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JBL GT7-5C

GT7 Series 5-1/4" component speaker system

Item #: 109JBLG75C

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13 Reviews | 3 questions - 3 answers

Installation gear for most cars

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GT7-5C profile

The compact design of the GT7-5C woofer makes this system a fit for a wide variety of cars.

A cool upgrade

These GT7-5C component speakers from JBL have everything you want when shopping for a car speaker: an advanced design, quality materials, a cool look, and a practical price tag. But in the end, it's what they sound like that matters most, and true to their iconic heritage, these JBLs deliver.

How do they do it?

You'll gain a satisfying boost in sound quality from this component system, thanks to JBL's patented Plus One™ architecture, which expands the surface area of the polypropylene woofer for impressive bass. And the edge-driven dome tweeters handle a wider range in the high frequencies for more natural sound — vocals, in particular, benefit from a smoother transition from the midrange. The external crossovers direct the right frequencies to the each driver to ensure a balanced sound.

JBL built these GT7 speakers to handle up to 45 watts RMS, so they'll perform spectacularly with an aftermarket radio or amp, but with a design geared toward maximum efficiency, you'll get superior performance even from a factory radio. Grilles are included for a custom installation.

Installation note: You'll need a pair of our universal backstraps to install the tweeters in the factory locations.

Highlights:

  • component speaker system includes 2 woofers, 2 tweeters, and 2 external crossovers
  • 5-1/4" polypropylene Plus One™ woofer cone with foam surround
  • 1-13/16" edge-driven dome PEI tweeter
  • power range: 2-45 watts RMS (135 watts peak power)
  • frequency response: 65-20,000 Hz
  • sensitivity: 92 dB
  • woofer top-mount depth: 2-5/16"
  • grilles included
  • warranty: 1 year
  • Our 60-day money-back guarantee

Why install component speakers?

A component speaker system gives you the best possible performance from your car audio system. A system consists of separate woofers, tweeters, and crossovers, each designed to cover one specific range of frequencies. As separate components, the woofer can move freely to deliver more powerful performance, while the tweeter can be custom-mounted in a better spot up closer to your ears, revealing a whole new world of detail. Separate crossovers are far superior to the simple filters wired into full-range speakers, so the components work together for smoother, more focused sound.

JBL GT7-5C Reviews

Average Customer Review:

13 Reviews

Sounds good no bass

Written by: Tyler from denver, CO on January 28, 2016

2008 Subaru Legacy
Crutchfield Customer Review (What's this?)

I installed these in my 2008 Subaru Legacy and the tweeters sound good, but my only complaint is that I was expecting a lot more powerful bass. I would suggest getting a sub if you want more bass because these just don't produce it. The overall sound is very clear.

Pros: Good sound

Cons: Terrible bass

Pretty nice

Written by: Patrick from North Augusta,SC on January 12, 2016

2005 Ford F-150
Crutchfield Customer Review (What's this?)

Not bad. Very nice speakers. Very clear and about average midbass. Only reason it didn't get 5 stars, the "universal" adapter wasn't a perfect fit. The midrange speaker was suspended without any way to seal to the adapter bracket.

Pros: Reasonable price, good sound

Cons: Included bracket

Great Speakers

Written by: Dave from Kansas on December 20, 2015

1990 Volvo 740
Crutchfield Customer Review (What's this?)

Great sound from such small speakers. Replaced the stock ones in my 1990 740, they were all blown out. Huge difference in sound even with the factory radio, which will also be replaced soon.

Pros: Great sound Inexpensive Easy install

Cons: None really.

Solid little speakers for the price

Written by: Anonymous from Texas on December 18, 2015

2008 Honda CRV LX
Crutchfield Customer Review (What's this?)

My only complaint about these speakers, which should be a given considering their size, is lack of bass. Get a sub. I'm also not going to spend hundreds of dollars to soundproof my car. That said, this package did wonders for my CRV. I listen to a lot of podcasts and the dash-mounted tweeters made a massive difference. What used to be muddy and sometimes unintelligible is now crystal clear. With music I get great punch in the mid-bass. Kick drums and toms really jump out. Again, more actual bass is necessary, or at least some additional juice if you're just powering the speakers with your head unit. Installation was a snap. I'm pleased, especially considering the price.

Pros: Great highs. Punchy mids.

Cons: No bass.

Not great

Written by: Miguel Angel from PR on September 4, 2015

1999 Toyota Sienna
Crutchfield Customer Review (What's this?)

Sound not great Just good Lack of power

Pros: Size

Cons: Not enough power sound

JBL GT7-5C speakers

Written by: chongobongo from California on August 31, 2015

2014 Honda CRV
Crutchfield Customer Review (What's this?)

Speakers installed fine. Wiring diagram from mfr did not apply to my install. Bass response seems to be a little tighter, even tho factory speakers were slightly larger

Pros: Slight improvement on bass response. Maybe an add on amplifier would make a noticeable difference?

Cons: Tweeters that came with this component system sound shrill compared to old original factory tweeters. Included crossovers had virtually no effect, ended up leaving those out. Kept factory wiring as far as woofer, tweeter configuration. When wired according to factory sheet, tweeters have very little output, as if I didn't have them. Would not recommend this system. Maybe an add on amp is required to make an audible difference?

Fantastic

Written by: Pigpen from New York on June 26, 2015

1992 Dodge B Series
Crutchfield Customer Review (What's this?)

Do not hesitate to purchase these. They sound expensive.

Pros: Excellent clarity, very affordable, highly recommended.

