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Infinity REF307F (2-Pairs, 4-Total)

300W Peak (100W RMS) 3.5" Reference Series 2-way 3-ohm Speakers (2-Pairs)

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• 75 watts Peak Each, 25 watts RMS Each
• 1/2" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Learn more about the ref307f_2
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List price $259.90
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$199.90

 with warranty
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Description


Infinity brand icon

Authorized dealer

Infinity REF307F (INFSPKRF307FUS)

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

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


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Specifications & Details


General Speaker Specifications
Series
Reference Series
Priced Per
2 Pairs (4 Speakers)
Number of Speakers
4
Design
2-way Coaxial
Tweeter Design
Balanced Dome
Tweeter Size
1/2"
Tweeter Composition
Textile
Woofer Composition
Polypropylene
Woofer Surround
Rubber
Total PEAK Per Pair/Set
150 watts
Total RMS Per Pair/Set
50 watts
Impedance (Per Voice Coil)
4 ohm
Shallow Mount Installation
No
Marine Certified
No
Speaker Grilles
No
First Speaker Pair Specifications
Speaker Size
3-1/2"
Peak Power Handling
75 watts
RMS Power Handling
25 watts
Sensitivity
91 dB
Frequency Response
85 - 21000 Hz
Top-Mount Depth (Mounting Depth)
1-7/16"
Cutout Dimensions
3"
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

REF307F_2

Weight:

3.60lbs

Internal SKU:

ref307f_2

Internal Product ID:

203609

Customer Ratings & Reviews


Infinity REF307F (2-Pairs, 4-Total) 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


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



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