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Infinity REF507F (INFSPKRF507FUS)

270W Peak (90W RMS) 5.25" Reference Series 2-Way Coaxial 3-ohm Speakers

Infinity
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Limited time!
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• 135 watts Peak Each, 45 watts RMS Each
• Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

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List price $139.95
Thanks , You Pay:
-21%

$109.95

/pair  with warranty
Starting at $10/mo or 4 payments of $28 Buy now, pay later and installment payment plans are offered by Afterpay and Affirm. Learn more

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Current Promotions (12 offers)


This offer cannot be combined with any other coupons or offers.

Infinity REF507F (INFSPKRF507FUS)

30% off


Priced separately $152 94

Promo Savings of $12 90

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This offer cannot be combined with any other coupons or offers.

Infinity REF507F (INFSPKRF507FUS)

30% off


Priced separately $175 94

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This offer cannot be combined with any other coupons or offers.

Infinity REF507F (INFSPKRF507FUS)

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This offer cannot be combined with any other coupons or offers.

Infinity REF507F (INFSPKRF507FUS)

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This offer cannot be combined with any other coupons or offers.

Infinity REF507F (INFSPKRF507FUS)

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This offer cannot be combined with any other coupons or offers.

Infinity REF507F (INFSPKRF507FUS)

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Infinity REF507F (INFSPKRF507FUS)

20% off


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Infinity REF507F (INFSPKRF507FUS)

30% off


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This offer cannot be combined with any other coupons or offers.

Infinity REF507F (INFSPKRF507FUS)

20% off


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Experience Better Sound with Easy to Install Speaker Baffles. This offer cannot be combined with any other coupons or offers.

Infinity REF507F (INFSPKRF507FUS)

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Priced separately $126 94

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Get 40% Off NVX SDSK2 Sound Dampening Speaker Kit with your Speaker purchase! Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.

Infinity REF507F (INFSPKRF507FUS)

40% off


Priced separately $124 94

Promo Savings of $6 00

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Description


Infinity brand icon

Authorized dealer


Infinity REF507F (INFSPKRF507FUS)

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 newly engineered baskets are optimized to fit most factory speaker locations. Available in a range of standard sizes, they’re the perfect upgrade from factory speakers.


Product Details:

  • 5-1/4" Reference Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 270 watts per pair / 135 watts each
    • RMS: 90 watts per pair / 45 watts each
  • Polypropylene cone material
  • Rubber speaker surround
  • 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: 1-15/16"
  • Cutout Dimensions: 4-1/2"
  • Impedance: 3 ohm
  • Frequency Response: 67 - 21000 Hz
  • Sensitivity: 92 dB
  • Authorized Internet Dealer
  • MFR #: REF507F
  • 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
5-1/4"
Design
2-way Coaxial
Tweeter Design
Edge Driven Dome
Tweeter Composition
Textile
Woofer Composition
Polypropylene
Woofer Surround
Rubber
Peak Power Handling
135 watts
RMS Power Handling
45 watts
Total PEAK Per Pair/Set
270 watts
Total RMS Per Pair/Set
90 watts
Sensitivity
92 dB
Frequency Response
67 - 21000 Hz
Impedance (Per Voice Coil)
3 ohm
Shallow Mount Installation
No
Top-Mount Depth (Mounting Depth)
1-15/16"
Cutout Dimensions
4-1/2"
CTA-2031 Compliant
No
General specifications
Marine Certified
No
Hi-Res Certified
No
Color
Black
Illumination
None
Speaker Grilles
No
Includes Damping Kit
without Damping Kit
Compatible vehicle types
Car/Truck/SUV/Van
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:

REF507F

Weight:

3.11lbs

Internal SKU:

ref507f

Internal Product ID:

202377

Customer Ratings & Reviews


Infinity REF507F (INFSPKRF507FUS) 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
4

Customer Reviews

Sort by:

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Sound Great

Still have stock radio, and they sound great. Installation was a bit rough, they did not line up with factory srew holes.

By Mark on May 4, 2025 Checkmark Icon Verified purchase

2 found this helpful




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

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