facebook no script image

Rockford Fosgate  M2-8B

M2 Series 8" 1000W Peak Power Handling at 4 Ohms, 2-way Coaxial Marine/Powersports Speakers (Pair)

Item #91013

Condition:   Brand New

Product Highlights

  • M2 Series
  • 8 Inch
  • 1000W Peak
  • 2-Way Coaxial
  • Marine Powersports

  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping.
60 DAYS Price change protection.

$579.99

Reg. Price $679.99  Save $100.00
Add Extended Warranty
  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping.
60 DAYS Price change protection.

No Credit needed for acima logoLearn More

Rockford Fosgate Authorized Dealer

Huge Saving on Other items:


Huge Saving on Other items:


Rockford Fosgate Banner

Rockford Fosgate M2-8B M2 Series 8" 250W RMS (1000W Peak Power Handling) at 4 Ohms, 2-way Coaxial Marine/Powersports Speakers (Pair)


We are a Rockford Fosgate authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • • (2) 8" M2 Series 2-way Coaxial Marine/Powersports Speakers
  • • (2) Centrex plastic grilles (Black)
  • • (2) Stainless steel grilles
  • • (2) Grille rings (Black)
  • • (2) 11" LED power harnesses with 4-pin Deutsch connectors on one end
  • • (12) 1-3/4" Stainless steel Allen head screws
  • • 3mm Allen head bit
  • • 3.5mm Drill bit
  • Owner's Manual

 


Why Choose Rockford Fosgate M2-8B Marine Speakers?


Rockford Fosgate M2-8B Marine Speakers Front View
Ready for Salt, Sun, and Nonstop Sound Pressure

The Rockford Fosgate M2-8B is built for riders and boaters who push their audio systems into environments where most gear taps out. Engineered specifically for coastal and off-road punishment, it is tested under ASTM B117 salt fog and ASTM G154 UV exposure to make sure it keeps performing through heat, moisture, and constant abuse. With marine-grade stainless hardware and corrosion-resistant construction, it holds strong where rust and weather normally win. This is durability you can actually trust when conditions turn ugly.

Compact Size, Big Output, and Cleaner Control

Do not let the 8 inch form factor fool you, these speakers hit with serious authority thanks to high-rigidity mineral-filled polypropylene woofers. The cone stays controlled and stable under pressure, which means tighter bass and lower distortion even when you crank it up. Paired with VAST acoustic expansion, you get more effective cone area pushing air for deeper, more impactful low-end response without needing a larger speaker. Add Klippel-optimized tuning into the mix, and the result is cleaner output, better efficiency, and more balanced sound across the entire range.

Rockford Fosgate M2-8B Marine Speakers Rear View
Rockford Fosgate M2-8B Marine Speakers
Built-In Light Show and Smarter Marine Engineering

The M2-8B does not just deliver sound, it brings visual energy with a dynamic RGB LED system that lets you customize your lighting setup to match your ride or boat vibe. Whether you want subtle glow or full color effects, it is flexible and ready for optional Rockford Fosgate controllers. Installation stays solid and hassle-free with sealed dual-terminal connectivity, including quick-slide and waterproof Deutsch connectors for reliable signal transfer. The concealed ICC crossover keeps everything protected inside the basket while maintaining smooth high-frequency performance, giving you a clean install with pro-level reliability.

 


Frequently Asked Questions (FAQ)


