JL Audio M3-770X-S-GM M3 Series 7.7" Marine Coaxial Speakers Gunmetal Grey 70w
7.7-inch (196 mm) Marine Coaxial Speakers, Gunmetal Sport Grilles
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M3 7.7-inch Marine Coaxial Speakers (70 W, 4 Ω) - Gunmetal Sport Classic Grille
Purpose-engineered and built for real marine duty, M3 coaxial systems deliver excellent performance at a more affordable price than our maximum-performance M6 models.
The oversized 7.7-inch design of the M3-770X results in increased efficiency (more output for a given amount of power). This gives them the ability to play louder and cleaner at high volumes than smaller speakers.
The woofer design is optimized to operate with a large volume of air behind it (at least 2 cu. ft. / 57 l). Operating this coaxial system in less space will compromise its low frequency performance.
A 0.75-inch pure silk dome tweeter, specially treated to withstand the marine environment, handles the high-frequency duties. Silk has been chosen for its lightness, excellent damping properties and smooth response characteristics.
Although M3-770X Coaxial Systems can be used with as little as 20 W per channel, for best audio performance we recommend amplifiers capable of between 75-100 W of continuous power per channel.
- Continuous Power Handling (RMS) 70 W
- Recommended Amplifier Power (RMS) 20 - 140 W / Ch.
- System Efficiency 90.5 dB @ 1 W / 1 m
- System Nominal Impedance 4 Ω
- System Frequency Response 45 Hz - 25 KHz ± 3 dB
- Frame Outer Diameter (A) 7.70 in / 196 mm
- Bolt Hole Circle Diameter (B) 6.92 in / 176 mm
- Frontal Grille Protrusion* (C) 1.10 in / 28 mm
- Mounting Hole Diameter (D) 6.25 in / 159 mm
- Mounting Depth (E) 3.17 in / 81 mm
*Frontal grille protrusion measured from mounting surface
- Two 2-way Marine speakers with grilles attached
- Twelve 1-1/8" Philips-head stainless-steel screws
- 12 Stainless-steel flat washers
- Owner's manual
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