Overview

Strong sound at a strong price

Bring on the big fun of being there live, but leave off the big price tag — that's the idea behind JBL's Concert Series car speakers. Their Concert 521F 5-1/4" coaxial speakers deliver a strong sound with a striking design, accented by JBL's "exclamation point" logo on the tweeter. And the speaker's patented Plus One™ structure extends the surface area of the polypropylene woofer cone to give you a better low-frequency experience.

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Strong sound at a strong price

A match for any system

These 3-ohm speakers are sensitive enough that you can power them with an aftermarket stereo, but you'll get even better results feeding them power from an outboard amp.

Grilles are not included; the factory grilles should be suitable for most applications.

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Product highlights:

5-1/4" 2-way speakers (pair)
polypropylene Plus One™ woofer cone
PEI dome tweeter
handles up to 40 watts RMS (120 watts peak power)
frequency response: 75-20,000 Hz
impedance: 3 ohms
sensitivity: 91 dB at 2.83V
top-mount depth: 1-13/16"
grilles not included
warranty: 1 year
Our 60-day money-back guarantee
MFR # SPKCON521FAM

What's in the box:

JBL 521F owner's manual

Two 2-Way speakers
Installation instructions
Template on box

Featured video:

Featured review

Installed these in the rear of a C5 Corvette. Original speakers were Bose. These seem to be a bit tighter in sound. The rear speakers in a C5 do not add much but I wanted a modern set rather than the 20 year old speakers. Installation was easy. No regrets.

Andrew from Hutchinson, MN

See all 83 reviews

Customer Q&A

I know I have a JBL speakers in my 03 Limited Highlander, but donâ??t know whether itâ??s a concert or a stadium type or whatever type of feature type it is. How can I tell?

Often the factory JBL systems won't state what type they are and unfortunately we don't have that information either. You may be able to get that information from a dealership.

Reviews

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JBL 521F reviews

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83 reviews

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Details

Researched by Crutchfield's Pat M.

Features & specs

General
Speaker Size	5 1/4
Design	2-way
Tweeter Design	Dome
Impedance (Ohms)	3
Tweeter Composition	PEI
Woofer Composition	Polypropylene
Woofer Surround	Rubber
Parts Warranty	1 Year
Labor Warranty	1 Year
Specifications
Sensitivity (1W at 1 meter)	N/A
Sensitivity at 2.83 volts	91
Frequency Response	75 - 20k Hz
Minimum RMS Wattage	---
Maximum RMS Wattage	40
Peak Power Handling (Watts)	120
Top-mount Depth (Inches)	1 13/16
Bottom-mount Depth (Inches)	N/A
Cutout Diameter or Length (inches)	4 7/16
Mounting Height (Inches)	0.313

The JBL 521F replaces these items:

Pioneer TS-G520

Product Research

Features

Plus One+ Woofer Cones: Each speaker uses a cone larger than other speakers of the same size. This is accomplished by using a unique basket design and hi-roll surround. The Plus One+ design offers greater bass output and an increase in efficiency.

High-Output Design: The 3Ω voice coil design compensates for the high in-line resistance of small gauge factory wiring, extracting more power from factory (or aftermarket) receivers. This results in clearer, richer sound for the listener.

The JBL 521F replaces these items

Pioneer TS-G520

G-Series 5-1/4" 2-way car speakers

144 reviews

injection molded polypropylene and mica-reinforced composite woofer cone with rubber-coated cloth surround
1-3/16" PET dome tweeter
handles up to 35 watts RMS (250 watts peak power)

Accessories

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Q&A

10 questions already asked

I just installed these JBL 5.25 Concert Series speakers into the dash on my '03 Caravan. The original factory speakers were only fastened by 2 screws, and of the 4 holes on the speakers, they don't line up with the factory holes. How do I make these fit, or should I return for another pair? Plus the other 4 speakers I purchased were jbl Club series, does that matter much? Thank you.

