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Infinity Primus 603F + PR9613IS (PR9613ISAM)

300W Peak (100W RMS) 6.5” Primus Series 2-way 3-ohm + 340W Peak (180W RMS) 6x9" Primus Series 3-way 2.7-ohm Coaxial Car Speakers

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• 150 watts Peak Each, 50 watts RMS Each
• 1/2" Silk Edge-driven Dome tweeters
• Polypropylene cone material with Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 92 dB

Learn more about the pr603f_pr9613is

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This item has been discontinued


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Description


Infinity brand icon

Authorized dealer

Infinity Primus 603F (INFSPKPR603C)

300W Peak (100W RMS) 6.5” Primus Series 2 Way Coaxial 3-ohm Speakers
Quantity: 1

Product Details:

  • 6-1/2" Primus Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 300 watts per pair / 150 watts each
    • RMS: 100 watts per pair / 50 watts each
  • Polypropylene cone material with Plus One woofer cone architecture
  • Rubber speaker surround
  • 1/2" Silk Edge Driven Dome tweeters
  • Top-mount Depth: 1-5/16"
  • Cutout Dimensions: 5"
  • Impedance: 3 ohm
  • Frequency Response: 55 - 20000 Hz
  • Sensitivity: 92 dB
  • Authorized Internet Dealer
  • MFR #: PR603F
  • 1-year Manufacturer's Warranty

  • Priced Per Each Speaker

Infinity Primus PR9613IS (PR9613ISAM)

340W Peak (180W RMS) 6x9" Primus Series 3-Way Coaxial 2.7-ohm Car Speakers
Quantity: 1

Product Details:

  • 6" x 9" Primus Series 3-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 540 watts per pair / 270 watts each
    • RMS: 180 watts per pair / 90 watts each
  • Polypropylene cone material
  • Hi-Roll Rubber speaker surround
  • Textile Edge Driven Dome tweeters
  • Patented Plus One woofers
  • True 4-ohm architecture
  • Compatible with aftermarket car stereos
  • 1" High temperature voice coil
  • Top-mount Depth: 3-1/8"
  • Cutout Dimensions: 8-1/2 x 5-3/4 
  • Impedance: 2.7 ohm
  • Frequency Response: 46 - 21000 Hz
  • Sensitivity: 89 dB
  • Two speaker grilles included
  • MFR #: PR9613IS
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Per Pair


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Specifications & Details


Speaker Specifications
Series
Primus Series
Priced Per
Each Speaker
Number of Speakers
2
Speaker Size
6-1/2"
Design
2-way Coaxial
Tweeter Design
Edge-driven Dome
Tweeter Size
1/2"
Tweeter Composition
Silk
Woofer Composition
Polypropylene
Woofer Surround
Rubber
Peak Power Handling
150 watts
RMS Power Handling
50 watts
Total PEAK Per Pair/Set
300 watts
Total RMS Per Pair/Set
100 watts
Sensitivity
92 dB
Frequency Response
55 - 20,000 Hz
Impedance (Per Voice Coil)
3 ohm
Top-Mount Depth (Mounting Depth)
1-5/16"
Bottom-Mount Depth
2-1/2"
Cutout Dimensions
5"
General specifications
Hi-Res Certified
No
Color
Black
Includes Damping Kit
without Damping Kit
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Speakers
Mounting Brackets/Hardware
Speakers (2)
Mounting screws (8)
Mounting clips (8)
Speaker connection cables (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

PR603F_PR9613IS

Weight:

10.09lbs

Internal SKU:

pr603f_pr9613is

Internal Product ID:

206651

Customer Ratings & Reviews


Infinity Primus 603F + PR9613IS (PR9613ISAM) 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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Great sound!

The following review is for PR603F, which is a part of the bundle you are viewing.

Nice fit. Sound great with factory stereo. Can't wait to hear what they sound like with my new Alpine deck.

By Rudy on August 26, 2023 Checkmark Icon Verified purchase
2016 Jeep Wrangler Unlimited

36 found this helpful


Infinity

The following review is for PR9613IS, which is a part of the bundle you are viewing.

Nice clarity sounds good no complaints. I would recommend to purchase

By Anonymous on August 31, 2018 Checkmark Icon Verified purchase

37 found this helpful


It's Always Been Infinity

The following review is for PR9613IS, which is a part of the bundle you are viewing.

I installed these to replace some blown speakers I have in my 2013 Dodge Journey, the door speakers are powered by a mid level JL Audio 4 Channel rated at 400 Watts, these drivers being 2.5 ohms was what sold me because it allows me to get the most power without losing balance and fading by ohming speakers down. I am blown away with the power and crispness at all ranges, my first dive into car audio was some Infinity Reference 12 in subs, and I was blown away then, it's great to see they are still putting out amazing products. I highly would recommend. I also love the name your price, I got these at a darn good price.

By John on June 20, 2022 Checkmark Icon Verified purchase
2013 Dodge Journey

29 found this helpful


Huge improvement!!

The following review is for PR603F, which is a part of the bundle you are viewing.

These replaced the factory speakers in my Honda Accord. Since they are 3 ohm with a 92db sensitivity, I didn’t loose volume like you usually do when installing aftermarket speakers on the factory head unit. The clarity is a huge night and day difference. The tweeter ok these have a a built-in crossover on them, which makes the highs so crispy. It’s only a 6.5” so it doesn’t produce a ton of bass, but the overall spl is outstanding. If you have a sub, these things will compliment the bass so good. Give him a try, you’ll love them

By Anthony on July 31, 2024 Checkmark Icon Verified purchase
2017 Honda Accord

14 found this helpful


Good sound! Great price!

The following review is for PR603F, which is a part of the bundle you are viewing.
By Kirk on June 28, 2024 Checkmark Icon Verified purchase

12 found this helpful


The following review is for PR9613IS, which is a part of the bundle you are viewing.
By Gustavo on March 25, 2024 Checkmark Icon Verified purchase

7 found this helpful


Great for the price

The following review is for PR603F, which is a part of the bundle you are viewing.

Speakers are well built and sound great. Love the extra mid bass output.

By Jeff on August 26, 2024 Checkmark Icon Verified purchase
2017 Mitsubishi Outlander Sport

6 found this helpful


High quality sound with a lower price point

The following review is for PR603F, which is a part of the bundle you are viewing.

Incredible sound quality despite the lower price point. Great 2 way co axial for rear sound stage.

By Ring Ding Dong on September 25, 2025 Checkmark Icon Verified purchase
2006 Honda Civic

1 found this helpful


The following review is for PR603F, which is a part of the bundle you are viewing.
By Tommy on January 11, 2025 Checkmark Icon Verified purchase
2021 Kia Forte

1 found this helpful


The following review is for PR603F, which is a part of the bundle you are viewing.
By Mark on January 8, 2025 Checkmark Icon Verified purchase
2012 Honda Accord

1 found this helpful




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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.