6.4 Subwoofer¶
12" infinite baffle marine subwoofer with RGB LED lighting, designed for large air volume installations.
Type: 12" Infinite Baffle Marine Subwoofer
Model: M7-12IB-S-GmTi-i-4
Part Number: 010-03288-00
Manufacturer: JL Audio
Product Page: M7-12IB-S-GmTi-i-4
Quantity: 1
Mounting: Cargo area wall (infinite baffle)
Power Source: Amplifier Channels 1+2 (bridged)
Specifications¶
| Spec | Value |
|---|---|
| Power Handling | 600W RMS @ 4Ω |
| Amplifier Output | 580W RMS (97% match) |
| Impedance | 4Ω |
| Sensitivity | 86.7 dB @ 1W/1m |
| Free Air Resonance | 35.34 Hz |
| Sealed -3dB | 35.52 Hz |
| Ported -3dB | 20.96 Hz |
| Voice Coil | 4" (102mm) |
| Weight | 25.35 lbs |
| Warranty | 3 years |
Dimensions¶
| Measurement | Value |
|---|---|
| Overall Diameter | 14" (356mm) |
| Overall Depth | 9.39-9.42" |
| Mounting Depth | 7.94" (202mm) |
| Cutout Diameter | 12.0625" (306mm) |
| Bolt Hole Circle | 12.813" (325mm) |
| Grille Protrusion | 1.45-1.48" |
Infinite Baffle Requirements¶
- Minimum air volume: 3 cu. ft. (84.95 liters) behind mounting surface
- Installation type: No dedicated enclosure required
- Ideal locations: Cargo area wall, rear seat/tub wall
- Jeep LJ cargo area: Provides ideal infinite baffle environment
Features¶
- Transflective RGB LED lighting (via MLC-RW)
- Gunmetal trim ring with titanium sport grille
- Marine-grade construction
- Mica-filled polypropylene cone
- Synthetic rubber surround
Wiring¶
| Connection | Wire | Notes |
|---|---|---|
| Speaker (+) | 12 AWG | From amp Ch 1+2 bridged |
| Speaker (−) | 12 AWG | From amp Ch 1+2 bridged |
| LED | 20 AWG | RGB from MLC-RW |
Standard speaker wire (no XM-WHTMFC needed for subwoofer audio).
Outstanding Items¶
- Determine subwoofer mounting location and orientation