  • • Why does the bass sound weak after installation?
    Open-air marine installations naturally reduce bass. Check polarity and mounting, or add a subwoofer for deeper low-frequency output.
  • • Can I run these directly from my marine head unit?
    Yes, but an amplifier can provide more clean power and volume. Match the amplifier to the speakers' impedance and RMS power rating.
  • • Why do they distort at high volume?
    Amplifier clipping, excessive gain, or aggressive EQ can cause distortion. Lower the gain and bass boost, then verify the signal is clean.
  • • Why don't they fit my existing 8-inch speaker opening?
    Different 8-inch speakers can have different dimensions. Measure the cutout, mounting depth, and screw pattern before installation.
  • • Can these be installed in a wakeboard tower or custom pod?
    Yes, provided the enclosure supports the required dimensions and mounting depth. Verify the opening and clearance before drilling.
  • • Why aren't the Color Optix lights turning on?
    Check the RGB harness, power, ground, connectors, and fuse. The lighting requires its own electrical connection separate from the audio wiring.
  • • Do I need a controller for the RGB lighting?
    No, the speakers operate normally without the controller. A compatible controller provides additional color and lighting-effect options.
  • • Why is one speaker louder than the other?
    Check polarity, wiring, amplifier channels, and balance settings. Swap the connections to determine whether the problem follows the speaker.
  • • Why do the speakers rattle after installation?
    Loose hardware or an uneven mounting surface can cause vibration. Tighten the hardware evenly and ensure the mounting surface is secure.
  • • Are these suitable for harsh marine environments?
    Yes, they are designed for marine use with weather-resistant construction. Proper installation and sealed connections help maintain long-term performance.

SPECIFICATIONS


  • Diameter : 8 Inch
  • Sensitivity : 93.1 dB
  • Impedance : 4 Ohm
  • Frequency Response : 35-24000 Hz
  • Peak Power Handling : 1000 Watts
  • Color : Black
  • RMS Power Handling : 250 Watts

FEATURES


Features:

  • Engineered Coastal Audio Strength: Designed for demanding marine and powersports environments, these speakers are validated through ASTM B117 salt/fog and ASTM G154 UV testing to ensure long-term resilience against corrosion, moisture, and sun exposure.
  • High-Rigidity Mineral-Filled Woofers: Injection-molded polypropylene cones reinforced with mineral fillers and UV inhibitors deliver precise cone control, reduced distortion, and improved bass accuracy with consistent structural integrity.
  • Weather-Resistant TPE Surrounds: Thermo-plastic elastomer surrounds provide long-lasting flexibility while resisting UV degradation, salt exposure, and harsh environmental conditions.
  • Bridge-Mounted Dome Tweeters: 1" dome tweeters feature a bridge-mounted design for improved durability and acoustic efficiency, eliminating the need for a central woofer pole structure.
  • Dynamic Multi-Color LED System: Integrated RGB LEDs enable customizable illumination effects, supporting multiple color combinations and compatibility with optional Rockford Fosgate LED controllers for enhanced visual styling.
  • Sealed Dual-Terminal Connectivity: Equipped with both standard quick-slide terminals and waterproof 2-pin Deutsch connectors to ensure secure, corrosion-resistant electrical performance in extreme environments.
  • Concealed ICC Crossover Architecture: Integrated 12 dB/octave high-pass crossover is housed within the basket for a clean installation profile and protected long-term operation.
  • VAST Acoustic Expansion Design: Vertical Attach Surround Technique maximizes effective cone area to deliver stronger low-frequency output without increasing overall speaker footprint.
  • Klippel-Optimized Precision Tuning: Advanced laser-based analysis refines motor structure, voice coil alignment, and suspension geometry for superior linearity, clarity, and efficiency.
  • Marine-Grade Stainless Hardware: Corrosion-resistant stainless steel mounting components ensure structural durability and long service life in harsh operating conditions.

 

Specifications:

  • Speaker Type: 2-way Coax
  • \Midrange Size (Nominal Diameter): 8"
  • Power Handling (RMS)
    • 250 Watts RMS
    • 1000 Watts Peak
  • Nominal Impedance (Ohms): 4-Ohm
  • Midrange Mounting Depth: 3.35" (85 mm)
  • Tweeter Size: 1" (25.4 mm)
  • Crossover: High Pass: 12dB/Octave
  • Sensitivity (dB @ 1W/1M): 93.1
  • Sensitivity (dB @ 2.83V/1M): 93
  • Frequency Response (Hz): 35 Hz - 24 kHz
  • Mounting Hardware: Stainless Steel
  • Grille/Trim Ring Included: Yes
  • UPC: 780687353742
  • Weight: 5
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.

Do you own this product?

Write a review!

Must haves for Rockford Fosgate M2-8B:

Other items that might interest you:

Other customers also shopped for: