Smooth Sound & Style on the Water – JL Audio M3-650X-C-Gw 6.5” Marine Speakers

Introduction

The JL Audio M3-650X-C-Gw 6.5-inch marine coaxial speakers offer the perfect balance of compact size, rich sound, and marine-grade durability. Designed for high-quality performance in open-air marine environments, these speakers bring your boat’s audio system to life with smooth highs, clean midrange, and impactful bass. Featuring JL Audio’s trusted engineering and a clean Classic White (C-Gw) grille, the M3-650X is the ideal solution for boaters seeking reliable, stylish, and great-sounding marine speakers.

Powerful 2-Way Coaxial Sound in a Compact Design

At the heart of the M3-650X-C-Gw is a dynamic 2-way speaker system featuring a 6.5-inch mineral-filled polypropylene woofer and a 0.75-inch silk dome tweeter. Together, they produce full-range sound with precise detail and minimal distortion. The woofer delivers strong midbass punch, while the tweeter ensures crisp, non-fatiguing highs that stay clear even at high volumes. This combination makes the M3-650X perfect for everything from laid-back background music to loud party vibes.

Marine-Rated for Harsh Environments

Built to endure the unforgiving marine environment, the M3-650X-C-Gw features a UV-resistant polymer basket, synthetic rubber surround, and sealed crossover network. All components are designed to withstand salt, moisture, sun, and vibration. These speakers are IP65-rated for water and dust resistance and are assembled using JL Audio’s strict marine-grade standards, ensuring long-lasting performance season after season.

Optimized for Efficient Performance

These speakers are designed to deliver outstanding output without requiring a huge amplifier. With 60 watts RMS power handling and 90.5 dB sensitivity, they offer impressive performance from a wide range of source units and marine amplifiers. Whether you’re upgrading a factory system or installing a full JL Audio setup, the M3-650X-C-Gw speakers deliver powerful results with minimal power draw.

Clean, Timeless Style with Classic White Grilles

The Classic White Grilles (C-Gw) provide a clean, elegant appearance that blends seamlessly into virtually any boat design. These grilles are UV-resistant and built to maintain their finish even under direct sunlight and harsh marine conditions. They're not just about looks — they also offer durable protection to the speaker cones and tweeters while complementing JL Audio's entire M3 Series aesthetic.

Key Features

• 6.5-Inch Marine Coaxial Speakers: Delivers rich full-range sound in a compact form.

• 2-Way Speaker System: Woofer and tweeter combo produces dynamic, detailed sound.

• Classic White Grilles (C-Gw): UV-stable, saltwater-rated styling that suits any boat.

• 60W RMS / 225W Peak Power Handling: High-efficiency output for great sound at any volume.

• 4-Ohm Impedance: Compatible with most marine head units and amplifiers.

• Weatherproof Construction: Built to JL Audio’s IP65 marine standards for long-term durability.

• Made in the USA: Designed and built in Miramar, Florida using precision engineering.

Why Choose the JL Audio M3-650X-C-Gw?

The M3-650X-C-Gw is the go-to speaker for boat owners seeking a perfect mix of performance, efficiency, and durability. These 6.5" speakers offer rich sound, reliable power handling, and rugged marine-grade protection in a clean, stylish design. Whether you’re replacing factory speakers or building a custom marine audio system, JL Audio’s M3 Series delivers the quality and dependability that serious boaters trust.

What’s in the Box?

• 2 x JL Audio M3-650X-C-Gw 6.5-Inch Marine Coaxial Speakers

• 2 x Classic White Grilles (pre-installed)

• Mounting Hardware Kit

• User Manual

• JL Audio Decals

Specifications

• Speaker Size: 6.5 inches

• Power Handling (RMS): 60 watts

• Peak Power Handling: 225 watts

• Frequency Response: 55 Hz – 25,000 Hz

• Impedance: 4 ohms

• Sensitivity: 90.5 dB @ 1W/1m

• Mounting Depth: 2.74 inches (70 mm)

• Cutout Diameter: 5.00 inches (127 mm)

• Grille Style: Classic White (C-Gw)

• Weather Rating: IP65 (Marine Certified)

FAQs

Are these speakers suitable for saltwater use?

• Yes, the M3-650X-C-Gw is built with marine-grade materials that resist saltwater, UV exposure, and humidity.

Do they require an amplifier?

• No, but they will sound even better when paired with a marine amplifier. They perform well with head units thanks to their high efficiency.

What’s the difference between M3 and M6 speakers?

• The M3 series is optimized for efficient performance and value, while the M6 series offers more output, features, and customizable LED lighting.

Are the grilles removable?

• The Classic Grilles are pre-installed and designed for marine use. While removable, they are built to stay secure and resist wear over time.

What color are the grilles?

• This version comes with Classic White Grilles (C-Gw) — a clean, timeless marine look.