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18 inch car subwoofers

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Best Buy customers often prefer the following products when searching for 18 inch car subwoofers.

If you're looking to add a little bass to your car's sound system, an 18-inch subwoofer is the way to go. These subwoofers are designed to fit into the trunk or backseat of your car and can be mounted in any number of ways. Browse the top-ranked list of 18-inch car subwoofers below along with associated reviews and opinions.

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  1. Sonos - Sub (Gen 3) Wireless Subwoofer - White - Front_Zoom

    Model: SONOS SUB (GEN3) US (WHITE)
    SKU: 6411138
    Top comment

    "Great wireless subwoofer...The Sonos SUB Gen 3 is one of the best wireless subwoofers. It has a great bass, and a unique design....Love this subwoofer - can't live without...I have 2 subwoofers one in the kitchen and one in the living room/family room. "

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    Product Description

    Upgrade your audio system with this white Sonos Sub wireless subwoofer. The two force-canceling drivers produce rich unadulterated bass sounds and prevent vibration and rattles for quality listening. This Sonos Sub wireless subwoofer features a slim design that supports vertical or horizontal placement, and the Trueplay technology lets you tune your music to your preferences.
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    Top comment

    "Great wireless subwoofer...The Sonos SUB Gen 3 is one of the best wireless subwoofers. It has a great bass, and a unique design....Love this subwoofer - can't live without...I have 2 subwoofers one in the kitchen and one in the living room/family room. "

    See all customer reviews

    Product Description

    Upgrade your audio system with this white Sonos Sub wireless subwoofer. The two force-canceling drivers produce rich unadulterated bass sounds and prevent vibration and rattles for quality listening. This Sonos Sub wireless subwoofer features a slim design that supports vertical or horizontal placement, and the Trueplay technology lets you tune your music to your preferences.
    See all Subwoofer Speakers
    See all Subwoofer Speakers
  2. KICKER - CompC 15" Single-Voice-Coil 4-Ohm Subwoofer - Black - Front_Zoom

    Product Description

    Discover high performance sound from this Kicker 15-inch subwoofer. The 4-ohm voice coil ensures maximum output from the injection-molded polypropylene cone, while the perimeter venting ensures plenty of thermal management to ensure it doesn't get too hot. The ribbed polyurethane surround of this Kicker 15-inch subwoofer means maximum durability for your car audio system. Geek Squad® Installation Recommended. Visit your local Best Buy store for more information.
    See all Car Subwoofers & Enclosures

    Product Description

    Discover high performance sound from this Kicker 15-inch subwoofer. The 4-ohm voice coil ensures maximum output from the injection-molded polypropylene cone, while the perimeter venting ensures plenty of thermal management to ensure it doesn't get too hot. The ribbed polyurethane surround of this Kicker 15-inch subwoofer means maximum durability for your car audio system. Geek Squad® Installation Recommended. Visit your local Best Buy store for more information.
    See all Car Subwoofers & Enclosures
    See all Car Subwoofers & Enclosures
  3. KICKER - CompC 10" Loaded Enclosures Dual Single-Voice-Coil 2-Ohm Subwoofers - Black - Front_Zoom

    Product Description

    Upgrade your car stereo system with this Kicker 10-inch CompC 2-ohm subwoofer. Simple setup makes this unit easy to install with your amplifier, and the convenient size fits neatly in your vehicle's cargo area. With heavy MDF construction and thick carpeting, this Kicker 10-inch CompC 2-ohm subwoofer offers long-lasting durability, even when you kick up the bass. Geek Squad® Installation Recommended Visit your local Best Buy store for more information.
    See all Car Subwoofers & Enclosures

    Product Description

    Upgrade your car stereo system with this Kicker 10-inch CompC 2-ohm subwoofer. Simple setup makes this unit easy to install with your amplifier, and the convenient size fits neatly in your vehicle's cargo area. With heavy MDF construction and thick carpeting, this Kicker 10-inch CompC 2-ohm subwoofer offers long-lasting durability, even when you kick up the bass. Geek Squad® Installation Recommended Visit your local Best Buy store for more information.
    See all Car Subwoofers & Enclosures
    See all Car Subwoofers & Enclosures
  4. KICKER - CompC 12" Loaded Enclosures Dual Single-Voice-Coil 2-Ohm Subwoofers - Black - Front_Zoom

    Product Description

    Upgrade your car stereo system with this Kicker 12-inch CompC 2-ohm subwoofer. Simple setup makes this unit easy to install with your amplifier, and the convenient size fits neatly in your vehicle's cargo area. With heavy MDF construction and thick carpeting, this Kicker 12-inch CompC 2-ohm subwoofer offers long-lasting durability, even when you kick up the bass. Geek Squad® Installation Recommended Visit your local Best Buy store for more information.
    See all Car Subwoofers & Enclosures

