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Coaxial Marine Speakers

Coaxial marine speakers combine a woofer and tweeter in one unit, making them a practical option for replacing or upgrading your boat’s audio system. Compare marine speaker options by size, mounting depth, power handling, and water-resistance ratings to find a fit for your installation space and existing stereo or amplifier.

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  1. KICKER - KM Series 8" 2-Way Marine Speakers with Polypropylene Cones Pair - Charcoal And White

    SKU: JXHZRT8SXK

    I love these speakers. The quality and performance is great. Love the lights too!...love them, built a stereo roof for my polaris ranger...great sound and visuals

    Product Description

    A durable pair of marine speakers with UV-treated, rustproof components and polypropylene cones in charcoal and white.
    See all Marine Speakers
    Your price for this item is $259.99

  2. KICKER - KM Series 6-1/2" 2-Way Marine Speakers with Polypropylene Cones Pair - Charcoal And White

    SKU: JXHZRT8SXC

    Best speakers...Great speakers best option out their.. im currently using them on my truck and those thing's are loud...Love the speakers...[Employee of bestbuy] Love the color options. Strong a powerful...

    Product Description

    A weather-resistant marine speaker pair with polypropylene cones and seven-color LED lighting in charcoal and white.
    See all Marine Speakers
    Your price for this item is $229.99

  3. BOSS Audio - Marine 6-1/2" 2-Way Marine Speakers with Polypropylene Woofer Cones (Pair) - White

    SKU: J3XHF9SYJF

    Product Description

    A pair of white, weatherproof marine speakers with UV-resistant housings, polypropylene cones, and 200W maximum output.
    See all Marine Speakers
    Your price for this item is $67.32

  4. BOSS Audio - 5-1/4" 2-Way Coaxial Marine Speakers with Polypropylene Cones (Pair) - White

    SKU: J3XHF9SYJ8

    Product Description

    A pair of white, water-resistant marine speakers with 2-way audio and durable polypropylene cones.
    See all Marine Speakers
    Your price for this item is $54.08

  5. Sony - 6-1/2" 2-Way Coaxial Car/Marine Speakers with Dual Cones (Pair) - Black

    SKU: J7XSRHWW4J

    Product Description

    A pair of black, weather- and saltwater-resistant speakers delivering rich, dynamic sound for car or marine use.
    See all Marine Speakers
    Your price for this item is $88.00

  6. BOSS Audio - MR6B 6-1/2" Marine Speakers with Carbon-Composite Cones (Pair) - Black

    SKU: J3XHF926ZK

    Product Description

    A pair of black marine speakers with carbon-composite cones delivers crisp, dynamic sound on the water.
    See all Marine Speakers
    Your price for this item is $45.99

  7. Pioneer - Nautica 6-1/2" 2-Way Marine Speakers with Water-Resistant IMPP Cones (Pair) - White

    SKU: J7CJSPS7LL

    Product Description

    A pair of white marine speakers with water-resistant IMPP cones, built to withstand water, corrosion, and sunlight.
    See all Marine Speakers
    Your price for this item is $119.99

  8. KICKER - KM Series 6-1/2" 2-Way Car Speakers with Polypropylene Cones (Pair) - Charcoal And White

    SKU: JXHZRT8S24

    I love...Great speakers loud and they have led lights very affordable and great for sound quality!!

    Product Description

    A pair of 2-way marine speakers with polypropylene cones and charcoal and white grilles for versatile style.
    See all Car Speakers
    Your price for this item is $199.99

  9. MB Quart - Nautic 6.5" 2-Way Marine Speaker with Composite Polypropylene Cones (Pair) - Black

    SKU: J3G2WP2Z9S

    Product Description

    A pair of black water-resistant marine speakers with composite polypropylene cones for high-quality audio outdoors.
    See all Marine Speakers
    Your price for this item is $49.99

  10. KICKER - PS 4" Coaxial Speakers (Pair) - Black/Silver

    SKU: JXHZRT33XR

    The service was great I cannot reallyAdd to my review. Minimum 50 Characters?

