JL Audio M3 10" marine subwoofer, Classic white grille
Technical specifications
Technical specifications
| Speaker Diameter In | 10 |
| Audio Output Power Rms | 175 |
| IP rating | Protection contre l'eau uniquement en face avant; l'arrière, les connexions et les fils ne sont pas étanches. |
| Color | Blanc |
| Enclosure Type | Infinite baffle |
| Impedance | 4 |
| Mounting Depth | 127 |
| Mounting type | Encastré |
Detailed description
Detailed description
The JL Audio M3 10" marine subwoofer with Classic white grille enhances the bass of the onboard audio system. This passive speaker accepts a continuous power rating of 175 W RMS at 4 ohms. Garmin recommends amplification of 50 to 175 W RMS per channel; it is not an integrated amplifier.
Mounting and acoustic load
It is designed to operate in infinite baffle mode, without a dedicated enclosure, with a large rear air volume specified at 56.6 liters in the manual. This compartment must remain empty for optimal performance. A sealed enclosure can also be built according to the recommended net internal volume of 56.66 liters; the F3 cutoff of 42.9 Hz applies to this configuration, not to a universal frequency response of the speaker. Ported enclosures are not recommended.
Allow for a cutout of 225 mm and 127 mm of clearance behind the mounting surface. The overall diameter is 273 mm and the Classic grille protrudes 38 mm at the front. The stated net weight is 5.7 kg, excluding shipping weight.
Marine installation
Only the front face is protected against water ingress: the rear, connections, and wires are not waterproof and must remain protected from moisture. In areas exposed to weather or water, mounting on a vertical surface is mandatory. On the exterior of the boat, the speaker must be placed well above the waterline, avoiding immersion or impact with docks or equipment. Power to the audio system must be turned off before any connection.
Box contents
Delivered as a single unit with a Classic white grille, six screws, and six stainless steel mounting washers. No amplifier or enclosure is listed in the official box contents.
Expert opinion
Expert opinion
« Avant de choisir ce subwoofer, vérifiez le volume d’air disponible derrière la cloison, la découpe de 225 mm et les 127 mm de dégagement arrière. »
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