JL Audio M6-10IB-L-GwSw-4 10" 4Ω Marine Subwoofer 250W RMS 010-03916-00 (93916)

JL Audio M6-10IB-L-GwSw-4 is a 10" marine subwoofer designed for free-air or infinite-baffle installations, delivering smooth, powerful low-frequency response with rugged marine durability. Its DMA-optimized long-excursion design and marine-grade components make it suitable for onboard systems where space and air volume are available behind the driver. 

Built to withstand real marine environments, this sub features an injection-molded mica-filled polypropylene cone with synthetic rubber surround, synthetic fiber spider, and corrosion-resistant polymer basket. The included white Luxe grille provides UV resistance and a clean visual appearance. Designed for use with amplifiers in the 75–250 watt RMS range, this subwoofer can be installed free-air, in sealed, or in ported enclosures according to system goals. 

Key Features

• 10" marine subwoofer optimized for infinite-baffle / free-air use
• 250 watts RMS continuous power handling
• Nominal 4 Ω impedance
• DMA-optimized long-excursion motor design for deep bass
• Injection-molded polypropylene cone with synthetic rubber surround
• Corrosion-resistant marine basket and hardware
• White Luxe mesh grille included
• Suitable for sealed or ported boxes if enclosure required

Technical Specifications

Ideal Applications

• Marine audio systems with free-air / bulkhead or enclosure installs
• Point-of-installation in boats where space can provide air volume
• Systems aiming for deep bass without dedicated subs in tight spaces
• Pairing with appropriately sized amplifiers for balanced marine audio

What’s Included

• JL Audio M6-10IB-L-GwSw-4 marine subwoofer (010-03916-00)
• White Luxe grille
• Mounting hardware and documentation

Why Buy From MCOR Automotive

• Authorized JL Audio dealer with accurate marine specs
• Real-world marine and aircraft grade system design experience
• Amplifier matching and installation guidance included
• 20+ years building high-end 12-volt systems