About the JL Audio M6-8IB-S-GmTi-4

Product highlights:
- 8" 4-ohm marine subwoofer
- injection-molded mica-filled polypropylene woofer with synthetic rubber surround
- polymer basket and grille, with stainless steel back plate
- marine-grade brass binding posts
- marine-grade synthetic fiber spider
- works in free air applications, plus sealed or ported boxes
- handles up to 200 watts RMS
- sensitivity: 86.8 dB
- top-mount depth: 5.07"
- mounting diameter: 7.28"
- warranty: 2 years
- MFR # 010-03275-00
- Item # 13693619
- California customers: Please click here for your Proposition 65 WARNING.
What's in the box:
JL Audio M6-8IB-S-GmTi-4 owner's manual
If you need assistance accessing this owner's manual, please give us a call.- One 8" Marine subwoofer
- 1 Grille
- Six 1-1/2" Stainless-steel screws
- 6 Stainless-steel flat washers
- Owner's manual
More details on the JL Audio M6-8IB-S-GmTi-4

Features & specs
Features and Specs | ||
---|---|---|
Size | 8-inch | |
Impedance (Ohms) | 4 | |
Cone Material | Mica-Filled IMPP | |
Surround Material | Rubber | |
Basket Material | Polymer | |
Grille | Titanium (color) Polymer, Spor | |
Free-Air | Yes | |
Dual Voice Coil | No | |
Sensitivity |
86.8 dB at 1 watt | |
Frequency Response | --- | |
Max RMS Power Handling | 200 | |
Peak Power Handling (Watts) | --- | |
Top Mount Depth (inches) | 5 1/8 | |
Bottom Mount Depth (inches) | N/A | |
Cutout Diameter or Length (inches) | 7 5/16 | |
Frame Width | 8.82 | |
Frame Length | 8.82 | |
Vas (liters) | 15.29 | |
Fs (Hz) | 54.92 | |
Qts | 0.787 | |
Xmax (millimeters) | 13.5 | |
Parts Warranty | 2 Years | |
Labor Warranty | 2 Years | |
Box Requirements | ||
Ideal Sealed Box Volume (cubic feet) | 2 | |
Minimum Sealed Box Volume (cubic feet) | 1.5 | |
Maximum Sealed Box Volume (cubic feet) | 2.4 | |
Ideal Ported Box Volume (cubic feet) | 1.5 | |
Minimum Ported Box Volume (cubic feet) | N/A | |
Maximum Ported Box Volume (cubic feet) | N/A | |
Port diameter (inches) | 4 | |
Port length (inches) | 13.5 |
Product Research
Features
Marine Tested: JL Audio's marine speakers are tested in ultraviolet chambers to simulate years of sun exposure, and salt fog chambers to simulate years of exposure to salt-water environments.
Materials: The woofer cone is mica-filled injection-molded polypropylene (IMPP) with UV inhibitors. The surrounds are synthetic rubber and the woofer uses a marine-grade synthetic fiber spider with a progressive roll design. The basket and grille are UV-resistant polymer; they encapsulate the woofer's motor system to prevent corrosion.
Infinite-Baffle Operation: The M6-8IB 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.
Enclosure: If mounting in an enclosure, JL Audio recommends a 2 ft³ sealed (1.5 ft³ minimum) or 1.5 ft³ ported enclosure.
The JL Audio M6-8IB-S-GmTi-4 replaces these items:
- injection-molded polypropylene woofer with synthetic rubber surround
- Centrex polymer grille and basket
- works in sealed boxes and free air applications
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Customer Q&A
5 questions already asked
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Perfect addition to my center console, just the right amount of bump with a JL m200 amp. Quality materials.
John from New Braunfels, TX