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Infinity Reference Series Factory Speaker Replacement Package

Fits select 1986-1993 Mustang

Infinity
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• 180 watts Peak Each, 60 watts RMS Each
•1" Textile Dome tweeters
• Polypropylene cone material with Plus One woofer cone architecture
• Impedance: 4 ohm
• Sensitivity: 93 dB

See compatible vehicles Learn more about the 86-93-ford-mustang-s-inf
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List price $584.82
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-18%

$476.82

 with warranty
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340W Peak (110W RMS) 5.25" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

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Description


Infinity brand icon

Authorized dealer

Infinity REF687F

New Reference speakers are designed to deliver Infinity’s signature sound in more vehicles. They feature edge-driven textile tweeters for smooth, clear highs and the larger models offer an adjustable tweeter output level control for high-frequency optimization based on installation location or the listener’s preference. Oversized Plus One™ woofers offer more surface area for higher bass output and enhanced midrange performance. Plus, our newly engineered baskets are optimized to fit most factory speaker locations.

Infinity REF687F (INFSPKRF687FUS)

360W Peak (120W RMS) 6x8" Reference Series 2-Way Coaxial 3-ohm Speakers
Quantity: 1

Product Details:

  • 6" x 8" Reference Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 360 watts per pair / 180 watts each
    • RMS: 120 watts per pair / 60 watts each
  • Polypropylene cone material
  • Rubber speaker surround
  • 1" Textile Edge Driven Dome Tweeters
  • +3dB tweeter boost switch function
  • 3-ohm impedance combines with speaker wire for 4-ohm load
  • Features Plus One woofer cone architecture
  • Increased low-frequency output and accurate sound production
  • Optimized frame size featuring compact design
  • Top-mount Depth: 2-7/16"
  • Cutout Dimensions: 7-1/4 x 5 
  • Impedance: 3 ohm
  • Frequency Response: 49 - 21000 Hz
  • Sensitivity: 93 dB
  • Authorized Internet Dealer
  • MFR #: REF687F
  • 1-year Manufacturer's Warranty

  • Priced Per Pair

Infinity REF507CF (INFSPKRF507CFUS)

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System
Quantity: 1

Product Details:

  • 5-1/4" 2-way Component System Car Speakers
  • Power Handling:
    • Peak: 390 watts per set / 195 watts each side
    • RMS: 130 watts per set / 65 watts each side
  • Polypropylene cone material
  • Rubber speaker surround
  • 3/4" Textile Edge Driven Dome Tweeters
  • +3dB tweeter boost switch function
  • 3-ohm impedance combines with speaker wire for 4-ohm load
  • Features Plus One woofer cone architecture
  • Increased low-frequency output and accurate sound production
  • Optimized frame size featuring compact design
  • Adjustable tweeter output level control to suit installation location
  • Top-mount Depth: 1-15/16"
  • Cutout Dimensions: 4-1/2"
  • Impedance: 3 ohm
  • Frequency Response: 67 - 21000 Hz
  • Sensitivity: 93 dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Per Complete Component System: 2 midwoofers, 2 tweeters and 2 crossover networks.

Infinity REF307F (INFSPKRF307FUS)

150W Peak (50W RMS) 3.5" Reference Series 2-Way Coaxial 3-ohm Speakers
Quantity: 1

Product Details:

  • 3-1/2" Reference Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 150 watts per pair / 75 watts each
    • RMS: 50 watts per pair / 25 watts each
  • Polypropylene cone material
  • Rubber speaker surround
  • 1/2" Textile Edge Driven Dome Tweeters
  • +3dB tweeter boost switch function
  • 3-ohm impedance combines with speaker wire for 4-ohm load
  • Features Plus One woofer cone architecture
  • Increased low-frequency output and accurate sound production
  • Optimized frame size featuring compact design
  • Top-mount Depth: 1-7/16"
  • Cutout Dimensions: 3"
  • Impedance: 3 ohm
  • Frequency Response: 85 - 21000 Hz
  • Sensitivity: 91 dB
  • Authorized Internet Dealer
  • MFR #: REF307F
  • 1-year Manufacturer's Warranty

  • Priced Per Pair

Metra 72-5500

Install New Speakers in select 1990-1997 Mustang and Aerostar and Capri
Quantity: 3

Product Features:

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 1994 Cadillac DeVille is not compatible. Change vehicle or See list of compatible similar products


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Specifications & Details


General specifications
Series
Reference Series
Total PEAK Per Pair/Set
150 watts
Total RMS Per Pair/Set
50 watts
Front speaker specifications
Speaker Size
3-1/2"
Design
2-way Coaxial
Tweeter Design
Balanced Dome
Tweeter Composition
Textile
Woofer Composition
Polypropylene
Woofer Surround
Rubber
Sensitivity
91 dB
Frequency Response
85 - 21000 Hz
Impedance (Per Voice Coil)
3 ohm
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

86-93-FORD-MUSTANG-S-INF

Weight:

10.78lbs

Internal SKU:

86-93-ford-mustang-s-inf

Internal Product ID:

207640

Customer Ratings & Reviews


Infinity Reference Series Factory Speaker Replacement Package thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Photos & Videos


Customer Reviews

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Perfect fit

The following review is for REF307F, which is a part of the bundle you are viewing.

I couldn’t hear my stock 3.5 speaker at all so I upgraded to the infinity and the sound is so pure and clear

By Jose on June 28, 2024 Checkmark Icon Verified purchase
2022 Toyota Tundra

10 found this helpful


Sound Wonderful. Excellence as expected from infinity. Got mine on a SKAR 75.4 amp. They rock. Solid bass and crystal clear highs.

The following review is for REF687F, which is a part of the bundle you are viewing.

Best sounding 6X8's I've ever owned. I have them paired two a Kenwood excelon 795bh receiver and there very loud. Very punchy in the midrange and exceptional Bass. Infinity The name says it All.....

By Shannon on May 23, 2025 Checkmark Icon Verified purchase
2003 Ford F-150

1 found this helpful


Sounds amazing

The following review is for REF307F, which is a part of the bundle you are viewing.

I had a faulty stock speaker in my Mustang Mach E and this replacement is just what the Dr ordered. Perfect fit and super easy install.

By J on April 30, 2025 Checkmark Icon Verified purchase
2022 Ford Mustang Mach-E

1 found this helpful


The following review is for REF307F, which is a part of the bundle you are viewing.

Sound way clearer and better then the stock ones that were in my truck. Could see a big difference in weight too, and how much bigger the magnet was from the stock ones ????????

By Jonathan on January 31, 2025 Checkmark Icon Verified purchase
2009 Dodge Ram 1500

1 found this helpful


The following review is for REF307F, which is a part of the bundle you are viewing.
By kys on December 9, 2025 Checkmark Icon Verified purchase


The following review is for 72-5500, which is a part of the bundle you are viewing.
By Gary on January 13, 2025 Checkmark Icon Verified purchase


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
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Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.