JL Audio M3-770ETXv3-Sb-S-Gm
M3 Series 7.7" Wakeboard Tower Speakers (Satin Black with Gunmetal Sport Grille)
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JL Audio M3‑770ETXv3‑SB‑S‑Gm‑i Enclosed Marine Coaxial Speakers
The JL Audio M3‑770ETXv3‑SB‑S‑Gm‑i is a premium enclosed marine coaxial speaker system featuring powerful 7.7-inch M3 drivers in a durable, injection-molded enclosure. Built for marine and off-road applications, this system delivers high-fidelity sound with rugged durability and a stylish Sport Grille design in gloss white with gunmetal trim.
| Key Features | |
|---|---|
| 7.7-Inch Marine Coaxial Drivers | Deliver rich, powerful sound with smooth high-frequency response |
| Silk Dome Tweeters | Provide crisp, detailed highs without harshness |
| Injection-Molded Enclosures | Durable polymer build withstands UV, saltwater, and outdoor exposure |
| Sport Grille Design | Gloss White with Gunmetal trim for a sleek, modern look |
| Versatile Mounting Options | Includes stainless steel hardware for wake towers and tubular surfaces |
| Marine-Grade Durability | Built to resist water, salt, and extreme weather conditions |
| What’s in the Box |
|---|
| JL Audio M3‑770ETXv3‑SB‑S‑Gm‑i Enclosed Speaker System |
| Stainless Steel Mounting Hardware |
| User Manual |
| Technical Specifications | |
|---|---|
| Speaker Size | 7.7 inches |
| Frequency Response | 45 Hz – 25 kHz |
| Power Handling | 70W RMS / 225W Peak |
| Impedance | 4 ohms |
| Tweeter Material | Silk dome |
| Enclosure Material | Injection-molded polymer |
| Mounting Hardware | Stainless steel |
| Grille Design | Sport Grille (Gloss White with Gunmetal trim) |
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FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.