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JBL GT6-6

6-3/4" 2-way car speakers

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Item# 109GT66 offer details

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JBL

Why replace your car's original speakers?

The speakers that originally came in your car were made from inexpensive materials, designed to create acceptable sound at the lowest possible cost to the manufacturer. If you love music, you deserve better. Name-brand aftermarket speakers deliver fuller, richer sound with considerably more detail and nuance, and they're capable of playing louder and cleaner than factory speakers. Connect new speakers to your factory radio and you'll get the best possible sound from your dealer-equipped system. Pair them up with a new car stereo for a level of enjoyment that can rival a high-fidelity home audio experience.

Our take on the JBL GT6-6

by Ken Nail

If you want speakers that'll make the most out of the power they're given, JBL's GT6 Series speakers are a smart way to go. They're sensitive enough to perk up the sound of a factory radio, but tough enough to handle an outboard amplifier too. These JBLs will impress you with their powerful bass, clear highs, and strong output.

Oversized cones, powerful tweeters
The GT6-6 2-way speakers employ 6-1/2" Plus One polypropylene woofer cones — with 30% more surface area than most other 6-3/4" speakers — to dish out the lows with accuracy and strength. The vented motor design keeps the speaker cool and operating efficiently when you've got the volume cranked. Each 1" titanium-laminate tweeter projects highs that'll sparkle over the sound of road and wind noise.

Highlights:

  • 2-way 6-3/4" speakers (pair)
  • Plus One design polypropylene woofer
  • foam surround
  • titanium laminate tweeter
  • grilles with magnetic JBL badges included
  • power handling: 2-45 watts RMS (135 watts peak power)
  • frequency response: 55-20,000 Hz
  • sensitivity: 93 dB
  • depth: 2-7/16"
  • warranty: 1 year
  • Our 60-day money-back guarantee
 

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs

Features and Specs
General
Design
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2-way
Tweeter Design
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Dome
Tweeter Composition
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Titanium Laminate
Woofer Composition
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Polypropylene
Woofer Surround
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Foam
Parts Warranty
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1 Year
Labor Warranty
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1 Year
Specifications
Sensitivity
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93 dB at 2.83 volts
Frequency Response
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55 - 20k Hz
RMS Power Range (Watts)
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2-45
Peak Power Handling (Watts)
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135
Impedance (Ohms)
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4
Top-mount Depth (Inches)
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2 7/16
Bottom-mount Depth (Inches)
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N/A
Cutout Diameter or Length (inches)
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5 11/16

Product Research

Product Research
What's in the box?

Download owner's manual

  • Two 6-3/4" Two-way speakers
  • 2 Grilles
  • 2 Grille frames
  • 2 Magnetic JBL grille badges (installed)
  • 2 Pieces of 2-sided tape
  • Installation manual

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 open the box, verify contents, 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.

Features

Plus One Woofer Cones: Each speaker uses a larger cone 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.

Mounting: JBL refers to the GT6-6 as a 6-1/2" speaker. The 5.63" cutout diameter, however, fits the industry standard for a 6-3/4" speaker. Please confirm fit using the Crutchfield Vehicle Selector before purchasing.

Titanium Laminate Diaphragm Tweeters: Each speaker uses a titanium laminate diaphragm tweeter for fast transient highs with lower distortion.

 

Product Reviews

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Reviews for the JBL GT6-6

Average Customer Review:

29 people say:

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Showing: 1-20 of 29
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5 out of 5

JBL GT6-6

Written By PaulW, Guilford,IN on Sunday, May 12, 2013
Crutchfield Customer Review (What's this?)
 
Speakers sound great and wire hook up was easy. Speakers were 1/4 inch smaller in diametr and need to slightly improvise. Works fine.
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5 out of 5

Great sound for the money

Written By Anonymous, Rochester, mn on Wednesday, May 01, 2013
Installed in a 1996 Jeep Grand Cherokee
Crutchfield Customer Review (What's this?)
 
