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An 8" dual-voice-coil (4Ω) marine subwoofer with Color Optix™ lighting compatibility and Element Ready™ construction for water, salt and UV resistance. Sold individually.
Buyer confidence
88%Highlights
- 2-Year Warranty
- 100% UV Stable ASA plastic frame & grille design stands up to harsh marine environment
- VAST vertical attach surround technique increases effective radiating cone area up to 25%
- Vented motor design with water-repelling nano coated mesh screen
Key specs
Full specs- Size
- 8"
- Voice Coil Type
- Dual Voice Coil
- Le (mH)
- 1.70
- Nominal Impedance (Ohms)
- 2-Ohm or 8-Ohm Switchable
- Power Handling (Watts RMS)
- 150 Watts RMS 1600 Watts PEAK
- Qts
- 0.90
- Vas (Liters)
- 15.7
- Xmax (mm)
- 7.0
Key specs
Full specs- Size
- 8"
- Voice Coil Type
- Dual Voice Coil
- Le (mH)
- 1.70
- Nominal Impedance (Ohms)
- 2-Ohm or 8-Ohm Switchable
Highlights
Overview- 2-Year Warranty
- 100% UV Stable ASA plastic frame & grille design stands up to harsh marine environment
- VAST vertical attach surround technique increases effective radiating cone area up to 25%
Overview
An 8" dual-voice-coil (4Ω) marine subwoofer with Color Optix™ lighting compatibility and Element Ready™ construction for water, salt and UV resistance. Sold individually.
Best for
- Boats and other marine audio systems needing compact, weather-resistant bass
- Owners who want integrated, app-controllable lighting with Color Optix™
- Installs requiring plug-and-play Deutsch™ / Amphenol™ connectivity
Key points
- Size: 8" subwoofer, dual voice coil (DVC) 4Ω configuration
- Color Optix™ lighting support — requires PMX-RGB controller and RF Connect™ App
- Element Ready™ construction for marine durability (water, salt, UV)
- Integrated Deutsch™ / Amphenol™ connectors for True Marine Ecosystem plug-and-play
- VersaSwitch™ for easy impedance changes between 2Ω and 8Ω
- Product materials reference IP-rated water protection (IP67 noted in product overview and IPX6 in technical list)
Fit and use
Designed as a marine subwoofer to mount in appropriate enclosures or vehicle locations rated for marine use. For lighting, pair with the Color Optix™ PMX-RGB controller and the RF Connect™ App via the integrated Deutsch/Amphenol connections. Use the VersaSwitch™ to set the desired impedance for your system. Sold individually; controller and app are separate accessories.
What to know
This unit is sold individually. Lighting requires the PMX-RGB controller and the RF Connect™ App (controller and app shown in product materials are separate). The subwoofer is built to meet Rockford Fosgate’s Element Ready™ standards for exposure to water, salt, and UV; product materials cite IP-rated protection. Inte…
Highlights
Key features
- 2-Year Warranty
- 100% UV Stable ASA plastic frame & grille design stands up to harsh marine environment
- VAST vertical attach surround technique increases effective radiating cone area up to 25%
- Vented motor design with water-repelling nano coated mesh screen
- Fully insulated silicone tinsel leads
- Ultra-bright wide-angle RGB LEDs provide rich, reliable illumination
- 1.5" (39mm) High Temp Kapton™ Woofer Voice Coil Former
- Industry’s first molded in-frame connectors for simple connectivity in addition to conventional spade terminals
- Integrated Deutsch™/Amphenol™ connectors make wiring connections simple and error proof
- VERSA impedance switch quickly allows series or parallel configuration without additional wiring
- Linear Synthetic Fiber Blend Spiders
- Co-molded surround and mineral filled polypropylene cone body
More info
Manufacturer details
The M1D4-8B Color Optix™ 8” DVC 4-Ohm subwoofers deliver loud, clear, accurate bass, and light the way for your journey! Sold individually (1 each).