    Product Description

    A pair of weatherproof black and silver coaxial speakers designed for powerful, lightweight outdoor audio.
    See all Car Speakers
    Your price for this item is $110.99
    Save $19
    The previous price was $129.99

  11. Polk Audio - DB+ Series 4" 2-Way Coaxial Speakers with Polypropylene UV Tolerant Cones (Pair) - Black

    SKU: JX5P9S42RK

    Product Description

    A pair of black marine coaxial speakers with UV-tolerant polypropylene cones for dynamic, durable sound.
    See all Car Speakers
    Your price for this item is $73.74
    Save $5
    The previous price was $78.74

  12. Polk Audio - DB+ Series 5-1/4" 2-Way Coaxial Speakers with Polypropylene UV Tolerant Cones (Pair) - Black

    SKU: JX5P9S42QJ

    Product Description

    A pair of black coaxial speakers with UV-tolerant polypropylene cones, ideal for marine and outdoor use.
    See all Car Speakers
    Your price for this item is $79.00
    Save $0
    The previous price was $79.99

  13. Alpine - 6.5" 2-Way Marine Coaxial Speakers with Poly-Mica Woofer Cones (Pair) - Silver

    SKU: J3XV89C92L

    Product Description

    A pair of silver marine speakers with poly-mica woofer cones and a UV-resistant ABS frame.
    See all Marine Speakers
    Your price for this item is $139.99
    Save $10
    The previous price was $149.99

  14. KICKER - 6-1/2" 2-Way Marine Speakers with Polypropylene Cones (Pair) - Black

    SKU: JXHZRT86SS

    Installation take some work however, once installed sound quality is great and so far seems completely

    Product Description

    A pair of black 2-way marine speakers with polypropylene cones, UV, salt, and fog resistance.
    See all Marine Speakers
    Your price for this item is $949.99

  15. Alpine - 6.5" 2-Way Marine Coaxial Speakers with Poly-Mica Woofer Cones (Pair) - White

    SKU: J3XV89C92Q

    Product Description

    A pair of white 2-way marine speakers with poly-mica woofer cones and a rugged ABS frame.
    See all Marine Speakers
    Your price for this item is $149.99

  16. Pyle - PyleUsa Marine Speakers, Boat Speakers - Black

    SKU: J36C98SJ49

    Product Description

    A pair of black waterproof marine speakers delivering 20 watts total power with IP-X5 rating and 4-ohm impedance.
    See all Marine Speakers
    Your price for this item is $39.49

  17. Pyle - Marine Speakers - 5.25 Inch 2 Way Waterproof

    SKU: J36C98LSC2

    I love my speakers. They are very light and nice led lights. Weatherproof for camping trailer...I love these their up dated of the ones I had in our old boat.

    Product Description

    A pair of waterproof, 2-way marine speakers designed for clear audio performance on boats and watercraft.
    See all Marine Speakers
    Your price for this item is $39.99
    Save $4
    The previous price was $43.99

  18. Polk Audio - 6-1/2" 2-Way Marine Speakers with Polypropylene Cones (Pair) - Black

    SKU: JX5P9S42T9

    Product Description

    A pair of black, water-resistant marine speakers with polypropylene cones and Dynamic Balance technology for enhanced audio.
    See all Marine Speakers
    Your price for this item is $196.50

  19. Polk Audio - 4" x 6" 2-Way Marine Speakers with Polypropylene Cones (Pair) - Black

    SKU: JX5P9S42H7

    Product Description

    A pair of black weather-resistant marine speakers with UV-tolerant polypropylene cones for rich, detailed sound.
    See all Marine Speakers
    Your price for this item is $67.99

  20. Infinity - KAPPA6120MAM 6.5” Two-way Premium Marine Speaker / RGB Lighting - White

    SKU: J7LG6LS45S

    Product Description

    A white two-way marine speaker featuring premium audio quality and customizable RGB lighting.
    See all Marine Speakers
    Your price for this item is $199.00

  21. Lanzar - 6.5" Dual Marine Speakers – Waterproof 2-Way Audio, 450W Power, Resin Cloth Surround, 1 Pair

    SKU: J36C98SQL5

    Product Description

    A waterproof, weather-resistant pair of 2-way marine speakers with 450W power and durable resin cloth surrounds.
    See all Marine Speakers
    Your price for this item is $44.99

