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Infinity 8" Car Subwoofers

Compact yet powerful, Infinity 8" Car Subwoofers are perfect for smaller spaces.

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Infinity KAPPA83WDSSI

8” High Performance Subwoofer with SSI™ (Selectable Smart Impedance)

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8” High Performance Subwoofer with SSI™ (Selectable Smart Impedance)

• Peak Power: 1200 W
• RMS Power: 400 W
• acoustically damped glass-fiber cone
• 2" Oversized voice coils

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FREE 2-day shipping to VA. Get it Sat, Mar. 30

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Was $289.95 Details
$279.95

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• Peak Power: 1200 W
• RMS Power: 400 W
• acoustically damped glass-fiber cone
• 2" Oversized voice coils

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Price: $279.95

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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Essential add-ons
Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

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NVX SDTK20

20 Square Feet of Sound Damping Material

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Dynamat Trunk Kit

Did you know sound dampening will reduce those annoying rattles and even increase your SPL?

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NVX SDRLR1 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

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Belva BAMMD1

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    Infinity 8" Car Subwoofers Information

    Infinity carries a range of 8" car subwoofers for the bass you've been looking for. Infinity engineers competition grade subwoofers that will both satisfy and last. Great for subwoofer boxes and other installations, these 8" Infinity subs are an easy choice.
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    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
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