The JLM3-770X-S-GW-I is a genuine JL Audio M3-770X 7.7-inch marine coaxial speaker set, supplied via Recambios Marinos (Recmar). Built for harsh saltwater environments, this oversized 7.7 design delivers higher efficiency and strong open-air output, with a Sport grille and integrated RGB LED illumination.

• Speaker type: 7.7 2-way marine coaxial (sold as a pair)
• Grille / finish: Sport grille, Gloss White (GW) with RGB LED lighting
• Continuous power handling: 70 W RMS (each)
• Nominal impedance: 4 
• Frequency response: 45 Hz 25 kHz (2 dB)
• Sensitivity: 90.5 dB @ 1 W / 1 m
• Tweeter: 0.75 treated silk-dome
• Mounting depth: 3.17 (81 mm)  Cutout: 7.375

LED control note: the built-in RGB LEDs can run in fixed color modes or be paired with an optional RGB controller (for expanded color/effect control), such as JL Audios MLC-RW marine lighting controller.

Installation guidance: these speakers are designed for infinite-baffle style mounting and perform best with generous airspace behind the mounting surface (JL Audio recommends at least 2 cu. ft. / 57 L). They can play with as little as 20 W/ch, but JL Audio recommends amplifier power in the 20 140 W RMS per channel range for best results.

Reference numbers: JL Audio model M3-770X-S-GW-I (JL Audio P/N 93523; Garmin P/N 010-03069-00).

Confirm ratings, wiring, cutout/depth and fitment before ordering. If youre matching an amplifier, ensure stable 4 operation and set appropriate high-pass filtering for marine use.