About the JL Audio M8IB5-SG-TB
Big performance and sharp styling
Big performance and sharp styling
Designed to withstand the rigors of the marine environment, JL Audio's M8IB5-SG-TB marine subwoofer brings big bass and subtle style to your boat, and its unique size makes it a great fit on most boats. The free-air design allows you to install it in a bulkhead or another suitable spot, or you can use a large sealed enclosure. Add it to your existing system, or use it in conjunction with JL Audio's marine speakers to create a powerful sound system that will rock the waves.The titanium finish and sport grille design make it a great addition to your boat's interior.
This rugged sub is made for marine use.
Made in USA
Built in JL Audio's Florida factory, this powerful sub uses a marine-grade synthetic fiber spider, injection-molded polypropylene cone, and synthetic rubber surround to withstand the corrosive effects of sun, salt, and spray. A UV-resistant polymer basket protects the entire structure, and special UV protection ensures that the grilles will still look factory-fresh, even after years of sun exposure. As an added bonus, you're protected by JL Audio's 2-year warranty.
- 8.8" 4-ohm marine subwoofer with titanium sport grille
- injection-molded mica-filled polypropylene woofer with synthetic rubber surround
- Centrex polymer basket and grille, with stainless steel back plate
- gold-plated, marine-grade brass binding posts
- marine-grade synthetic fiber spider
- suitable for free air use
- power range: 50-200 watts RMS (500 watts peak power)
- sensitivity: 86.7 dB
- top-mount depth: 5-1/8"
- sealed box volume: 1.50 cu.ft.
- warranty: 2 years
- MFR # 91373
What's in the box:
- 8.8" Marine subwoofer
- Titanium (gray) polymer grille
- Six 1-1/2" Stainless-steel screws
- 6 Stainless-steel flat washers
- 6 Grille logo badges (2 Red/ 2 Black/ 2 Gray)
- Owner's manual
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More details on the JL Audio M8IB5-SG-TB
Marine Tested: JL Audio's marine subwoofers are subjected to ultraviolet testing chambers (to simulate years of sun exposure) and salt fog chambers (to simulate years of exposure to salt-water environments). Marine-grade stainless steel mounting hardware is included.
Construction: The 8.8" subwoofer features an injection-molded, mica-filled polypropylene cone with a synthetic rubber surround specifically formulated with UV inhibitors for marine use. Marine-grade, synthetic fiber spiders withstand high humidity. The polymer baskets are corrosion and UV-resistant and encapsulate the sub's motor system to prevent corrosion.
Dynamic Motor Analysis (DMA): DMA is JL Audio's proprietary method of improving dynamic motor behavior. As a result of DMA optimization, the subwoofer's motor remains linear over a long excursion range, and also maintains a stable fixed magnetic field in the gap over a wide power range. The result is reduced distortion, faithfully reproduced transients, and tight, clean, articulate bass.
Infinite-Baffle Operation: The M8IB5 is optimized for infinite baffle operation so that it can be installed in a variety of locations, without the need for a dedicated enclosure. If an enclosure is used, 1.5 ft³ is the minimum recommended volume.
Polymer Basket And Grille: The UV-resistant polymer basket and grille are corrosion and UV-resistant, protecting the subwoofer and encapsulating the motor assembly to prevent corrosion. If the sub is mounted without the grill, the mounting height is 1.065 inches.
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