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8" Car Subwoofers

Shop the best selection of 8-inch car subwoofers and get compact, powerful performance with our 8-inch car subwoofers. Perfect for any car audio setup, these subs pack a punch with deep, dynamic bass in a small package.

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Sundown Audio SML-8 D4 8" (SML8D4)

800W Peak (400W RMS) 8" SML Series Dual 4-ohm Shallow Car Subwoofer (SW-SML8D4)

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800W Peak (400W RMS) 8" SML Series Dual 4-ohm Shallow Car Subwoofer (SW-SML8D4)

• Peak Power: 800 watts
• RMS Power: 400 watts
• Impedance: Dual 4 ohm
• Pressed Paper cone
• Pressed Foam surround
• Mount depth: 3.9"
• Sensitivity: 82.5 dB

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List price $203.99
-7% $189.99

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JBL Stage 82 (JBLSUBST82AM)

800W Peak (200W RMS) 8" Stage Series Single 4-ohm Car Subwoofer

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800W Peak (200W RMS) 8" Stage Series Single 4-ohm Car Subwoofer

• Peak Power: 800 watts
• RMS Power: 200 watts
• Impedance: Single 4 ohm
• Polypropylene Subwoofer Cone material
• Rubber Subwoofer Surround material
• Mount depth: 3-15/16"
• Sensitivity: 88 dB

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List price $109.95
-18% $89.95

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Deaf Bonce Machete MF-08S D4

1200W Peak (600W RMS) 8” Machete Series Dual 4-Ohm Subwoofer

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1200W Peak (600W RMS) 8” Machete Series Dual 4-Ohm Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 4 ohm
• Mount depth: 4.56"
• Sensitivity: 84.30 dB

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$119.90

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Kicker CWRT82 (48CWRT82)

600W Peak (300W RMS) 8" CompRT Series Dual 2-ohm Shallow Car Subwoofer

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600W Peak (300W RMS) 8" CompRT Series Dual 2-ohm Shallow Car Subwoofer

• Peak Power: 600 watts
• RMS Power: 300 watts
• Impedance: Dual 2 ohm
• UV-Treated Polypropylene Cone
• UV-resistant Santoprene Surround
• Mount depth: 2-11/16"
• Sensitivity: 81.8 dB

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List price $209.99
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-28% $151.96

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Kicker CWRT84 (48CWRT84) (Open Box, Great)

600W Peak (300W RMS) 8" CompRT Series Dual 4-ohm Shallow Car Subwoofer

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600W Peak (300W RMS) 8" CompRT Series Dual 4-ohm Shallow Car Subwoofer

• Peak Power: 600 watts
• RMS Power: 300 watts
• Impedance: Dual 4 ohm
• UV-Treated Polypropylene Cone
• UV-resistant Santoprene Surround
• Mount depth: 2-11/16"
• Sensitivity: 81.8 dB

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List price $209.99
-37% $132.99
$119.69 with coupon | Price details

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Only 3 Left!

• Peak Power: 600 watts
• RMS Power: 300 watts
• Impedance: Dual 4 ohm
• UV-Treated Polypropylene Cone
• UV-resistant Santoprene Surround
• Mount depth: 2-11/16"
• Sensitivity: 81.8 dB

Limited time!

Kicker CWR84 (48CWR84) (Open Box, Good)

600W Peak (300W RMS) 8” CompR Series Dual 4-ohm Subwoofer

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600W Peak (300W RMS) 8” CompR Series Dual 4-ohm Subwoofer

• Peak Power: 600 watts
• RMS Power: 150-300 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Santoprene Rubber Surround
• Mount depth: 4 1/8"
• Sensitivity: 82.1 dB

10% Off Open Box!
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List price $139.99
-46% $75.99
$68.39 with coupon | Price details

In stock

Only 1 Left!

• Peak Power: 600 watts
• RMS Power: 150-300 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Santoprene Rubber Surround
• Mount depth: 4 1/8"
• Sensitivity: 82.1 dB

Sundown Audio Z-8 D1 8" (Z8D1)

4000W Peak (2000W RMS) 8" Z Series Dual 1-ohm Car Subwoofer (SW-Z8D1)

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4000W Peak (2000W RMS) 8" Z Series Dual 1-ohm Car Subwoofer (SW-Z8D1)

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 1 ohm
• Polypropylene Cone
• Mega Roll V2 Surround
• Mount depth: 9.5"
• Sensitivity: 78.24 dB

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List price $839.99
-17% $699.99

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Kicker L7S84 (44L7S84)

900W Peak (450W RMS) 8” Solo-Baric L7S Series Dual 4-ohm Subwoofer

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900W Peak (450W RMS) 8” Solo-Baric L7S Series Dual 4-ohm Subwoofer

• Peak Power: 900 watts
• RMS Power: 450 watts
• Impedance: Dual 4 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 4-3/4"
• Sensitivity: 82.37 dB

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List price $239.99
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-27% $175.96

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Kicker L7X82 (49L7X82)

800W RMS 8" SoloX Series Dual 2-ohm Subwoofer

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800W RMS 8" SoloX Series Dual 2-ohm Subwoofer

• RMS Power: 400 - 800 watts
• Impedance: Dual 2 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 7-15/16"

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List price $479.99
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• RMS Power: 400 - 800 watts
• Impedance: Dual 2 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 7-15/16"

Limited time!

