universal design fits most car trunks and hatchbacks
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Designed for powered integration or external amplification
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Carpeted finish with Focal branding
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Low-profile build fits under floor panels or cargo spaces
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Ideal for musical balance, not just loudness
❓ Frequently Asked Questions
Q1: Can I install the ISUB TWIN under my rear seats?
It may fit under some raised seats or inside rear cargo compartments. Always measure your space before installation.
Q2: Is this compatible with factory head units?
Yes, but it works best with a dedicated amplifier or digital signal processor for maximum output and clarity.
Q3: How does this compare to a single 12-inch sub?
It offers faster response and tighter bass, with more musicality and less boom than typical large subs.
