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Rockford Fosgate Prime R1675

6-3/4" 3-way car speakers

Item #: 575R1675

2 Reviews

This item is no longer available.

Original Price: $59.99 pair

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Excellent factory replacement
Whether you're building your first system or replacing some burned-out factory speakers, Rockford Fosgate's Prime R1675 6-3/4" speakers offer clean, powerful performance that'll keep you and your friends rockin' as you drive. Plus, Prime speakers are a great way to get Rockford Fosgate sound quality without destroying your bank account.

R1675 6-3/4

Better components give better detail
The Prime R1675 6-3/4" 3-way speakers sport stiff mica-injected polypropylene woofer cones that deliver strong drums and bass, along with clean reproduction of the midrange frequencies. The Mylar tweeter and supertweeter add the excitement of strong high-frequency response to your music without a trace of harshness. Built-in crossover networks divide the frequencies going to each driver, so all your music plays faithfully. Grilles are included.

Product Highlights:

  • 6-3/4" 3-way car speakers (pair)
  • mica-injected polypropylene woofer with foam surround
  • 1/2" Mylar balanced dome tweeter
  • piezo supertweeter
  • power range: 2-40 watts RMS (80 watts peak power)
  • frequency response: 48-22,000 Hz
  • sensitivity: 89 dB
  • top-mount depth: 2-3/16"
  • grilles included
  • warranty: 1 year
  • Our 60-day money-back guarantee

Why replace your factory speakers?

The speakers that originally came in your car were made from inexpensive materials, designed to create acceptable sound at the lowest possible cost to the manufacturer. If you love music, you deserve better. Name-brand aftermarket speakers deliver fuller, richer sound with considerably more detail and nuance, and they're capable of playing louder and cleaner than factory speakers. Connect new speakers to your factory radio and you'll get the best possible sound from your dealer-equipped system. Pair them up with a new car stereo for a level of enjoyment that can rival a high-fidelity home audio experience.

Rockford Fosgate Prime R1675 Reviews

Average Customer Review:

2 Reviews

Nice speakers

Written by: Pete from Bradenton, FL on September 12, 2012

2002 Toyota Tundra
Crutchfield Customer Review (What's this?)

These are 6.75" not 6.5" They sound better than I hoped. I installed in the back doors of my Tundra. Not too bad, better bass response than I thought I'd get, mids and highs are fine. Quality built.

Pros: Great bass and mids, highs are decent

Cons: None

Not enough range for me

Written by: relentless3 from Alabama on March 26, 2012

2007 Honda Civic LX
Crutchfield Customer Review (What's this?)

Replace the factory speakers with these...Thanks to Crutchfield's awesome support, these will be returned. The range of these speakers is very limited. The highs sound great, but there is no mid's or bass at all. I am ordering some kicker ds60's...hoping these will at least have some midrange sound. Yes, I double checked to make sure everything was hooked up correctly...I have an aftermarket pioneer head unit that is great, but just not with these speakers.

Pros: Crutchfield support

Cons: Only mids or bass.

Hands-on research

What's in the box?

Download owner's manual

  • Two 6-3/4" Three-way speakers
  • 2 Grilles
  • Two 12' lengths of speaker wire (female quick connects on one end and bare tinned wire on other)
  • Eight 1-1/4" Self tapping screws
  • 8 Speed clips
  • Installation/Operation manual (English/ French/ Spanish/ German/ Italian)

Features and Specs

Design 3-way
Tweeter Design 1/2" Piezo balanced dome
Tweeter Composition Mylar
Woofer Composition Mica injected poly
Woofer Surround Foam
Parts Warranty 1 Year
Labor Warranty 1 Year
Sensitivity 92 dB at 2.83 volts
89 dB at 1 watt
Frequency Response 48 - 22k Hz
RMS Power Range (Watts) 2-40
Peak Power Handling (Watts) 80
Impedance (Ohms) 4
Top-mount Depth (Inches) 2 3/16
Bottom-mount Depth (Inches) 2 3/8
Cutout Diameter or Length (inches) 5 5/8

Product Research


Woofer: The Rockford Fosgate Prime R1675 utilizes Mica injected polypropylene cone woofers, cold rolled steel baskets, and foam surrounds.

Dual Tweeters: Each speaker features a 1/2" Mylar balanced dome tweeter and a Mylar Piezo super-tweeter. A semi-dome tweeter has a dome placed inside a cone; balanced dome tweeters are semi-dome tweeters with equal reproduction area given the cone and dome portions of the tweeter. The low distortion Mylar material allows accurate reproduction of high frequencies for an open sound stage.

Mounting: The speaker's mounting ring has multiple mounting holes for various 6-3/4" applications.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.