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Discontinued Infinity 8" Car Subwoofers

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

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Infinity Reference 860W

250W 8" Reference Series Single 4 ohm Subwoofer

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250W 8" Reference Series Single 4 ohm Subwoofer

• 1000W Peak
• 250W RMS
• High-Gloss Polypropylene Woofer
• Large-Roll Rubber Surround
• 2" Voice Coil
• Vented Pole Pieces

• 1000W Peak
• 250W RMS
• High-Gloss Polypropylene Woofer
• Large-Roll Rubber Surround
• 2" Voice Coil
• Vented Pole Pieces

Infinity Reference 860W - Open Box, Good Condition (Used)

250W 8" Reference Series Single 4 ohm Subwoofer Open Box Complete (Good, Used)

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250W 8" Reference Series Single 4 ohm Subwoofer Open Box Complete (Good, Used)

• 1000W Peak
• 250W RMS
• High-Gloss Polypropylene Woofer
• Large-Roll Rubber Surround
• 2" Voice Coil
• Vented Pole Pieces

• 1000W Peak
• 250W RMS
• High-Gloss Polypropylene Woofer
• Large-Roll Rubber Surround
• 2" Voice Coil
• Vented Pole Pieces

Infinity Reference 850W

8" Single 4 ohms Reference Series Subwoofer (REF850W)

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8" Single 4 ohms Reference Series Subwoofer (REF850W)

8" Single 4 Ohm Reference Series Subwoofer • 200W RMS • 800W Peak • polypropylene cone • butyl rubber surround • reduced-depth steel basket • unique inboard motor structure

8" Single 4 Ohm Reference Series Subwoofer • 200W RMS • 800W Peak • polypropylene cone • butyl rubber surround • reduced-depth steel basket • unique inboard motor structure

Infinity Reference 860W OPEN BOX COMPLETE

250W 8" Reference Series Single 4 ohm Subwoofer

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250W 8" Reference Series Single 4 ohm Subwoofer

item is used, has been previously installed, and wires are cut
• 1000W Peak
• 250W RMS
• High-Gloss Polypropylene Woofer
• Large-Roll Rubber Surround
• 2" Voice Coil
• Vented Pole Pieces

item is used, has been previously installed, and wires are cut
• 1000W Peak
• 250W RMS
• High-Gloss Polypropylene Woofer
• Large-Roll Rubber Surround
• 2" Voice Coil
• Vented Pole Pieces

Infinity Reference 850W R/B

8" Reference Series Subwoofer

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8" Reference Series Subwoofer

8" Reference Series Subwoofer • 200W RMS • 800W Peak • polypropylene cone • butyl rubber surround • reduced-depth steel basket • unique inboard motor structure

8" Reference Series Subwoofer • 200W RMS • 800W Peak • polypropylene cone • butyl rubber surround • reduced-depth steel basket • unique inboard motor structure

2 Pack of Infinity Reference 860W

Pair of 8" Single 4 ohm Reference Series Car Subwoofers

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Pair of 8" Single 4 ohm Reference Series Car Subwoofers

• 1000W Peak
• 250W RMS
• High-Gloss Polypropylene Woofer
• Large-Roll Rubber Surround
• 2" Voice Coil
• Vented Pole Pieces

• 1000W Peak
• 250W RMS
• High-Gloss Polypropylene Woofer
• Large-Roll Rubber Surround
• 2" Voice Coil
• Vented Pole Pieces

Infinity Reference 860W Open Box

(Open Box) 8" Single 4 ohm Reference Series Subwoofer (REF860W)

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(Open Box) 8" Single 4 ohm Reference Series Subwoofer (REF860W)

8" Single 4 Ohm Reference Series Subwoofer • 250 Watts RMS • 1000 Watts Max • High-Gloss Polypropylene Woofer • Large-Roll Rubber Surround • 2" Voice Coil • Vented Pole Pieces

8" Single 4 Ohm Reference Series Subwoofer • 250 Watts RMS • 1000 Watts Max • High-Gloss Polypropylene Woofer • Large-Roll Rubber Surround • 2" Voice Coil • Vented Pole Pieces

Infinity Reference-Flex8

600W Max (150W RMS) 8" Single 2 ohm Adjustable Depth Car Subwoofer for Factory Location Upgrades

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600W Max (150W RMS) 8" Single 2 ohm Adjustable Depth Car Subwoofer for Factory Location Upgrades

• 600W Max
• 150W RMS
• Polypropylene Cone
• Large Roll Rubber Surround
• Adjustable Height
• Mounts in Factory Locations
• Keeps Factory Look in Vehicles

• 600W Max
• 150W RMS
• Polypropylene Cone
• Large Roll Rubber Surround
• Adjustable Height
• Mounts in Factory Locations
• Keeps Factory Look in Vehicles

Infinity Kappa 83WDSSI (INFSUBKA83WDSSIAM)

8” Subwoofer w/SSI™ (Selectable Smart Impedance)

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8” Subwoofer w/SSI™ (Selectable Smart Impedance)

• Peak Power: 1200W
• RMS Power: 400W
• Damped Glass-Fiber Cone
• 2" two-sided ducted airflow Voice Coils

• Peak Power: 1200W
• RMS Power: 400W
• Damped Glass-Fiber Cone
• 2" two-sided ducted airflow Voice Coils

Infinity Kappa 800W

1600W Peak (400W RMS) 8" Kappa Series Selectable Smart Impedance (SSI) Subwoofer

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1600W Peak (400W RMS) 8" Kappa Series Selectable Smart Impedance (SSI) Subwoofer

• 400 Watts RMS
• 1600 Watts Max
• Acoustically damped glass-fiber cone
• Proprietary aero-cooling design
• Acoustically damped glass-fiber cone
• Premium screw down terminals
• Two-sided, ducted airflow design

• 400 Watts RMS
• 1600 Watts Max
• Acoustically damped glass-fiber cone
• Proprietary aero-cooling design
• Acoustically damped glass-fiber cone
• Premium screw down terminals
• Two-sided, ducted airflow design

Infinity Reference-Flex8 (Open Box, Great)

600W Max (150W RMS) 8" Single 2 ohm Adjustable Depth Car Subwoofer for Factory Location Upgrades

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600W Max (150W RMS) 8" Single 2 ohm Adjustable Depth Car Subwoofer for Factory Location Upgrades

• 600W Max
• 150W RMS
• Polypropylene Cone
• Large Roll Rubber Surround
• Adjustable Height
• Mounts in Factory Locations
• Keeps Factory Look in Vehicles

• 600W Max
• 150W RMS
• Polypropylene Cone
• Large Roll Rubber Surround
• Adjustable Height
• Mounts in Factory Locations
• Keeps Factory Look in Vehicles

Infinity KAPPA83WDSSI - New (Damaged Packaging, Product A+)

1200W Peak (400W RMS) 8” KAPPA Series SSI Selectable 2/4-ohm Subwoofer

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1200W Peak (400W RMS) 8” KAPPA Series SSI Selectable 2/4-ohm Subwoofer

• Peak Power: 1200 watts
• RMS Power: 400 watts
• Impedance: Dual 2 or 4 ohm
• Glass Fiber Cone
• Mount depth: 5.157"
• Sensitivity: 91 dB

• Peak Power: 1200 watts
• RMS Power: 400 watts
• Impedance: Dual 2 or 4 ohm
• Glass Fiber Cone
• Mount depth: 5.157"
• Sensitivity: 91 dB

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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.
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    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!
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.