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Description
Built for powerful listening on open water, the MRN-S88-LW combines 150-watt RMS output, strong midbass, clear outdoor projection, and Alpine Signature Sound in an IP66-certified white design with RGB lighting.
Wind, waves, and engine noise can make ordinary speakers lose impact and sound thin once the boat is underway. The MRN-S88-LW is tuned for strong midbass, giving kick drums, bass lines, and lower vocals the weight and energy they need in open-air conditions. Its long-excursion woofer moves more air for greater impact, while 150 watts RMS of power handling helps the speaker stay composed and energetic as the volume rises. A pro-audio-style tweeter waveguide helps direct clear detail through open-air spaces. The result is full, high-output sound that carries across the boat and beyond, keeping the music clear and energetic whether cruising, anchored, or gathered nearby at the sandbar.
Built for Life on the Water
Marine speakers face far more than an occasional splash. The MRN-S88-LW features an IP66-certified construction which helps protect against dust and powerful water spray, along with salt, fog, and UV resistance for added protection in demanding coastal conditions. Marine-ready materials and waterproof speaker and LED connections help defend against moisture, corrosion, sun exposure, and fading. The result is lasting protection designed for real-world boating, repeated exposure, and dependable performance through season after season on the water.
Redefining the Standard for Marine Sound Performance
Designed to Be Seen
A distinctive white grille fives the MRN-S88-LW a clean, refined presence that complements white fiberglass, light interiors, and modern marine finishes. Integrated 4-pin RGB LED lighting shines through an optical-diffusion grille for a smooth, even glow after sunset, creating anything from subtle accent lighting to a more energetic atomosphere onboard.LED operation requires a compatible controller and remote, sold separately. Pair the speakers with Alpine's KTX-MRN-LED-RF LED Controller & Remote for convenient lighting control.
Clarity for Open-Air Listening
Marine sound has to project without becoming harsh or tiring. The MRN-S88-LW uses a reinforced polypropylene and carbon-fiber cone to keep midbass tight and controlled as the volume rises. A hydrophobic 33mm dome tweeter resists moisture, while its pro-audio-style waveguide helps direct high-frequency detail through open-air spaces. An integrated 2-way crossover blends both drivers for balanced Alpine Signature Sound, keeping vocals, instruments, and percussion distinct from the helm to the stern, even as wind and engine noise increase.
Build Your Ideal Alpine Marine System
Creating the ideal Alpine Marine system means bringing the source, amplification, speakers, and bass together around the way you listen on the water. Start with an Alpine Marine Receiver, then add amplification that matches your system goals. The M-A60F 4-Channel Marine Amplifier delivers dedicated power for four speakers, while the M-A110V 5-Channel Marine Amplifier can power four speakers and a subwoofer from one compact solution. For deeper, more commanding bass, pair the speakers with a 10-inch 12-inch Alpine Marine subwoofer and the dedicated M-A120M Mono Marine Amplifier. Together, each component contributes to clear, balanced Alpine Signature Sound bow to stern.
- Premium 8.8"" 2-way marine coaxial speaker set
- Alpine Signature Sound optimized for open-air listening
- 150W RMS / 450W peak power handling
- 12.5 mm Xmax for stronger midbass impact
- 35 Hz–20 kHz rated frequency response
- Reinforced polypropylene and carbon-fiber cone
- 1-5/16"" hydrophobic dome tweeter with outdoor-directivity waveguide
- Dual-magnet neodymium midwoofer motor
- Integrated 2-way passive crossover
- IP66-certified dust and water-resistant assembly
- Salt, fog, UV, and vessel water-tightness tested
- Integrated grille drain for lateral installations
- Integrated 4-pin RGB LED optical-diffusion grille
- Compatible with KTX-MRN-LED-RF LED Controller & Remote
Tech Specs
Color: White
Speaker Type: 2-way coaxial
Power Handling: 150W RMS / 450W peak
Nominal Impedance: 4 ohms
Frequency Response: 35 Hz–20 kHz
Sensitivity: 89.0 dB (1W/1m)
Xmax: 12.5 mm
Speaker Size: 8-3/4"" (222 mm)
Woofer Size: 6-7/8"" (175 mm)
Tweeter: 1-5/16"" (33 mm) hydrophobic Teteron-dome neodymium tweeter
Cone Material: Reinforced polypropylene and carbon-fiber construction
Surround: Double linear-rolled Santoprene marine-grade surround
Motor Structure: Dual-magnet neodymium midwoofer motor
Crossover: Integrated 2-way passive crossover
Frame: Rigid die-cast aluminum with cooling ports
Cutout Diameter: 7-9/16" (192 mm)
Mounting Depth: 4-1/4" (108 mm)
Grille Protrusion: 2" (50 mm)
Outer Grille Diameter: 8-3/4"" (222 mm)
Protection Rating: IP66-certified dust- and water-resistant assembly
Salt and Fog Resistance: ASTM B117 tested
UV Resistance: ASTM G154 tested
Speaker Connection: 2-pin waterproof Deutsch connector
RGB LED Connection: 4-pin waterproof Deutsch connector
Lighting: Integrated 4-pin RGB LED optical-diffusion grille
LED Control: Controller and remote required
Compatible LED Controller: KTX-MRN-LED-RF, sold separately
Included Hardware: 12 mounting screws, one hex-drive drill bit, two waterproof 2-pin speaker plugs, and two waterproof 4-pin LED plugs
Powerful Sound Beyond the Shore