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mono subwoofer amps

Crossover Subs

When you're looking for a new subwoofer, the most important thing to consider is how it will blend with your existing speakers. Browse the top-ranked list of crossover subs below along with associated reviews and opinions. 

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

    SKU: J3R9ZF5SFS

    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

  2. Hifonics - ALPHA 2000W Class D Digital Mono Amplifier with Variable Low-Pass Crossover - Black

    SKU: J3G2WP2HJQ

    Product Description

    A powerful black Class D mono amplifier delivering up to 2000W with efficient cooling and variable low-pass crossover.
    See all Mono Subwoofer Amps
    Your price for this item is $339.99

  3. Alpine - Halo R2-Series 10" Dual Voice Coil 4-Ohm Loaded Subwoofer Enclosure - Black

    SKU: J3XV8SKS7H

    Product Description

    A black dual voice coil subwoofer enclosure delivering powerful bass and expandable with an optional linking kit.
    See all 10" Subwoofers & Enclosures
    Your price for this item is $519.99
    Save $130
    The previous price was $649.99

  4. Hifonics - ALPHA 1200W Class D Digital Mono Amplifier with Variable Low-Pass Crossover - Black

    SKU: J3G2WP2HJJ

    Product Description

    A powerful black Class D digital mono amplifier delivering 1200W with variable low-pass crossover for crisp sound.
    See all Mono Subwoofer Amps
    Your price for this item is $257.99

  5. Alpine - Halo S-Series Single 10" Dual Voice Coil 2-Ohm Preloaded Subwoofer Enclosure with ProLink - Black

    SKU: J3XV8SKSRW

    Product Description

    A black dual voice coil subwoofer enclosure delivering powerful bass and featuring unique ProLink connectivity.
    See all 10" Subwoofers & Enclosures
    Your price for this item is $379.99

  6. Metra - Install Bay Crossover Capacitor for 3.5'' Speakers (2-Pack) - White

    SKU: J7RX7LV5K9

    Product Description

    A white crossover capacitor pair that blocks low frequencies to enhance speaker clarity and power handling.
    See all Speaker & Subwoofer Accessories & Installation Parts
    Your price for this item is $9.99

  7. Alpine - Halo S-Series Single 12" Dual Voice Coil 2-Ohm Preloaded Subwoofer Enclosure with ProLink - Black

    SKU: J3XV8SKSRJ

    Product Description

    A black dual voice coil subwoofer enclosure delivering powerful bass and featuring unique ProLink connectivity.
    See all 12" Subwoofers & Enclosures
    Your price for this item is $399.95
    Save $100
    The previous price was $499.99
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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.