Color Optix™: Adjust your own bright, wide, and limitless lighting experience with the Rockford Fosgate Color Optix™ plug-and-play controller (sold separately) and App.
Element Ready™: Purpose Built for the Marine Environment, Rockford’s Element Ready™ products are built to stand up to Water, Salt, and UV rays, making sure your subwoofers stand the test of time.
True Marine Ecosystem: Integrated Deutsch™ / Amphenol™ connections provide industry leading marine plug-and-play connectivity and flexible install options.
Color Optix™: Requires PMX-RGB controller and RF Connect™ App
Color Optix™ Speakers | Launch
Color Optix™ Speakers | Overview
Color Optix™ Controller | Overview
Additional details
The M1 series of Element Ready™ subwoofers are designed to pair with the Rockford Fosgate Color Optix™ Controller and RF Connect App through its Deutsch™ and Amphenol™ connectors integrated into the basket. This combined with their IP67 certification make these speakers Element Ready™ and truly purpose built for marine applications. To compliment the plug and play connectivity and streamline installation, M1 subwoofers are equipped with a VersaSwitch™ to make changing impedance between 2 and 8 ohms as easy as flipping a switch.
Technologies
Element Ready™ | Speakers
All components are protected against harsh outdoor elements like Dust, UV, Temperature, Water, Corrosion &
ASTM B117 Testing
ASTM B117 500Hr Salt/Fog Testing Standards
Klippel Verified
To adorn the ‘Verified with Klippel’ mark, the qualifying company’s loudspeaker engineering personnel must be
ASTM G154 Testing
ASTM G154 500Hr Accelerated UV testing
IPX6 Water Intrusion Rated
A device with a level 6 water resistance rating can survive strong water jets projected by a 12.5mm nozzle at any
ISO60068-2-64 Vibration Testing
ISO60068-2-64 Vibration testing standards ensure the product is durable and can withstand vibrations found on
VAST Surround - Marine
Rockford Fosgate's proprietary surround technique, VAST, provides up to a 25% increase in the speakers effective
VERSA Switch
Allows you to easily configure a 2Ω Dual Voice Coil subwoofer into 1Ω / 4Ω or a 4Ω DVC sub into 2Ω / 8Ω with the
Specs
Specifications
22
| Size | 8" |
| Voice Coil Type | Dual Voice Coil |
| Le (mH) | 1.70 |
| Nominal Impedance (Ohms) | 2-Ohm or 8-Ohm Switchable |
| Power Handling (Watts RMS) | 150 Watts RMS 1600 Watts PEAK |
| Qts | 0.90 |
| Vas (Liters) | 15.7 |
| Xmax (mm) | 7.0 |
| Re (Ohms) | 6.3 |
| SPL (dB @ 1w/1m) | 87.5 |
| Sd (cm2) | 227 |
| Sd (cm2) | 227 |
| Fs (Hz) | 44.5 |
| Mounting Depth | 3.43 in. (87.1 mm) |
| Cutout Diameter | 7.10 in. (180.4 mm) |
| Qes | 0.79 |
| Qms | 9.2 |
| Woofer Displacement | 0.05 cu. ft. (1.41 Liters) |
| Magnet Weight (oz) | 17.72 oz. (0.50 Kg) |
| Voice Coil Diameter | 1.5" (38.6 mm) |
| Speaker Connector | Deutsch™ |
| Shipping Weight | 4.6 Lbs. (2.10 Kg.) |
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Installation resources
Wiring diagrams
9
Wiring Diagram #1
Source: Rockford Fosgate
Wiring Diagram #2
Source: Rockford Fosgate
Wiring Diagram #3
Source: Rockford Fosgate
Wiring Diagram #4
Source: Rockford Fosgate
Wiring Diagram #5
Source: Rockford Fosgate
Wiring Diagram #6
Source: Rockford Fosgate
Wiring Diagram #7
Source: Rockford Fosgate
Wiring Diagram #8
Source: Rockford Fosgate
Wiring Diagram #9
Source: Rockford Fosgate
Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
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