    Product Description

    Upgrade your car stereo system with this Kicker 12-inch CompC 2-ohm subwoofer. Simple setup makes this unit easy to install with your amplifier, and the convenient size fits neatly in your vehicle's cargo area. With heavy MDF construction and thick carpeting, this Kicker 12-inch CompC 2-ohm subwoofer offers long-lasting durability, even when you kick up the bass. Geek Squad® Installation Recommended Visit your local Best Buy store for more information.
    See all Car Subwoofers & Enclosures
    See all Car Subwoofers & Enclosures
  5. MartinLogan - Dynamo 1600X 15" 1800W Sealed, Powered Subwoofer, with Sub Control App and Wireless Ready - Satin Black - Front_Zoom
    Top comment

    "Easily fills my theater room which is 18' x 25'....Wow, Subwoofer Made an Immediate Difference...I bought this monster to replace and old Outlaw Audio LFM-1. New subwoofer was easy to install using my existing subwoofer cable. "

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    Product Description

    Feel the beat with this MartinLogan Dynamo 1600X subwoofer. The advanced woofers and powerful amplifiers provide a wide frequency response with a peak of 1800W for a big crystal-clear sound. The included app makes it easy to adjust this MartinLogan Dynamo 1600X subwoofer from your phone, and Anthem room correction automatically changes settings to fill the space.
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    Top comment

    "Easily fills my theater room which is 18' x 25'....Wow, Subwoofer Made an Immediate Difference...I bought this monster to replace and old Outlaw Audio LFM-1. New subwoofer was easy to install using my existing subwoofer cable. "

    See all customer reviews

    Product Description

    Feel the beat with this MartinLogan Dynamo 1600X subwoofer. The advanced woofers and powerful amplifiers provide a wide frequency response with a peak of 1800W for a big crystal-clear sound. The included app makes it easy to adjust this MartinLogan Dynamo 1600X subwoofer from your phone, and Anthem room correction automatically changes settings to fill the space.
    See all Subwoofer Speakers
    See all Subwoofer Speakers
  6. SVS - 13" 800W Powered Subwoofer - Black Ash - Front_Zoom

    Model: SB-3000 SUBWOOFER - BLACK ASH
    SKU: 6315936
    Top comment

    "Can be better for the price. 16” are better svs subwoofers...This subwoofer is everything they say it is. I've had a few subwoofers ( Veloydne F1500R, JBL L8400, JBL S120P, and a few others. "

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    Product Description

    Deepen your sonic experience with this SVS subwoofer. Its 13-inch high-excursion aluminum vented cone driver produces incredible bass details at 18-270Hz, and the companion app lets you optimize its sonic performance for music, movie, gaming and other custom applications. Hear clean, powerful sound thanks to the 800W Sledge Class D amplifier of this SVS subwoofer.
    See all Subwoofer Speakers
    Top comment

    "Can be better for the price. 16” are better svs subwoofers...This subwoofer is everything they say it is. I've had a few subwoofers ( Veloydne F1500R, JBL L8400, JBL S120P, and a few others. "

    See all customer reviews

    Product Description

    Deepen your sonic experience with this SVS subwoofer. Its 13-inch high-excursion aluminum vented cone driver produces incredible bass details at 18-270Hz, and the companion app lets you optimize its sonic performance for music, movie, gaming and other custom applications. Hear clean, powerful sound thanks to the 800W Sledge Class D amplifier of this SVS subwoofer.
    See all Subwoofer Speakers
    See all Subwoofer Speakers
  7. KICKER - Solo-Baric L7S 15" Dual-Voice-Coil 2-Ohm Subwoofer - Black - Front_Zoom
    Top comment

    "Download radio get that kicker L7S series in your car right now who you playing you going to get your feelings hurt if I roll up on you and you got anything less...I bought Dayton home subwoofer amplifier plate 500 watts at 4 ohms. With this kicker at 2 ohms in series connection together with a good subwoofer box, this subwoofer can over power my speakers in 7.2 AV receivers. "

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    Product Description

    Feel your music come alive with this 15-inch Kicker Solo-Baric subwoofer. It has 89.4dB sensitivity rating and keeps the bass strong and throbbing with 2000W peak and 1000W RMS power levels. This square Kicker Solo-Baric subwoofer mounts ported or sealed and has multiple wiring configurations with its 2-ohm dual voice coils. Geek Squad® Installation Recommended Visit your local Best Buy store for more information.
    See all Component Subwoofers
    Top comment

