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8" subwoofers & enclosures

Cheap Subwoofers

If you're looking for a subwoofer that will deliver the goods, but don't want to spend a lot of money, you'll find plenty of options. These subwoofers are designed to give you the best bang for your buck. Browse the top-ranked list of cheap subwoofers below along with associated reviews and opinions.

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  1. 5 CORE - 8" Subwoofer Pair 500W Car Audio Sub Woofer Speaker 4 Ohm Bass Replacement Subwoofers Driver - Black

    SKU: J3GWLWVPF7

    Product Description

    A pair of black steel-frame subwoofers delivering 500W peak power and deep, distortion-free bass.
    See all 8" Subwoofers & Enclosures
    Your price for this item is $25.99
    Save $3
    The previous price was $28.99

  2. 5 CORE - 8 Inch Car Woofer Audio 1000W 4Ohm Deep Bass Replacement Sub Woofer Loud Speaker System

    SKU: J3GWLWVKLK

    Product Description

    A powerful 8-inch car subwoofer with 1000W peak power, 4-ohm impedance, and deep, distortion-free bass.
    See all 8" Subwoofers & Enclosures
    Your price for this item is $20.49
    Save $0
    The previous price was $20.99

  3. Kenwood - Road Series 12" Single-Voice-Coil 4-Ohm Subwoofer - Black

    SKU: J72276SGXC

    Very good sounding subwoofers they are great quality in everything and the sound is perfect...This subwoofer was one of the best subwoofers ive ever had in a vehicle. ...Best subwoofers

    Product Description

    A black single-voice-coil subwoofer delivering powerful 1000W bass with a 36-300Hz frequency response.
    See all 12" Subwoofers & Enclosures
    Your price for this item is $59.99

  4. Insignia™ - 2.1 Channel Soundbar with Wireless Subwoofer, DTS Virtual:X, Bluetooth, and Dialogue Enhancement - Black

    SKU: J2FPJK9LZF

    Product Description

    A black 2.1-channel soundbar with wireless subwoofer, DTS Virtual:X, Bluetooth, and dialogue enhancement features.
    See all Sound Bars
    Your price for this item is $94.99
    Save $5
    The previous price was $99.99

  5. VEVOR - 10" 240W Underseat Car Subwoofer, Slim Powered Car Subwoofers Under the Seat, Low Profile Audio Sub Built-in Amplifier - Black

    SKU: JJGHK58XKL

    Product Description

    A slim black underseat subwoofer with built-in amplifier delivers 240W of powerful, clear car audio bass.
    See all 10" Subwoofers & Enclosures
    Your price for this item is $83.90
    Save $5
    The previous price was $88.99

  6. Topteng - 8" 600W Under-Seat Powered Car Subwoofer - Slim Amplified Enclosure, 12V, w/ Wiring Kit, for Compact Vehicles

    SKU: J3R9F7YY82

    Product Description

    A slim, 600W under-seat subwoofer with alloy body and stainless steel grille delivers powerful, space-saving bass.
    See all 8" Subwoofers & Enclosures
    Your price for this item is $79.99

  7. VEVOR - 8" 240W Underseat Car Subwoofer, Slim Powered Car Subwoofers Under the Seat, Low Profile Audio Sub Built-in Amplifier - Black

    SKU: JJGHK58XZ4

    Product Description

    A slim black under-seat subwoofer with built-in amplifier delivers 240W of powerful, clear bass.
    See all 8" Subwoofers & Enclosures
    Your price for this item is $79.90

  8. 5 CORE - Subwoofer 8" 500W Car Audio Sub Woofer Speaker 4 Ohm Bass Replacement Subwoofers Driver 4Pcs - Black

    SKU: J3GWRS38Y5

    Product Description

    A black 8-inch car subwoofer set delivering powerful, distortion-free bass with a durable steel frame.
    See all 8" Subwoofers & Enclosures
    Your price for this item is $42.99
    Save $14
    The previous price was $56.99

  9. VEVOR - 8" 300W Underseat Car Subwoofer, Slim Powered Car Subwoofers Under the Seat, Low Profile Audio Sub Built-in Amplifier - Black

    SKU: JJGHK58XKQ

    Product Description

    A slim black underseat subwoofer with built-in amplifier delivers 300W of powerful, clear car audio bass.
    See all 8" Subwoofers & Enclosures
    Your price for this item is $79.90
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.