Skip to contentGo to Product Search
Main Content
Skip to contentGo to Product Search
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. REL - HT/1003 MKII Subwoofer - Black

    SKU: J3QSR2VLV4

    Product Description

    A compact black subwoofer with a 300W Class D amplifier and 10” CarbonGlas driver for powerful bass.
    See all Home Subwoofers
    Your price for this item is $649.00
    Save $50
    The previous price was $699.99

  2. AudioControl - 300W Monoblock Class D Micro Amplifier - Black

    SKU: J3R9ZF5SFS

    I previously installed an infinite baffle (IB) sub in the shelf of my Audi S4 replacing the stock sub and was powering it using the stock B&O amplifier. It was a nice upgrade but I knew I could get more...

    Product Description

    A compact black Class D micro amplifier delivering 300W power with AccuBASS technology for enhanced bass.
    See all Mono Subwoofer Amps
    Your price for this item is $289.99

  3. Kenwood - 400W Class-D Bridgeable Multichannel Compact Marine Motorsports Amplifier with Variable Crossovers - Gray

    SKU: J72276S9XL

    This Kenwood amplifiers are perfect for pushing my 6.5 kicker speakers....Kenwood max amplifier is good for extra sound and bass...Kenwood amplifier

    Product Description

    A compact gray Class-D amplifier delivering 400W power with bridgeable channels and moisture-resistant protection.
    See all Multi-Channel Amps
    Your price for this item is $199.99

  4. Alpine - S-Series Class D Mono Amplifier with Variable Crossovers - Black

    SKU: J3XV8SKS8P

    This Amplifier is great. I can’t believe I’ve waited this long to order.

    Product Description

    A powerful black Class D mono amplifier with variable crossovers, preamp outputs, and improved heat management.
    See all Mono Subwoofer Amps
    Your price for this item is $239.99
    Save $60
    The previous price was $299.99

  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.