Cons: None

JBL GT7-5C

Written by: superhawk996 from California on May 2, 2015

2014 Honda Accord
Crutchfield Customer Review (What's this?)

Very good sounding system of stock deck and not braking the bank.

Pros: Sounds great

Cons: None

WOW

Written by: Tyler from Nashville, TN on April 16, 2015

2010 Volkswagen Passat
Crutchfield Customer Review (What's this?)

These sound amazing!!! I would buy them again if I had to!!

Pros: Clean crisp sound with just the right amount of bass

Cons: N/A

Loud and Crisp

Written by: MicktheBass from Wisconsin on April 3, 2015

2002 Honda Civic SI
Crutchfield Customer Review (What's this?)

I chose this speaker primarily for the high sensitivity compared to its rivals of similar price. It did not disappoint. Very loud, crisp mids and highs akin to what you get in the high-end OEM systems of top-end German cars. I ran these without an amp and they could easily keep up with my subwoofer. They cannot compete in the low-end department with more expensive component speakers, but that should not be a concern for anyone who is powering components with an HU. If you want bass, get a sub. If you want clear and crisp mids and highs, get these and power them with whatever.

Pros: Very loud, even with little amplification Wonderful resolution across the mid and high ranges Small, easily hidden crossover

Cons: No speaker wire was included for connecting the tweeters to the crossover; my experience with Polk and Infinity is that those brands provide a length of pre-cut wire with terminals for wiring your tweets.

JBL GT7-5C

Written by: Anonymous from Goodland ks on April 3, 2015

Crutchfield Customer Review (What's this?)

Good stuff sounds good looks good easy instructions

Pros:

Cons:

JBL GT7-5C

Written by: Mini gets an update from Rhode Island on March 30, 2015

2009 MINI Cooper
Crutchfield Customer Review (What's this?)

Love the sound, easy install for the larger 5 1/4 cone. Smaller tweeter cone was a little fiddle, but I was prepared for it. Scosche brackets worked well. Now I just have to get the rear 6x9's replaced, but I am going to enjoy as is for a while Mini Cooper 2009 with stock stereo

Pros: Crutchfield directions were very good, and instant improvement to the sonic experience. Did a lot of online research before jumping in and all went swimmingly well. Thought the crossover might give me a fit, but was simple to attach and dial in. No change in the appearance of the interior.

Cons: Had to fab a bracket for the tweeter, but that went as advertised. Scosche does not seem to make little brackets. Just used some weatherstripping aluminum and tin snips.

JBL speakers

Written by: Anonymous from Chattanooga, TN on December 17, 2014

Crutchfield Customer Review (What's this?)

Great product for the price

Pros: Exact fit for application

Cons: None

Hands-on research

What's in the box?

Download owner's manual

  • 2 Woofers
  • 2 Tweeters (each with 6" wire attached)
  • 2 Crossovers
  • 2 Woofer grilles
  • 2 Surface mount tweeter housings
  • 2 Angled surface mount tweeter housings
  • Eight 1-1/8" Self-tapping Allen head screws
  • 3mm Allen head bit
  • 8 Speed clips
  • Four 1" Pan head self-tapping screws
  • Four 5/8" Flat head self-tapping screws
  • Four 3/8" Flat head self-tapping screws
  • Instruction manual

Product Research

Woofers
Tweeters
Crossovers

Woofers

Plus One Woofer Cones: The Plus One woofer 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.

Tweeters

Tweeters: The edge-driven dome tweeters are made of PEI (Poly-Ether-Imide). PEI is a polymer film, capable of producing a wide soundstage.

Tweeter Mounting Options: Using the supplied housings the tweeters can be surface mounted flat or surface mounted at an angle (no flush mount housing is included). Once mounted in the appropriate housing, the tweeters have these dimensions:

  Surface Mount Angled Surface Mount
Mounting Depth screw depth screw depth
Mounting Height 0.884" 1.844"
Cutout Diameter N/A N/A
Frame Diameter 1.8" 1.8" x 2.21"

Crossovers

Connections: The passive crossovers feature screw terminal inputs and outputs; they will accommodate bare wire or spade connectors up to 1/4" wide.

Tweeter Level: A switch in each crossover allows you to adjust the output level of the tweeter; choose 0 dB or +2 dB.

Mounting: Each crossover can be mounted using two of the included screws through two holes in the base.

Dimensions:

  • Length: 2.625"
  • Width: 1.825"
  • Height: 0.940"

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Customer Q&A

Crutchfield asked  
Why did you buy this?

love the sound I get from JBL really cool [ Daniel  Jan 22, 2016 ]
JBL has awesome sound with component speakers. [ ERNEST T  Dec 14, 2015 ]

3 questions already asked

For details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle. [ Krissy  Nov 29, 2015 ]  Staff
I forwarded your question to an Advisor and they responded with the following: These speakers are 4-ohm which means they will need more power than your factory speakers. I'd recommend reaching out to an Advisor by phone or chat to discuss. They can pull up your vehicle, see what options there are, and help you find the best match for your system. If you would like to discuss further you can contact an Advisor directly by phone (1-800-324-9695) or online chat. [ Krissy  Aug 04, 2015 ]  Staff
For details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle. [ Krissy  Oct 31, 2014 ]  Staff

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5-1/4" component speaker system

The JBL GTO509C offers these features:

edge-driven silk balanced dome tweeter for smoother, more natural highs

stronger carbon-injected woofer cone

power handling up to 75 watts RMS