  22. PYLE - Marine Speakers - 4 Inch 2 Way Waterproof

    SKU: J36C98LSJS

    Product Description

    A pair of 4-inch, 2-way waterproof speakers designed for marine environments and outdoor durability.
    See all Marine Speakers
    Your price for this item is $29.99

  23. Pioneer - 7.7" IPX7 Rated Tower Speaker with Built-In RGB LED Lighting - with Sports Grille - Black

    SKU: J3KVTTSXR2

    Product Description

    A black IPX7-rated tower speaker with RGB LED lighting, mica-reinforced woofer, and sports grille design.
    See all Car Speakers
    Your price for this item is $549.99

  24. JBL - Celebrity150 Single DIN with 2 pair hertz 6.5" speakers - Black

    SKU: J3GWHGX79L

    Product Description

    A black Bluetooth FM radio media receiver with two pairs of UV-resistant 6.5" coaxial speakers.
    See all Car Stereo Receivers
    Your price for this item is $149.99
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Coaxial marine speakers bring clear, full-range sound to your boat by combining a woofer and a tweeter in a single speaker assembly. This space-saving design makes them a practical choice for upgrading a boat audio system without installing separate components throughout the cabin or cockpit. Unlike standard car speakers, marine-rated speakers are built for boating conditions, with materials and protective features designed to withstand moisture, UV exposure, and corrosion. Protection varies by model, so check the manufacturer’s specifications for water resistance, saltwater suitability, and recommended installation locations rather than assuming every marine speaker is waterproof. As you compare coaxial boat speakers, consider how speaker placement and your boat’s layout affect listening coverage. Properly positioned speakers can help deliver balanced music and clear vocals across seating areas, while larger woofers may provide fuller bass if the mounting space allows. For deeper low-frequency output, a compatible marine subwoofer can complement your coaxial speakers. Choosing the best coaxial marine speakers for your setup starts with checking the mounting cutout, mounting depth, and available clearance behind each installation point. Common options include 6.5-inch marine speakers, but nominal speaker size alone does not guarantee a replacement will fit existing openings. Match speaker impedance and recommended RMS power handling to your marine stereo or marine amplifier, and use continuous power specifications rather than peak wattage to guide compatibility. Sensitivity is another useful comparison point because it indicates how efficiently a speaker converts power into sound, though ratings should be compared under equivalent test conditions. For an open-air boat sound system, a properly matched amplifier can provide additional clean output to help music remain audible over wind and engine noise without pushing the equipment into distortion. Look for installation-friendly features such as corrosion-resistant terminals, durable grilles, and clearly documented mounting requirements. Marine-grade wiring, secure connections, and installation that follows the manufacturer’s sealing instructions can help protect your investment and support dependable performance on the water.

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FAQ

Coaxial marine speakers are boat audio speakers that combine a woofer and a tweeter in one assembly, with the tweeter positioned along the woofer’s central axis. The woofer handles lower frequencies, while the tweeter handles higher frequencies. They typically connect to a marine stereo receiver or an external amplifier.

Coaxial marine speakers commonly use materials and construction intended for marine environments, such as polypropylene cones, rubber surrounds, corrosion-resistant hardware, and UV-resistant grilles. Standard car speakers are generally designed for installation inside a vehicle. Materials and environmental ratings vary by model.

Two-way coaxial marine speakers combine a woofer and a tweeter. Three-way models add another driver, often a midrange driver or a supertweeter, to divide the audio frequencies among three drivers. The terms describe the speaker’s driver arrangement, not a universal ranking of sound quality.

Most coaxial marine speakers are passive, meaning they receive power through speaker wire from a stereo receiver’s built-in amplifier or a separate amplifier. Powered speakers include their own amplification. Check the speaker specifications to confirm the design and connection requirements.

Most passive coaxial marine speakers do not have built-in Bluetooth. Instead, a phone or other Bluetooth device connects to a compatible marine stereo receiver, which sends audio to the speakers through wired connections. Bluetooth availability depends on the receiver or powered audio system.

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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.