6.3 Speakers¶
Marine-grade coaxial speakers with integrated RGB LED lighting for front dash and rear roll bar positions.
Front Half-Door Speakers¶

Type: 6.5" 2-Way Coaxial Marine Speaker
Model: M6-650X-S-GmTi-i
Manufacturer: JL Audio
Product Page: M6-650X-S-GmTi-i
Quantity: 2 (pair)
Mounting: In-door, custom Gatekeeper Offroad half-doors (6.5" cutouts)1
Power Source: Amplifier Channels 3+4
Front Speaker Specifications¶
| Spec | Value |
|---|---|
| Power Handling | 75W RMS @ 4Ω |
| Amplifier Output | 150W RMS (2:1 headroom) |
| Impedance | 4Ω |
| Frequency Response | 55-25,000 Hz (±3dB) |
| Sensitivity | 89.5 dB @ 1W/1m |
| Tweeter | 0.8" silk dome (integrated) |
Front Speaker Features¶
- Integrated 0.8" pure silk dome tweeter (no separate install)
- Multi-order 2-way passive crossover (built-in)
- Automatic solid-state tweeter protection
- Transflective RGB LED lighting
- Mica-filled polypropylene woofer
- Gunmetal trim ring with titanium sport grille
Rear Roll Bar Speakers¶

Type: 6.5" 2-Way Enclosed Marine Tower Speaker
Model: M6-650VEX-Mb-S-GmTi-i
Manufacturer: JL Audio
Product Page: M6-650VEX-Mb-S-GmTi-i
Quantity: 2 (pair)
Mounting: Roll bar/cage (wakeboard tower style clamps)
Power Source: Amplifier Channels 5+6
Rear Speaker Specifications¶
| Spec | Value |
|---|---|
| Power Handling | 75W RMS @ 4Ω |
| Amplifier Output | 150W RMS (2:1 headroom) |
| Impedance | 4Ω |
| Frequency Response | 100-25,000 Hz |
| Sensitivity | 89.5 dB |
| Dimensions | 7-1/16" × 7-5/16" × 6-1/4" |
Rear Speaker Features¶
- Built-in RGB LED lights
- 3/4" silk dome tweeters
- Mica-filled polypropylene woofers
- Enclosed weather-resistant design
- Roll bar clamp mounting
Wiring¶
All speakers use JL Audio XM-WHTMFC integrated cable:
| Wire | Gauge | Function |
|---|---|---|
| Speaker leads | 16 AWG OFC | Audio signal |
| LED leads | 20 AWG OFC | RGB + common |
Single cable run per speaker carries both audio and LED control.
Outstanding Items¶
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Related Documentation¶
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Front speakers mount in custom Gatekeeper Offroad half-doors (in-door location, not dash end caps or kick panels). Owner decision, 2026-06-03. ↩