Best Buy Tech Fest SaleEnds Sunday. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product Search
Main Content
Skip to contentGo to Product Search

Best Buy Tech Fest SaleEnds Sunday. Limited quantities. No rainchecks.Shop now

Main Content
Categories & Filters
Best Buy

/

car audio

/

car amplifiers

/

mono subwoofer amps

300w Amplifiers

Discover the power and precision of 300w amplifiers, designed to elevate your audio experience to new heights. Whether you're upgrading your home theater system or enhancing your car audio setup, these amplifiers deliver robust sound performance that truly resonates. With a focus on clarity and depth, 300w amplifiers provide the perfect balance of power and efficiency, ensuring every note is crisp and clear. Explore our diverse selection to find the ideal amplifier that matches your audio needs and preferences, transforming any space into an immersive sound environment.

Read More
Results
Main Results

  1. 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 $77.90
    Save $9
    The previous price was $86.99

  2. VEVOR - 10" 300W Underseat Car Subwoofer, Slim Powered Car Subwoofers Under the Seat, Low Profile Audio Sub Built-in Amplifier - Black

    SKU: JJGHK58XWH

    Product Description

    A slim black underseat subwoofer with built-in amplifier delivers 300W of powerful, clear bass.
    See all 10" Subwoofers & Enclosures
    Your price for this item is $76.99
    Save $8
    The previous price was $84.99

  3. Crown - DCI4x300-U-USFX Four-channel, Analog Power Amplifier, 300W @ 4Ω, 70V/100V - Black

    SKU: JX6YY4V6FK

    Product Description

    A four-channel black analog power amplifier delivering 300W per channel at 4Ω with 70V/100V support.
    See all Power Amplifiers
    Your price for this item is $2,750.00
    Save $60
    The previous price was $2,810.00

  4. JBL - Club 754AM 300-Watt 4-Channel Class D Amplifier - Black

    SKU: J7LXFWCQTQ

    Product Description

    A black Class D car amplifier delivering 300 watts with variable crossovers and full on-board protection.
    See all Multi-Channel Amps
    Your price for this item is $319.95

  5. Stinger - 4000 Series 10GA Complete Amplifier Wiring Kit for Car Audio Systems up to 300W/30A - Red

    SKU: J2VK4TF66R

    Product Description

    A red 10-gauge amplifier wiring kit with corrosion-resistant tinned conductors and water-resistant fuse holder.
    See all Amp Wiring Kits
    Your price for this item is $63.99

  6. JBL - Control C60PS/T 8" 300W 8 Ohm and 70V/100V Pendant Subwoofer-Pair - Black

    SKU: J7LXFKS5ZR

    Product Description

    A black pendant subwoofer pair delivers powerful 300W bass with humidity protection and versatile installation options.
    See all In-Ceiling Speakers
    Your price for this item is $950.00
1-18 of 176 items
0 items

Best Sellers

Related Pages

Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
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.
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada

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.