JL Audio


JL Audio M3-650X-S-GW M3 Series 6.5" Marine Coaxial Speakers Gloss White 60w RMS

JL Audio M3-650X-S-GW M3 Series 6.5" Marine Coaxial Speakers Gloss White 60w RMS


6.5-inch (165 mm) Marine Coaxial Speakers, Gloss White Sport Grilles


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Product Information

M3 Standard Flange 6.5-inch Marine Coaxial System (60 W, 4 Ω) - Gloss White Sport 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 M3-650X 6.5-inch coaxial speaker is designed around the standard marine 6.5-inch speaker format and features a wide mounting flange with a four hole mounting pattern. 

The long excursion woofer design and excellent power handling make your music come through loud and clear at speed, or at anchor. 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 M3-650X 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)    60 W
  • Recommended Amplifier Power (RMS)    20 - 120 W / Ch.
  • System Efficiency    89.5 dB @ 1 W / 1 m
  • System Nominal Impedance    4 Ω
  • System Frequency Response    55 Hz - 25 KHz ± 3 dB
  • Frame Outer Diameter (A)    6.90 in / 175 mm
  • Bolt Hole Circle Diameter (B)    6.125 in / 156 mm
  • Frontal Grille Protrusion* (C)    1.01 in / 26 mm
  • Mounting Hole Diameter (D)    5.00 - 5.25 in / 127 - 133 mm
  • Mounting Depth (E)    2.78 in / 71 m

*Frontal grille protrusion measured from mounting surface

What's Included

  • 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
  • Template

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