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Infinity Primus PR6502is

6-1/2" 2-way car speakers

Item # 108P6502IS

Vehicle manufacturers don't put much thought into stock stereo systems, and it shows.

Find what Fits your car

Vehicle manufacturers don't put much thought into stock stereo systems, and it shows.

Discontinued item
6 questions - 11 answers

Item # 108P6502IS

About the Infinity Primus PR6502is

Enjoy your music again 

Vehicle manufacturers don't put much thought into stock stereo systems, and it shows. Uninspired vocals, muddy cymbals, and flabby bass are dead giveaways that you've got stock speakers. Install a set of Infinity's Primus PR6502is 6-1/2" speakers in your car and you'll notice a world of difference. Lifelike vocals, crisp cymbals, and well-defined bass await you, and cruising around town will be more enjoyable as you get pulled into your favorite tunes.
Infinity Primus PR6502is

Enjoy your music again 

Vehicle manufacturers don't put much thought into stock stereo systems, and it shows. Uninspired vocals, muddy cymbals, and flabby bass are dead giveaways that you've got stock speakers. Install a set of Infinity's Primus PR6502is 6-1/2" speakers in your car and you'll notice a world of difference. Lifelike vocals, crisp cymbals, and well-defined bass await you, and cruising around town will be more enjoyable as you get pulled into your favorite tunes.

Built with home audio know-how

Infinity used technology from their popular Primus home speakers to design car speakers that offer strong performance without breaking the bank. A 3/4" edge-driven, textile dome tweeter broadcasts smooth high frequencies while the oversized, Plus One+ polypropylene woofer creates solid bass. The speakers' 3-ohm impedance safely draws extra power out of your factory radio, aftermarket stereo, or an external amplifier, so you'll get a little more punch from your system. Grilles are included.

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Product highlights:

  • 6-1/2" 2-way car speakers
  • Plus One+ polypropylene woofer cone with hi-roll rubber surround
  • 3/4" edge-driven, textile dome tweeter
  • 3-ohm impedance for extra power (compatible with virtually all factory or aftermarket car stereos)
  • power range: 5-70 watts RMS (280 watts peak power)
  • frequency response: 53-21,000 Hz
  • sensitivity: 93 dB
  • top-mount depth: 2-1/16"
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # PR6502is

What's in the box:

  • Two 2-way speakers
  • 2 Grilles
  • 2 Grille frames
  • Eight 1" Self-tapping screws
  • 8 Speed clips
  • 2 Adhesive backed foam gaskets
  • Template on box
  • Owner's manual (English/ Portuguese)

Customer reviews

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Infinity Primus PR6502is reviews

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174 reviews

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Crutchfield response

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More details on the Infinity Primus PR6502is

Pat M.

Features & specs

General
Speaker Size 6 1/2
Design 2-way
Tweeter Design 3/4" Balanced Dome
Impedance (Ohms) 3
Tweeter Composition Textile
Woofer Composition Poly
Woofer Surround Butyl Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity (1W at 1 meter) N/A
Sensitivity at 2.83 volts 93
Frequency Response 53 - 21k Hz
Minimum RMS Wattage 5
Maximum RMS Wattage 70
Peak Power Handling (Watts) 280
Top-mount Depth (Inches) 2 1/16
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 5 1/16
Mounting Height (Inches) 0.75

Product Research

Features

Plus One Woofer Cones: The Plus One speaker cones offer more surface area than other speakers that fit in the same size opening. This is accomplished by using a new basket design and hi-roll surround. The result is greater bass output and an increase in efficiency.

3-ohm Voice Coil: The Primus Series speakers feature 3-ohm voice coils to compensate for the high in-line resistance of small gauge factory wiring and extract every watt from the factory receiver, increasing overall system output and efficiency (relative to 4-ohm speakers). The speakers also benefit from increased power when you upgrade the wire and add aftermarket amplifiers capable of powering a 2-ohm load.

Power Handling: Although Infinity lists the continuous average RMS power handling as 70 watts, they also list the recommended power range as 5-125 watts RMS. We've opted to list the more conservative 70 watt RMS figure on the specifications page.