The speakers fit great in my sons 96 Jeep Grand Cherokee. Fit the openings perfect just had to drill new holes for the screws, no big deal. They sound great with the Alpine deck, they are tight but could use a little more bass, but they sound great for the price!
Pros:
Overall sound is great, nice and tight.
Cons:
A little short on the deep bass.
Was this review helpful?    Yes | No
 
4 out of 5

Great sound

Written By Magickis33, Pittsburgh,PA on Tuesday, April 16, 2013
Installed in a 2001 Toyota Sienna
Crutchfield Customer Review (What's this?)
 
These are not the best speakers available but for the money they sound great and have good mid range that I like.
Pros:
Trusted brand, great sound
Cons:
bass is not as good as the rest of the sound profile.
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5 out of 5

JBL GT6-6

Written By Tim D, Mountain Home, AR on Friday, April 05, 2013
Installed in a 2002 Chevrolet Suburban
Crutchfield Customer Review (What's this?)
 
Great sounding speakers at a great price
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5 out of 5

Great speakers for the price

Written By Michael, Hallsville, TX on Friday, March 29, 2013
Installed in a 2008 Chevrolet Silverado
Crutchfield Customer Review (What's this?)
 
Speakers sound great in my Chevy 1500. Factory stereo pushes them well. Only noticeable difference from factory speakers is a little bit tighter bass. Only issue I had was one of the speakers wires that goes to the voice coil were touching and shorting out. I separated them with a screwdriver and haven't had an issue since. The bracket for the Chevy worked great just wished they would have supplied screws to mount the speaker to the adapter. After reading other reviews I added some weather stripping tape between the bracket and the door panel to keep it nice and tight.
Pros:
Great sound for a factory stereo
Cons:
Terminal wires touching
Was this review helpful?    Yes | No
 
5 out of 5

Fantastic upgrade!

Written By Ben, Lenexa, KS on Friday, March 29, 2013
Crutchfield Customer Review (What's this?)
 
These speakers were a fantastic upgrade from my factory speakers. The bass is much more full. I really notice better sound quality in the midrange. Much more crisp.
Pros:
Fuller bass, crisper mids and highs. Installation in my Silverado was super easy with the supplied bracket.
Cons:
None so far.
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5 out of 5

1996 Grand Cherokee

Written By Chester, Chicago,IL on Tuesday, March 19, 2013
Installed in a 1996 Jeep Grand Cherokee
Crutchfield Customer Review (What's this?)
 
I recently purchased A pair of JBL GT6-6 speaker for the front of my truck. The sounded kind of good but the rear needed to be replaced as well. So i purchased another set. They all installed very quickly and easily. I already know a little about stereos and installation. But Crutchfield also included panel removal, stereo and speaker removal instructions and free speaker wiring harnesses. The service level is great from Crutchfield my stereo sounds so good now. 10 times better. eventually i will use Crutchfield prouducts again to upgrade to an amp and subwoofer. Thanks Crutchfield!
Pros:
The speakers fitment was well with little alteration. I only had to re-drill mounting holes.
Cons:
Compared to what my system sounded like. I have no complaints
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5 out of 5

Totally Satisfied

Written By Ben, Hansville,Wa on Monday, October 15, 2012
Crutchfield Customer Review (What's this?)
 
These speakers were exactly as advertised. Great sound at a reasonable price. They fit my Grand Cherokee speaker holes as promised and only required drilling of new holes. Piece of cake. It took more time to remove the door panels than mount the speakers and hook up with supplied wire harness adapter. I have purchased several items over the years and can't say enough about Crutchfield's products and service. I price checked these speakers elswhere online and couldn't find a better price, but even if I had I would have purchased here due to customer support and ease of installation with instructions and wiring adapters supplied at no extra charge! I even saved a few bucks by purchasing from "scratch and dent", which meant the corner of the cardboard box was wrinkled, that's it!
Pros:
Awesome sound with clear crisp highs and good base response. With an older Pioneer Super Tuner 111 driving 4 of these door speakers, its all the sound these middle age ears want and more!
Cons:
Zero
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4 out of 5

jbl gt6-6

Written By Jake K, virginia on Tuesday, September 11, 2012
Installed in a 2002 Pontiac Firebird
Crutchfield Customer Review (What's this?)
 
