Memorial Day Sale.Ends 5/27. Limited quantities. No rainchecks.Shop now

Skip to content
Main Content

18 inch car subs

No content

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

If you're looking for a way to add muscle to your car's sound system, or just want to take the edge off the bass when you're driving down the road, a set of subwoofers is a great place to start. Browse the top-ranked list of 18-inch car subs below along with associated reviews and opinions.

Main Results
  1. 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
  2. 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
  3. 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
  4. 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...Kicker sub...Great quality sub for a great price. Service was great."

    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
    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...Kicker sub...Great quality sub for a great price. Service was great."

    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
  5. SVS - 16" 1500W Powered Subwoofer - Gloss Piano Black - Front_Zoom

    Model: SB16-ULTRA - PIANO GLOSS - 120
    SKU: 5708039
    Top comment

    "This sub rocks. Purchased two of them to replace a single 18" I've had for 20 years. ...This sub is wonderful at high or low volumes and impresses me with music and movies! "

    See all customer reviews

    Product Description

    Listen to sound at incredible volume with this 16-inch SVS Ultra subwoofer. Its 1500W RMS of power produce ultralow bass for thunderous vibrations and tone, letting you enjoy complete immersion in your tunes or movies. Fiberglass construction ensures minimal flexing and maximum sound control for distortion-free audio accuracy from this SVS Ultra subwoofer.
    See all Subwoofer Speakers
    Top comment

    "This sub rocks. Purchased two of them to replace a single 18" I've had for 20 years. ...This sub is wonderful at high or low volumes and impresses me with music and movies! "

    See all customer reviews

    Product Description

    Listen to sound at incredible volume with this 16-inch SVS Ultra subwoofer. Its 1500W RMS of power produce ultralow bass for thunderous vibrations and tone, letting you enjoy complete immersion in your tunes or movies. Fiberglass construction ensures minimal flexing and maximum sound control for distortion-free audio accuracy from this SVS Ultra subwoofer.
    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

    "A great sub!...I purchased this 13" sub because of the Freq. Response range of 18-270Hz ±3 dB. ...This sub is the Mighty Mouse of subs. It sounds awesome, shakes the house and is awesome for movies and music."

    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
    Top comment

    "A great sub!...I purchased this 13" sub because of the Freq. Response range of 18-270Hz ±3 dB. ...This sub is the Mighty Mouse of subs. It sounds awesome, shakes the house and is awesome for movies and music."

    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. Klipsch - Reference Series 12" 400W Powered Subwoofer - Black - Front_Zoom
    Top comment

    "Upgraded from the eight inch Klipsch subs. Got two 12 inch subs. Massive improvement. ...I had a cerwin vega 10 inch sub. Love the klipsch 12. Wished i would have bought the spl15 thou. "

    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
    Top comment

    "Upgraded from the eight inch Klipsch subs. Got two 12 inch subs. Massive improvement. ...I had a cerwin vega 10 inch sub. Love the klipsch 12. Wished i would have bought the spl15 thou. "

    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
  8. KICKER - CompVX 15" Dual-Voice-Coil 4-Ohm Subwoofer - Black - Front_Zoom
    Top comment

    "Awesome sub"

    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
    Top comment

    "Awesome sub"

    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
  9. Sony - SA-SW5 300W Wireless Subwoofer - Black - Front_Zoom
    Top comment

    "The sub should be bigger. It's a 8 inch subwoofer and it needs a lot more bass and power. ...Awesome Sub...One of the best wireless subs."

    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
    Top comment

    "The sub should be bigger. It's a 8 inch subwoofer and it needs a lot more bass and power. ...Awesome Sub...One of the best wireless subs."

    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. Bowers & Wilkins - DB Series Dual 12" Powered Subwoofer - Gloss Black - Front_Zoom

    Model: DB1D SUBWOOFER, GLOSS BLACK
    SKU: 5796778
    Top comment

    "This sub was easy to setup. Use your phone to calibrate....Output is more consistent with a single 15 or 16 inch sub but because it’s sealed it doesn’t require a refrigerator sized cabinet. "

    See all customer reviews

    Product Description

    Relish the power and precision of this Bowers & Wilkins subwoofer. It has a frequency range of 8.5Hz-500Hz, and the 2000W amplifier drives two 12-inch Aerofoil-cone units, which are precisely balanced to produce the best sound. The app-based setup puts this Bowers & Wilkins subwoofer only a click away from a fantastic performance.
    See all Subwoofer Speakers
    Top comment

    "This sub was easy to setup. Use your phone to calibrate....Output is more consistent with a single 15 or 16 inch sub but because it’s sealed it doesn’t require a refrigerator sized cabinet. "

    See all customer reviews

    Product Description

    Relish the power and precision of this Bowers & Wilkins subwoofer. It has a frequency range of 8.5Hz-500Hz, and the 2000W amplifier drives two 12-inch Aerofoil-cone units, which are precisely balanced to produce the best sound. The app-based setup puts this Bowers & Wilkins subwoofer only a click away from a fantastic performance.
    See all Subwoofer Speakers
    See all Subwoofer Speakers
No content
No content