Rockford Fosgate M0-65BM0 6.5" Marine Grade Speakers (pr) - Black

4.744 reviewsSee all reviews

Variants

BlackBlack2 variants

Marine-grade 6.5" speakers that deliver clear, punchy sound, solid build, and straightforward installation — a reliable upgrade for boats, trailers, and small vehicles.

Buyer confidence

84%

Highlights

  • 2-Year Warranty
  • UV and Salt-Fog Resistant Santoprene Surround
  • VAST vertical attach surround technique increases effective radiating cone area up to 25%
  • Sold in pairs (2 each)

Key specs

Full specs
Speaker Type
2-Way Full-Range
Crossover
High-Pass (HP): 6dB
Grille/Trim Ring Included
Yes
Tweeter Size (Nominal Diameter)
0.5" (12.7 mm)
Midrange Size (Nominal Diameter)
6.5"
Nominal Impedance (Ohms)
4-Ohms
Midrange Size (Nominal Diameter)
6.5"
Nominal Impedance (Ohms)
4-Ohms

Key specs

Full specs
Speaker Type
2-Way Full-Range
Crossover
High-Pass (HP): 6dB
Grille/Trim Ring Included
Yes
Tweeter Size (Nominal Diameter)
0.5" (12.7 mm)

Highlights

Overview
  • 2-Year Warranty
  • UV and Salt-Fog Resistant Santoprene Surround
  • VAST vertical attach surround technique increases effective radiating cone area up to 25%

Review highlights

Based on customer reviews

Clear, punchy 6.5" marine speakers with easy installation

Marine-grade 6.5" speakers that deliver clear, punchy sound, solid build, and straightforward installation — a reliable upgrade for boats, trailers, and small vehicles.

44 reviews4.7/5 averageUpdated Mar 15, 2026

What buyers praise

  • Clear, punchy sound with good bass and midrange
  • Loud output with low distortion when driven appropriately

What to watch for

  • Occasional unit variability — some buyers reported flat or recessed treble/weak bass; inspect and test sound on arrival
Overview

Rockford Fosgate M0-65B are 6.5" full-range marine-grade speakers designed for outdoor audio. The Element Ready® design provides resistance to water, salt, dust and UV. Sold in pairs and finished in black.

Best for

  • Marine watercraft audio
  • Off-road and outdoor vehicle audio
  • Outdoor listening areas (decks, patios, boats)
  • Upgrading 6.5" full-range speaker systems

Key points

  • Element Ready® design resists water, salt, dust and UV
  • 100% UV-stable frame and encapsulated motor assembly
  • Marine-grade connectors resist corrosion
  • Injection-molded mineral-filled polypropylene cone
  • Santoprene surround for reliable cone motion
  • VAST (Vertical Attach Surround Technique) increases effective radiating area

Fit and use

Designed specifically for marine and outdoor use, these 6.5" full-range drivers deliver strong low-end and mid-range performance with smooth high frequencies from the integrated tweeter. They are intended for installation where resistance to water, salt, dust and UV exposure is required. The black finish and marine-grade components suit on-board and exposed outdoor mounting locations.

What to know

These speakers use Rockford Fosgate's Element Ready® construction to help withstand harsh outdoor conditions; follow manufacturer guidance for mounting and wiring. Units are sold in pairs. For detailed specifications, installation guidance, and maintenance information, consult the product documentation and owner's man…

Highlights

Key features

  • 2-Year Warranty
  • UV and Salt-Fog Resistant Santoprene Surround
  • VAST vertical attach surround technique increases effective radiating cone area up to 25%
  • Sold in pairs (2 each)
  • Linear Synthetic Fiber Blend Spiders
  • Co-molded surround and mineral filled polypropylene cone body
  • Zinc Nickel-plated Marine grade brass connection terminals
  • Fully sealed integrated concealed crossover (ICC) network
  • Grill Integrated 0.5" (13mm) LCP Balanced Dome Tweeter
  • 1" (25mm) High Temp Kapton® Woofer Voice Coil Former
  • Sealed motor design
  • 100% UV Stable ASA plastic frame & grille design stands up to harsh marine environment
More info

Manufacturer details

The M0-65B full-range speakers are purpose built to play high quality sound in outdoor environments. The Element Ready® design enables these speakers to withstand water, salt, dust, and UV rays.  Sold in pairs (2 each).

Additional details

The newly designed M0 speakers feature weatherproofing technology specific for use in marine watercraft and off-road vehicle audio systems. The 100% UV stable frame combined with an encapsulated motor assembly, and marine grade connectors yield a driver that will not discolor or corrode in the harsh marine environment. Purpose built to play high quality sound in the outdoors, the M0 speakers deliver superb low end and mid-range frequency reproduction via an injection molded mineral filled polypropylene cone body, santoprene surround, and Rockford’s patented VAST (vertical attach surround technique) Technology to increase the effective radiating cone area. By pairing this with an efficient, grill integrated, tweeter the speakers’ sonic signature is rounded out by smooth crystal-clear high frequencies.

Specs

Specifications

13
Speaker Type2-Way Full-Range
CrossoverHigh-Pass (HP): 6dB
Grille/Trim Ring IncludedYes
Tweeter Size (Nominal Diameter)0.5" (12.7 mm)
Midrange Size (Nominal Diameter)6.5"
Nominal Impedance (Ohms)4-Ohms
Midrange Size (Nominal Diameter)6.5"
Nominal Impedance (Ohms)4-Ohms
Sensitivity (dB @ 1W/1M)90.5
Sensitivity (dB @ 2.V/1M)91
Midrange Mounting Depth2.52" ( 63.9 mm)
Mounting HardwareStainless Steel
Shipping Weight1.93 Lbs. (0.88 Kg.)
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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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