Kicker L7S84 (44L7S84) (Open Box, Good)

900W Peak (450W RMS) 8” Solo-Baric L7S Series Dual 4-ohm Subwoofer

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900W Peak (450W RMS) 8” Solo-Baric L7S Series Dual 4-ohm Subwoofer

• Peak Power: 900 watts
• RMS Power: 450 watts
• Impedance: Dual 4 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 4-3/4"
• Sensitivity: 82.37 dB

10% Off Open Box!
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List price $239.99
-45% $131.99
$118.79 with coupon | Price details

In stock

Only 2 Left!

• Peak Power: 900 watts
• RMS Power: 450 watts
• Impedance: Dual 4 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 4-3/4"
• Sensitivity: 82.37 dB

Limited time!

Kicker L7X81 (49L7X81) (Open Box, Great)

800W RMS 8" SoloX Series Dual 1-ohm Subwoofer

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800W RMS 8" SoloX Series Dual 1-ohm Subwoofer

• RMS Power: 400 - 800 watts
• Impedance: Dual 1 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 7-15/16"

10% Off Open Box!
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List price $479.99
-34% $314.99
$283.49 with coupon | Price details

In stock

Only 1 Left!

• RMS Power: 400 - 800 watts
• Impedance: Dual 1 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 7-15/16"

Sundown Audio X-8 v.3 D4 8" (X8V3D4)

800W RMS 8" X Series V3 Dual 2-ohm Car Subwoofer (XV38D4)

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800W RMS 8" X Series V3 Dual 2-ohm Car Subwoofer (XV38D4)

• RMS Power: 800 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• FEA optimized spider and surround
• Mount depth: 6.8"
• Sensitivity: 81.8 dB

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List price $467.99
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• RMS Power: 800 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• FEA optimized spider and surround
• Mount depth: 6.8"
• Sensitivity: 81.8 dB

Limited time!

Rockford Fosgate Punch P2 P2D4-8

500W Peak (250W RMS) 8" Punch Series Dual 4-ohm Car Subwoofer

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500W Peak (250W RMS) 8" Punch Series Dual 4-ohm Car Subwoofer

• Peak Power: 500 watts
• RMS Power: 250 watts
• Impedance: Dual 4 ohm
• Kevlar Reinforced Pulp Paper Cone
• Rubber Surround
• Mount depth: 4.76"
• Sensitivity: 83 dB

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Diamond Audio DES82 (Open Box, Great)

500W Peak (250W RMS) 8" DES Series Dual 2-ohm Car Subwoofer

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500W Peak (250W RMS) 8" DES Series Dual 2-ohm Car Subwoofer

• Peak Power: 500 watts
• RMS Power: 250 watts
• Fiber-Reinforced High Strength Paper Cone
• Impedance: Dual 2 ohm
• Sensitivity: 82 dB

10% Off Open Box!
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List price $219.99
-24% $167.99
$151.19 with coupon | Price details

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• Peak Power: 500 watts
• RMS Power: 250 watts
• Fiber-Reinforced High Strength Paper Cone
• Impedance: Dual 2 ohm
• Sensitivity: 82 dB

Limited time!

Kicker L7S82 (44L7S82) (Open Box, Great)

900W Peak (450W RMS) 8” Solo-Baric L7S Series Dual 2-ohm Subwoofer

L7S82 big
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900W Peak (450W RMS) 8” Solo-Baric L7S Series Dual 2-ohm Subwoofer

• Peak Power: 900 watts
• RMS Power: 450 watts
• Impedance: Dual 2 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 4-3/4"
• Sensitivity: 82.37 dB

10% Off Open Box!
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List price $239.99
-36% $153.99
$138.59 with coupon | Price details

In stock

Only 1 Left!

• Peak Power: 900 watts
• RMS Power: 450 watts
• Impedance: Dual 2 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 4-3/4"
• Sensitivity: 82.37 dB

Limited time!