[ Patrick Jan 11, 2023 ]

1 answer

Our tech support team will be happy to review the installation to see if there is a means to make these speakers work. If not, our advisors will be happy to make another recommendation. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website.

[ Nemo Jan 11, 2023 ] Staff

Will the boss elite drive these ok ?

[ Doc Dec 30, 2022 ]

1 answer

Greetings Doc, and thank you for your question. The Boss stereos have as much amplification as most aftermarket stereos would have. The JBL speakers are some if not the most efficient speakers, but if you really want great sounding speakers, they should have more power from an external amplifier.

[ Thomas J. Dec 30, 2022 ] Staff

I know I have a JBL speakers in my 03 Limited Highlander, but donâ??t know whether itâ??s a concert or a stadium type or whatever type of feature type it is. How can I tell?

[ Freddie F Sep 18, 2022 ]

1 answer

Often the factory JBL systems won't state what type they are and unfortunately we don't have that information either. You may be able to get that information from a dealership.

[ Arielle Sep 19, 2022 ] Staff

Wait itâ??s saying it would fit my lower front door and my top corner ones do I have to bye 2 different ones or how ?

[ Juvenal Jul 20, 2022 ]

1 answer

Depending on your vehicle Juvenal, this JBL 521F Concert series 5 1/4" 2 way speaker may fit multiple locations. Since you only get a pair, you might have to buy multiples if you are replacing more than just the lower front door pair. If you are having issues online with our Vehicle guide or any of the package builders, you can always give us a call at 1-800-324-9695 and we can get you hooked up!

[ Bo Jul 20, 2022 ] Staff

is the cone around the outter ring of the speaker rubber ring or foam?

[ KHALID Apr 30, 2021 ]

I want these for my scion tc 2006 passe speakers, do i need to purchase a compatible connector?

[ Susiq Mar 31, 2021 ]

1 answer

We do offer speaker wiring harnesses that allow new speakers to be plugged into the stock wiring. The issue we face is that we do not have a mounting bracket to hold them into the stock locations. I recommend contacting an advisor by calling 1-800-324-9695 to get a recommendation on speakers that we can get mounted in it.

[ Paul Apr 15, 2021 ] Staff

Will the grill covers on my jeep sound bar fit these speakers?

[ Dubway Feb 03, 2021 ]

1 answer

Hmm. Let me think on that one awhile.

[ KYLE Feb 04, 2021 ]

Is an amp required for these speakers?

[ john Apr 21, 2020 ]

2 answers

I don't know about amp requirements. I just replaced my original speakers. JBL speakers working good.

[ Yevgeniy Apr 23, 2020 ]

No these speakers sounds great with a good radio.

[ Cam Apr 21, 2020 ]

Do I need an amp for these speakers?

[ john Apr 14, 2020 ]

4 answers

Not if you are replacing the head unit. If you are using the factory Chrysler unit you will need an amp.

[ MICHAEL T Apr 29, 2020 ]

I don't think you needed to unless you listen to really loud music. I just upgraded my Highlander with a 20 watts Alpine Apple CarPlay unit and 4 of the JBL Series 521F speakers and the sound just fantastic. It sounds very clear at a decent volume. I was about to install an additional amps unit but after listening to the new unit at a very high volume I think it would be more than I need. I hope that would help u with your questions.

[ Eric Apr 27, 2020 ]

[ Zachary St. Apr 27, 2020 ]

Yes, will not work properly with factory deck and amp, replace entire system if anything, speakers are great just the crossover gets messed up with OEM equipment

[ DON P Apr 27, 2020 ]

Do I need an amp for these speakers?

[ john Apr 14, 2020 ]

2 answers

Only if your stereo doesn't have the power output you need for the volume you want

[ David Apr 21, 2020 ]

You can definitely get better sound through an amp but most head units have power that drives these just fine

[ DANIEL Apr 21, 2020 ]

SHOW MORESHOW LESS