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Infinity REF307F + REF697F

150W Peak (50W RMS) 3.5" 2-way 3-ohm + 600W Peak (200W RMS) 6x9" 2-way 4-ohm Reference Series Coaxial Car SpeakersSpeakers

Infinity
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• 75 watts Peak Each, 25 watts RMS Each
• 1/2" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 91 dB

Learn more about the ref307f_41dsc6934
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List price $299.90
Thanks , You Pay:
-20%

$239.90

/pair  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: 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

Infinity REF697F (INFSPKRF697FUS)

600W Peak (200W RMS) 6x9" Reference Series 2-Way Coaxial 4-ohm Speakers
Quantity: 1

Product Details:

  • 6" x 9" Reference Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 600 watts per pair / 300 watts each
    • RMS: 200 watts per pair / 100 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: 3-1/8"
  • Cutout Dimensions: 8-1/2 x 5-3/4 
  • Impedance: 3 ohm
  • Frequency Response: 46 - 20000 Hz
  • Sensitivity: 94 dB
  • Authorized Internet Dealer
  • MFR #: REF697F
  • 1-year Manufacturer's Warranty

  • Priced Per Pair


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Specifications & Details


Speaker Specifications
Series
Reference Series
Priced Per
Pair
Number of Speakers
2
Speaker Size
3-1/2"
Design
2-way Coaxial
Tweeter Design
Balanced Dome
Tweeter Size
1/2"
Tweeter Composition
Textile
Woofer Composition
Polypropylene
Woofer Surround
Rubber
Peak Power Handling
75 watts
RMS Power Handling
25 watts
Total PEAK Per Pair/Set
150 watts
Total RMS Per Pair/Set
50 watts
Sensitivity
91 dB
Frequency Response
85 - 21000 Hz
Impedance (Per Voice Coil)
3 ohm
Shallow Mount Installation
No
Top-Mount Depth (Mounting Depth)
1-7/16"
Cutout Dimensions
3"
General specifications
Hi-Res Certified
No
Color
Black
Illumination
None
Speaker Grilles
No
Includes Damping Kit
without Damping Kit
What is in the box?
Paperwork
User manual
WITB: Speakers
Foam Gasket
Speakers (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

REF307F_41DSC6934

Weight:

7.27lbs

Internal SKU:

ref307f_41dsc6934

Internal Product ID:

207734

Customer Ratings & Reviews


Infinity REF307F + REF697F thumbnail image

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



Durability
4.6
Value
4.8
Features
4.8
Design
4.8
Usability
4.8

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


Clean and loud!

The following review is for REF697F, which is a part of the bundle you are viewing.

Very easy install, these are a big upgrade from my factory 6x9s.

By Luke on March 7, 2026 Checkmark Icon Verified purchase
2021 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 REF697F, which is a part of the bundle you are viewing.
By jeff on November 23, 2024 Checkmark Icon Verified purchase
2013 Harley Davidson FLHX Street Glide

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


Sound Great

The following review is for REF697F, which is a part of the bundle you are viewing.

Did not line up exactly with factory screw holes.

By Mark on May 4, 2025 Checkmark Icon Verified purchase


2006 Dodge Ram 3500 5.9L MEGA CAB

The following review is for REF697F, which is a part of the bundle you are viewing.

These speaker are a very good fit for the front doors. I no problems installing them and the pigtails made it easier yet. They also have a good sound. Especially compared to the stock ones that buzzed.

By JAMES on March 26, 2025 Checkmark Icon Verified purchase


The following review is for REF697F, which is a part of the bundle you are viewing.
By Patrick on March 11, 2025 Checkmark Icon Verified purchase
2017 Chevrolet Colorado




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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
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.