Alpine S2-W8D2

900W Peak (300W RMS) 8" S-Series Dual 2-ohm Car Subwoofer

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900W Peak (300W RMS) 8" S-Series Dual 2-ohm Car Subwoofer

• Peak Power: 900 watts
• RMS Power: 300 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Polypropylene Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 3.71"
• Sensitivity: 82.6 dB

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Massive Audio Hippo H82XR

2000W Peak (1000W RMS) 8" Hippo Series Dual 2-ohm Subwoofer

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2000W Peak (1000W RMS) 8" Hippo Series Dual 2-ohm Subwoofer

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Impedance: Dual 2 ohm
• Kevlar fiber reinforced Non-Pressed Paper cone with industrial textured finish
• Tall and narrow Foam surround
• Sensitivity: 84.44 dB

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List price $351.95
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Diamond Audio DES84

500W Peak (250W RMS) 8" DES Series Dual 4-ohm Car Subwoofer

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500W Peak (250W RMS) 8" DES Series Dual 4-ohm Car Subwoofer

• Peak Power: 500 watts
• RMS Power: 250 watts
• Fiber-Reinforced High Strength Paper Cone
• Impedance: Dual 4 ohm
• Sensitivity: 82.1 dB

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$239.99

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Cerwin-Vega V8DV2

2400W Peak (800W RMS) 8" Vega Series Dual 2-ohm Subwoofer

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2400W Peak (800W RMS) 8" Vega Series Dual 2-ohm Subwoofer

• Peak Power: 2400 watts
• RMS Power: 800 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Polypropylene Cone
• Santoprene Rubber Surround
• Mount depth: 5.43"
• Sensitivity: 85 dB

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List price $227.99
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Hertz CS 200 S4

300W Peak (150W RMS) 8" Cento Series Single 4-ohm Car Subwoofer

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300W Peak (150W RMS) 8" Cento Series Single 4-ohm Car Subwoofer

• Peak Power: 300 watts
• RMS Power: 150 watts
• Impedance: Single 4 ohm
• Polypropylene cone
• Rubber surround
• Mount depth: 3.98"
• Sensitivity: 84 dB

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List price $255.00
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    FAQ Frequently asked questions in 8" Car Subwoofers


    8" Car Subwoofers Frequently Asked Questions (FAQ)
    The primary benefit of using an 8"" car subwoofer is its ability to deliver punchy and tight bass without compromising valuable trunk or cabin space. While larger subwoofers might provide deeper bass, an 8"" subwoofer strikes a perfect balance between size and performance. It is ideal for compact cars and vehicles with limited space, where larger subwoofers may not fit. Despite their smaller size, modern 8"" subwoofers are designed with advanced technologies, such as high-quality materials, efficient power handling, and optimized enclosures, to deliver impressive bass response and enhance your audio system's overall sound quality. They are perfect for music enthusiasts who want to experience enhanced bass performance without sacrificing the practicality of their vehicle's interior.
    Yes, you can install an 8"" car subwoofer in a factory audio system. Most factory audio systems lack the low-frequency output needed to reproduce deep bass, and adding an 8"" subwoofer can significantly improve the audio quality. To integrate the subwoofer with a factory system, you'll need a compatible amplifier or an active subwoofer with a built-in amplifier. Additionally, you might require a line output converter (LOC) to connect the subwoofer to the factory head unit. It's essential to use a subwoofer with appropriate power handling and impedance to match the factory system's capabilities. Installing an 8"" subwoofer can bring a new dimension to your car audio experience, delivering richer and more impactful bass that complements your vehicle's factory speakers.
    The type of enclosure best suited for an 8"" car subwoofer depends on your preferences and available space. There are two common types of enclosures: sealed and ported. A sealed enclosure provides tight and accurate bass, making it suitable for music genres that require precision, such as rock and jazz. On the other hand, a ported (vented) enclosure enhances low-end output, providing a boomy and more resonant bass that suits genres like hip-hop and electronic music. However, ported enclosures require more space compared to sealed enclosures. If you have limited space, a compact sealed enclosure can still deliver impressive bass response with a smaller footprint. Ultimately, the best enclosure for your 8"" car subwoofer will depend on your musical preferences, available space, and the type of bass performance you desire.
    Yes, you can install multiple 8"" car subwoofers in your vehicle to create a more robust and impactful bass experience. Adding multiple subwoofers increases the total cone surface area, which results in higher sound pressure levels and improved low-frequency output. Installing two or more 8"" subwoofers in a custom enclosure can also help in distributing bass more evenly throughout the vehicle's interior, eliminating any potential ""dead spots"" where bass response may be weaker. However, adding multiple subwoofers requires careful consideration of amplifier power and impedance matching to ensure proper performance and avoid overloading the amplifier. Additionally, you may need to make modifications to your vehicle's interior or trunk space to accommodate the extra subwoofers and the necessary enclosure.
    Ensuring proper compatibility when choosing an 8"" car subwoofer for your audio system involves considering several factors. First, check the subwoofer's power handling rating to ensure it can handle the power output of your amplifier. The subwoofer's impedance should also match the amplifier's minimum stable load. Additionally, consider the type of enclosure you plan to use and choose a subwoofer that is suitable for that enclosure type (sealed or ported). Pay attention to the subwoofer's sensitivity rating, as higher sensitivity means the subwoofer can produce more sound with less power. Lastly, consider the available space in your vehicle and select a subwoofer that fits comfortably in your desired location. By carefully matching these specifications, you can ensure the 8"" car subwoofer you choose will seamlessly integrate into your audio system and deliver exceptional bass performance.
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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
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.