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Variants
Improves mids and highs and delivers punchy midbass for a noticeable step up from stock speakers—works well on many factory head units—affordable and entry-level, but expect some tuning and fitment work in certain cars.
Buyer confidence
91%Highlights
- Mica-injected polypropylene cone
- Foam surround
- 1/2" (13mm) Mylar® balanced dome
- Stamped steel basket
Key specs
Full specs- Speaker Type
- Component System
- Nominal Impedance (Ohms)
- 4-Ohm
- Frequency Response (Hz)
- 55Hz - 20kHz
- Tweeter Size (Nominal Diameter)
- 1.0" (25.4mm)
- Tweeter Mounting Depth
- 1.06" (26.88 mm)
- Crossover
- Tweeter High-Pass (HP): 12kHz @ 6dB/octave
- Sensitivity (dB @ 1W/1M)
- 89
- Midrange Mounting Depth
- 2.0" (51.2 mm)
Key specs
Full specs- Speaker Type
- Component System
- Nominal Impedance (Ohms)
- 4-Ohm
- Frequency Response (Hz)
- 55Hz - 20kHz
- Tweeter Size (Nominal Diameter)
- 1.0" (25.4mm)
Highlights
Overview- Mica-injected polypropylene cone
- Foam surround
- 1/2" (13mm) Mylar® balanced dome
Review highlights
Based on customer reviewsClear, punchy OEM-friendly component upgrade
Improves mids and highs and delivers punchy midbass for a noticeable step up from stock speakers—works well on many factory head units—affordable and entry-level, but expect some tuning and fitment work in certain cars.
What buyers praise
- Clear, detailed highs and improved overall clarity
- Strong midbass and punch for 6.75" drivers
What to watch for
- Installation/fit can require trimming, new holes, different screws, or mounting creativity—tweeter pods don’t always drop into factory locations
Overview
The Rockford Fosgate Prime R1675-S is a 6.75-inch 2-way component speaker system rated at 40 watts RMS, designed as a next-generation factory replacement to deliver clearer highs and balanced midbass.
Best for
- Drivers replacing factory speakers who want a component upgrade that accommodates OEM-style installation and improved h…
Key points
- 6.75-inch 2-way component system
- Rated 40 watts RMS
- Mica-injected polypropylene woofer cone for extended frequency response
- Mylar balanced-dome tweeter for clear highs
- In-line (integrated) crossover to simplify wiring
- Tweeter supports flush, surface and angle mounting
Fit and use
Designed to accommodate direct OEM installation where 6.75-inch component speakers are supported. Tweeters can be mounted flush, on the surface, or at an angle to suit factory or custom locations. Confirm speaker cutouts and mounting depth for your vehicle before purchase.
What to know
This kit is sold in pairs and includes woofers, tweeters, in-line crossovers and basic mounting hardware. Power rating is 40W RMS; match speaker power handling to your head unit or amplifier. Verify vehicle fitment and mounting requirements prior to buying. CEA-2031 is the stated measurement standard for performance s…
Highlights
Key features
- Mica-injected polypropylene cone
- Foam surround
- 1/2" (13mm) Mylar® balanced dome
- Stamped steel basket
- Sold in pairs (2 each)
- 1 Year Warranty
- CEA-2031
Technologies
CEA-2031
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards. This means your speaker has
Specs
Specifications
13
| Speaker Type | Component System |
| Nominal Impedance (Ohms) | 4-Ohm |
| Frequency Response (Hz) | 55Hz - 20kHz |
| Tweeter Size (Nominal Diameter) | 1.0" (25.4mm) |
| Tweeter Mounting Depth | 1.06" (26.88 mm) |
| Crossover | Tweeter High-Pass (HP): 12kHz @ 6dB/octave |
| Sensitivity (dB @ 1W/1M) | 89 |
| Midrange Mounting Depth | 2.0" (51.2 mm) |
| Midrange Size (Nominal Diameter) | 6.75" |
| Power Handling (RMS) | 40 Watts RMS 80 Watts Max |
| Mounting Hardware | Yes |
| Shipping Weight | 5.2 Lbs. (2.35 kg) |
| Grille/Trim Ring Included | Yes |
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