9 Best Coaxial Marine Speakers of December 2025

• Woofer(in,mm) Actual size 6.75", 171.45, Rear denotes 6" for small and shallow mounting depth
• Rated Impedance(Ω) 4
• Continuous Power Handling(Watts RMS) 50
• Mounting Depth(in,mm) 2-1/2, 62
• These speakers do not come with a retail box or other accessories. They will arrive in plain brown packaging.

KICKER

• 6. 5" 2-Way Coaxial Full Range Marine Grade Speakers, Pair (Black)
• Peak Power: 320 Watts (Pair) | RMS Power: 160 Watts (Pair)
• Premium Microfiber Composite Mineral Filled Mid-Woofer Cone with Butyl Surround
• 1" Marine Grade Silk Dome Tweeter Mounted on Top of Mid-Range for Balanced Sound
• Impedance: 4 Ohms | 1. 2" SV Voice Coil
• Sensitivity: 88 dB, Frequency Response: 57 Hz - 20, 000 Hz

Skar Audio

• Dynamic Balance technology delivers signature quality sound
• Marine certified (IP55); Polypropylene and UV tolerant cone with waterproof surrounds
• 92 dB sensitivity (1 watt @ 1 meter); 40 Hz to 22kHz frequency response
• 100W Continuous power handling; 300W Peak power handling
• Includes removable sport grilles. Nominal Impedance- 4 ohms

Polk Audio

• Woofer(in,mm) 6-1/2, 160
• Rated Impedance(Ω) 4
• Continuous Power Handling(Watts RMS) 50
• Mounting Depth(in,mm) 2-1/2, 62
• These speakers do not come with a retail box or other accessories. They will arrive in plain brown packaging.

KICKER

• BLACK AND WHITE GRILLES: Spectacular highs and midrange sounds coupled with the simplest of speaker installations, provide full-range audio specifically for a marine environment
• PREMIUM MATERIAL: UV treatments on the injection-molded cones, santoprene surrounds, baskets, and grilles help all models maintain top shelf performance in marine environments
• WEATHER PROOF: Speakers can endure almost any weather conditions with splash-and-spray-resistant sealed motors, cones, and locking terminal covers
• HEAVY DUTY: Speaker hardware is forged from rustproof stainless-steel for superior strength and durability
• 195 WATTS MAX; 50 WATTS RECOMMENDED: Meets and exceeds ASTM standards for UV, salt, and fog exposure

LUIBOR

• Plus One woofer cones
• Balanced dome tweeters
• Designed for the elements
• Individually voiced
• Oem-level reliability testing

JBL

• Blue LED Lighting Included
• Spectacular Highs And Smooth, Impactful Midrange
• Made Specifically For Marine With Sealed Motor And Polymer Basket
• UV-Treated Polypropylene Woofer With Santoprene Surround
• Stainless Steel Hardware Included

KICKER

• BLUE LED LIGHT: Spectacular highs and midrange sounds coupled with the simplest of speaker installations, provide full-range audio specifically for a marine environment
• PREMIUM MATERIAL: UV treatments on the injection-molded cones, santoprene surrounds, baskets, and grilles help all models maintain top shelf performance in marine environments
• WEATHER PROOF: Speakers can endure almost any weather conditions with splash-and-spray-resistant sealed motors, cones, and locking terminal covers
• HEAVY DUTY: Speaker hardware is forged from rustproof stainless-steel for superior strength and durability
• 150 WATTS MAX; 50 WATTS RECOMMENDED: Meets and exceeds ASTM standards for UV, salt, and fog exposure

KICKER

• High performance audio upgrade that delivers signature quality sound that goes beyond OEM factory systems
• Marine certified with IP55 rating (water- and dirt-resistant) and tested for salt-fog, UV and humidity
• Polypropylene and UV tolerant cone with waterproof inner and outer surrounds
• Simple drop-in installation for any vehicle including cars, boats, ATVs—you name it
• Cut out Diameter - 4.09" Bottom Mount - 2" Top Mount - 1.79"

Polk Audio