    "Download radio get that kicker L7S series in your car right now who you playing you going to get your feelings hurt if I roll up on you and you got anything less...I bought Dayton home subwoofer amplifier plate 500 watts at 4 ohms. With this kicker at 2 ohms in series connection together with a good subwoofer box, this subwoofer can over power my speakers in 7.2 AV receivers. "

    See all customer reviews

    Product Description

    Feel your music come alive with this 15-inch Kicker Solo-Baric subwoofer. It has 89.4dB sensitivity rating and keeps the bass strong and throbbing with 2000W peak and 1000W RMS power levels. This square Kicker Solo-Baric subwoofer mounts ported or sealed and has multiple wiring configurations with its 2-ohm dual voice coils. Geek Squad® Installation Recommended Visit your local Best Buy store for more information.
    See all Component Subwoofers
    See all Component Subwoofers
  8. Klipsch - Reference Series 12" 400W Powered Subwoofer - Black - Front_Zoom
    Top comment

    "Subwoofer...Very good subwoofers I ended up getting to love them sound is nice...The subwoofer really packs a punch. I watch a lot of car videos and the subs just rumbles from the v8s. "

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    Product Description

    Get earthshaking bass with the all new Next Gen Klipsch Reference subwoofer. The 12-inch spun-copper woofer produces rich, detailed base from the top to the bottom of the frequency response range from 28Hz to 120Hz. The all-digital amplifier in this Klipsch Reference II subwoofer provides a peak of 400W for powerful bass with a max output of 118dB.
    See all Subwoofer Speakers
    Top comment

    "Subwoofer...Very good subwoofers I ended up getting to love them sound is nice...The subwoofer really packs a punch. I watch a lot of car videos and the subs just rumbles from the v8s. "

    See all customer reviews

    Product Description

    Get earthshaking bass with the all new Next Gen Klipsch Reference subwoofer. The 12-inch spun-copper woofer produces rich, detailed base from the top to the bottom of the frequency response range from 28Hz to 120Hz. The all-digital amplifier in this Klipsch Reference II subwoofer provides a peak of 400W for powerful bass with a max output of 118dB.
    See all Subwoofer Speakers
    See all Subwoofer Speakers
  9. Sony - SA-SW5 300W Wireless Subwoofer - Black - Front_Zoom
    Top comment

    "Sony subwoofer...The sub should be bigger. It's a 8 inch subwoofer and it needs a lot more bass and power. ...Best in class subwoofer...Easy sync with sony tv. Better than all subwoofers available in market. A must buy"

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    Product Description

    Power up your home theater system with the booming bass of the SA-SW5 wireless subwoofer, designed to pair seamlessly with your HT-A9/A7000/A5000/A3000 Soundbar to deliver an immersive cinematic experience.
    See all Subwoofer Speakers
    Top comment

    "Sony subwoofer...The sub should be bigger. It's a 8 inch subwoofer and it needs a lot more bass and power. ...Best in class subwoofer...Easy sync with sony tv. Better than all subwoofers available in market. A must buy"

    See all customer reviews

    Product Description

    Power up your home theater system with the booming bass of the SA-SW5 wireless subwoofer, designed to pair seamlessly with your HT-A9/A7000/A5000/A3000 Soundbar to deliver an immersive cinematic experience.
    See all Subwoofer Speakers
    See all Subwoofer Speakers
  10. KICKER - CompVX 15" Dual-Voice-Coil 4-Ohm Subwoofer - Black - Front_Zoom
    Top comment

    "This Kicker VX 15inch subwoofer is off the chain dude, if your looking for a monster to put in your trunk, this is your guy right here dude. "

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    Product Description

    Turn up the bass in your car with this 15-inch Kicker CompVX subwoofer. Its two voice coils have 2 ohms each to drive the sturdy polypropylene cone and produce dynamic bass without distortion, and its vented exterior encourages airflow, preventing overheating during operation. This Kicker CompVX subwoofer has strong insulated tinsel leads for secure connections. Geek Squad® Installation Recommended Visit your local Best Buy store for more information.
    See all Component Subwoofers
    Top comment

    "This Kicker VX 15inch subwoofer is off the chain dude, if your looking for a monster to put in your trunk, this is your guy right here dude. "

    See all customer reviews

    Product Description

    Turn up the bass in your car with this 15-inch Kicker CompVX subwoofer. Its two voice coils have 2 ohms each to drive the sturdy polypropylene cone and produce dynamic bass without distortion, and its vented exterior encourages airflow, preventing overheating during operation. This Kicker CompVX subwoofer has strong insulated tinsel leads for secure connections. Geek Squad® Installation Recommended Visit your local Best Buy store for more information.
    See all Component Subwoofers
    See all Component Subwoofers
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