JL Audio M7-12IB-S-GMTI-4 M7 Series 12" 600W RMS (1000W Peak Power Handling) 4 Ohms, Marine Subwoofer with Gunmetal Trim Ring and Titanium Sport Grille
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What's Inside?
- • 12" M7 Series Marine Subwoofer with Gunmetal Trim Ring
- • (1) marine subwoofer
- • (1) grille
- • (6) stainless steel mounting screws
- • (6) stainless steel washers
- • Owner's Manual
Why Choose JL Audio M7-12IB-S-GMTI-4 Marine Subwoofer?
Experience Ultimate Marine Audio
Experience the ultimate in marine audio with the M7 12-inch subwoofer, engineered to deliver jaw-dropping bass in infinite-baffle applications without the need for a dedicated enclosure, and featuring a massive 4-inch voice coil that ensures exceptional power handling and high output for an unparalleled sound experience on the water.
Rugged Design for Powerful Distortion-Free Sound
Designed with a rugged suspension system for outstanding linear excursion and enhanced durability, the M7 12-inch subwoofer delivers powerful, distortion-free sound and is best paired with amplifiers in the 200W – 600W range to ensure optimal performance for an unforgettable audio experience.
Optimal Performance and Durability
Engineered for optimal performance, the M7 12-inch subwoofer requires a minimum of 3 cu. ft. (84.95 liters) of air behind it for ideal operation, ensuring deep, resonant bass. Its marine-grade durability allows it to thrive in harsh saltwater environments, while its design promises years of reliable listening enjoyment, making it the perfect choice for your marine adventures.
Frequently Asked Questions (FAQ)
- • Why does my JL Audio M7-12IB-S-GMTI-4 subwoofer sound weak even with a high-powered amplifier?
Weak bass is usually caused by an improper infinite-baffle installation, incorrect crossover settings, or amplifier gains that are too low. Verify the mounting location is properly sealed and tune the amplifier according to JL Audio's recommendations.
- • Can I install it in a sealed or ported enclosure?
No, this model is specifically designed for infinite-baffle applications and is not intended for traditional enclosures. Installing it in the correct application ensures optimal bass performance and long-term reliability.
- • Why does my JL Audio M7-12IB-S-GMTI-4 distort during deep bass notes?
Distortion is commonly caused by amplifier clipping, excessive bass boost, or overpowering the subwoofer. Proper gain adjustment and clean amplifier power will help produce accurate, distortion-free bass.
- • Is it suitable for offshore saltwater boats?
Yes, it is built with premium marine-grade materials that resist corrosion, moisture, and prolonged UV exposure. Rinsing the subwoofer with fresh water after every saltwater trip helps preserve its appearance and durability.
- • Why does my amplifier enter protection mode when the subwoofer is playing loudly?
This is often caused by incorrect impedance wiring, inadequate power delivery, or amplifier overheating. Check the wiring configuration and ensure your amplifier is stable for the connected speaker load.
- • Can I pair the JL Audio M7-12IB-S-GMTI-4 with M7 marine speakers?
Yes, this subwoofer is engineered to integrate seamlessly with JL Audio M7 marine speakers for a premium audio system. Proper crossover settings allow the speakers and subwoofer to deliver balanced, full-range sound.
- • Why do I hear rattling around the mounting area instead of clean bass?
Loose fiberglass panels, storage compartments, or mounting hardware are usually responsible for unwanted vibrations. Tightening the mounting surface and securing nearby components typically eliminates the rattling.
- • How should I clean and maintain it?
Wash the subwoofer with fresh water, mild soap, and a soft cloth after every boating trip, especially after saltwater exposure. Avoid abrasive cleaners or harsh chemicals that could damage the grille or marine-grade finish.
Learn how to wire subwoofers
- Diameter : 12 Inch
- Sensitivity : 86.7 dB
- Impedance : 4 Ohm
- RMS Power Range : 600 Watts
- Peak Power Handling : 1000 Watts
- Color : Gunmetal
Features:
- Reference Standard Performance: Engineered to produce staggering amounts of jaw-dropping bass in infinite-baffle applications.
- Infinite-Baffle Design: Operates without a dedicated enclosure, perfect for flexible marine installations.
- Robust Voice Coil: Features a monstrous 4-inch voice coil for exceptional power handling and high output.
- Rugged Suspension System: Built for outstanding linear excursion and enhanced durability.
- Amplifier Compatibility: Best used with amplifiers in the 200W – 600W range for optimal performance.
- Large Air Volume Optimization: Requires a minimum of 3 cu. ft. (84.95 liters) of air behind it for ideal operation.
- Marine-Grade Durability: Constructed to withstand harsh saltwater environments for reliable performance.
- Long-Lasting Enjoyment: Designed for years of listening pleasure in demanding marine settings.
Specifications:
- Continuous Power Handling (RMS): 600 W
- Nominal Impedance (Znom): 4 ohms
- Free Air Resonance (Fs): 35.34 Hz
- Electrical “Q” (Qes): 0.856
- Mechanical “Q” (Qms): 10.389
- Total Speaker “Q” (Qts): 0.791
- Equivalent Compliance (Vas): 1.99 cu ft / 56.35 L
- One-Way Linear Excursion (Xmax)*: 0.73 in / 18.5 mm
- Reference Efficiency (no): 0.28%
- Efficiency (1 W / 1 m)**: 86.7 dB SPL
- Effective Piston Area (Sd): 80.54 sq in / 0.052 sq m
- DC Resistance (Re): 3.543 ohms
- UPC: 699440936736
- Weight: 10
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.
