JL Audio M3 Series 7.7" Marine Coaxial Speakers w/Grey Metallic Sport Grilles - M3-770X-S-Gm [010-03066-00] Brand_Load Rite Pressing the dedicated MOB button

Pressing the dedicated MOB button activates a trackback mode on all handsets and marks the MOB on NMEA 2000 connected MFDs

No external power supply required

Pull adjust waist belt

so should the unit ever stop working or lose power

JL Audio M3 Series 7.7" Marine Coaxial Speakers w/Grey Metallic Sport Grilles - M3-770X-S-Gm [010-03066-00] Brand_Load Rite Pressing the dedicated MOB buttonM3 Series 7. 7" Marine Coaxial Speakers with Grey Metallic Sport Grilles M3 770X S Gm PLAY BETTER Optimized for moderate power systems, M3 marine speakers are designed to produce powerful, smooth sound that is several steps beyond common marine speakers. Features: Amazing fidelity and affordability in marine settings Exceeds international standards for salt fog and UV exposure 3 Year Warranty DMA Optimized Woofers Proprietary motor, suspension and