Mounting: Infinity markets these speakers as 6-1/2"; they will fit in standard 6-1/2" speaker openings (approximately 5" diameter), but they do not use the standard 6-1/2" speaker bolt pattern. In order to install them in standard 6-1/2" applications you must drill new screw holes. The speakers are easily installed in many standard 4-hole 6-3/4" applications with no modification.

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Customer Q&A

6 questions already asked

Q
Did anyone have trouble installing the speakers onto the adaptor brackets?
[ Albert  Jul 22, 2017 ]
1 answer
A
I've looked at all the information we have on them including where our technical support can list notes about it. I cannot find anything stating that there have been issues using this mount with those speakers. The only potential issue I can see is if there is not enough room in the speaker location to take the Infinity speakers. If our fit guide shows the Infinity's fitting, you should be fine. If not, you may want to speak with an advisor on 1-800-324-9695 to find out why they don't fit so you can determine if you can modify the location to make them fit. My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=101
[ Paul  Aug 03, 2017 ]  Staff
Q
Anyone install these in a F10 5 Series BMW? Hows the upgrade over stock? Plug n play??
[ ceelow21  May 17, 2017 ]
2 answers
A
They have been very popular speakers and get great reviews from customers on our website. You can see if they are a recommended fit and get the proper installation accessories for your vehicle by using the "Outfit My Car" application on our website: https://www.crutchfield.com/car/carselector.aspx?lp=%2fCar%2foutfitmycar%2fmycar.aspx I hope that helps. My Bio: https://www.crutchfield.com/Support/Bio.aspx?bio=5
[ Ryan  May 24, 2017 ]  Staff
A
I would not recommend these speakers on any car. They don not sound good with songs that have a lot of bass. I would not buy them again They are probably not as good as the base speaker in your F10 (5 series).
[ David  May 21, 2017 ]
Q
What are the following specs for enclosure design? Vas = ? Qts = ? Fs = ? Effective cone diameter = ? Driver displacement = ?
[ Marc  Sep 21, 2016 ]
1 answer
A
These Thiele Small parameters are a bit advanced for a Q/A place like this because these work together with others to help you design the best box for a woofer and gauge how well it will perform. The main ones to consider are Fs: resonate frequency of the speaker, Vas: the volume of air equal to the compliance (stiffness) of the speaker, and Qts: the total amount of mechanical and electrical loos of the speaker at the Fs. These help you determine how big to make the box, the shape of the box(helps determine the tuning frequency of the box), and gauge how loud it will play (how much power you need to run it for the desired volume level). There is calculators out there to help you design the best box for the woofer. Any further questions on this should be handled through an advisor that you can reach on 1-800-324-9695. HTH!My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=101
[ Paul  Sep 26, 2016 ]  Staff
Q
How is the over all Highs to Lows with these?
[ BananaHammock  Dec 19, 2015 ]
2 answers
A
For their size, these are incredible speakers. They are accurate and crisp. Use lots of batting in your enclosure as they can be a little harsh. I installed them in my travel trailer and they fill it up with music.
[ RICHARD A  Dec 20, 2015 ]
A
Overall, a decent speaker. Quality of sound is pretty good when compared to stock.
[ Michael  Dec 19, 2015 ]
Q
Are these speakers 2 or 4 ohms?
[ James  Jul 17, 2015 ]
1 answer
A
The speakers' 3-ohm impedance safely draws extra power out of your factory radio, aftermarket stereo, or an external amplifier, so you'll get a little more punch from your system.
[ Jeff  Jul 20, 2015 ]  Staff
Q
These seem very similar to the 6500IX, and I have heard those in person, how do these compare? I believe Reference and Primus are quite similar.
[ dfwilson  Mar 17, 2014 ]
4 answers
A
Sorry for the late reply. The reference are infinity's entry speaker level. Then it's the primus and then it's top which is kappa
[ vietstyle888  Sep 03, 2014 ]
A
I never heard the other but these sound great!!!!
[ KURTIS  Mar 19, 2014 ]
A
I personally own 3 pairs of the infinity primus and I think these are the best but I've never heard the other ones.
[ ALFONZO  Mar 18, 2014 ]
A
The Primus have good sound and quality especially if given the right equiptment such as an amp and after market radio system. Overall all i feel there an excellent set of speakers.
[ PATRIC R  Mar 18, 2014 ]
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