Good speakers for the money, rockford fosgate is always my first choice but if you cant afford them get these. Great highs with decent bass for a door speaker.

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4 out of 5

Great sounding speakers

Written By Salvador, Long beach on Monday, September 10, 2012
 
Great sounding speakers. They capture the highs really well, i dont know about lows since i have a subwoofer but all together great quality for the price. My only complaint is the mounting hole dont look the same as in the display photo. They have 4 small handles that stick out which made them a little difficult to mount in my 2001 civic door. They fit better in my rear deck
Pros:
Great sounding, good quality
Cons:
Mounting not the same as photo
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4 out of 5

Love them! Great product!

Written By Happy Costumer!, Garland TX on Saturday, September 08, 2012
Installed in a 1999 Nissan Maxima
Crutchfield Customer Review (What's this?)
 
Great product for the money! Sounds awesome!
Pros:
Great sound
Cons:
Bass could be better
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3 out of 5

Medium quality speaker

Written By Sri, Suffield, CT on Saturday, September 01, 2012
Crutchfield Customer Review (What's this?)
 
Better than stock speakers but not top quality. The speaker is not very heavy. I also ordered polk 650s which was far superior than JBL. Speakers did not fit in correctly on the mounting brackets.
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5 out of 5

Very Impressed

Written By RSOBS, Cleveland, OH on Monday, August 13, 2012
 
Really impressed. Crutchfield associated talked me into these as a match for a JVC double-din head unit. I've owned lots of car speakers, but these rank among the very best I've ever owned. For the price, unbelievable value with my head unit.
Pros:
Super sound, imaging, not overly bright. Great midrange.
Cons:
Probably not as much bass as one would expect with a larger speaker, but adequate for sure.
1 out of 1 people found this helpful
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4 out of 5

Upgrade speakers for 97 Camaro convertible

Written By David, St. Charles, MO on Tuesday, August 07, 2012
Installed in a 1997 Chevrolet Camaro
Crutchfield Customer Review (What's this?)
 
I was looking to upgrade the factory speakers in my 97 Camaro convertible and found these JBL GT6-6 speakers to be a good value. I've already got some JBL home speakers that have sounded great for years, so I decided to go with these instead of trying another brand. Of course, the JBLs sound much better than the original speakers. I installed this pair in the doors without any problems at all. I'm considering getting another set for the rear panels, after I make sure that they will fit. There's less mounting depth available there because of the convertible top linkage.
Pros:
Easy installation, perfect replacement for the factory speakers.
Cons:
Decent bass, but not a thumper.
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5 out of 5

Good speakers

Written By Paul, Disputanta, VA on Tuesday, June 26, 2012
Crutchfield Customer Review (What's this?)
 
Very good speakers for the price. I installed two sets of these in my crappy mk3 jetta a while back with a jvc stereo and loved it. I would add a low wattage 4 way amp (45 rms x 4 would be best) to get the best clarity out of louder volumes. Unfortunately after spending a total of around $500 on my sound system im selling my jetta and I got a 2007 tacoma standard cab.... I intend on going all out on the sound system for my new truck!
Pros:
Great price, very clear sound, good enough bass
Cons:
none
1 out of 1 people found this helpful
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5 out of 5

Awesome upgrade

Written By Anonymous, Archer, FL on Sunday, May 27, 2012
Installed in a 1998 Chevrolet Tahoe
Crutchfield Customer Review (What's this?)
 
Great bass, excellent replacement for my Chevy stock speakers.
Pros:
Fit right, the first time.
Cons:
None.
1 out of 1 people found this helpful
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4 out of 5

Great sound and efficiency, perfect upgrade for OEM system

Written By Coolbob, Oxford, MS on Friday, May 18, 2012
Installed in a 2012 Honda Ridgeline
Crutchfield Customer Review (What's this?)
 
Great sound and efficiency, perfect upgrade for OEM system. I installed four of these in my Honda Ridgeline and they are a huge improvement over the OEM door speakers.
Pros:
Price, efficiency, sound, value.
Cons:
No mounting hardware?! Seriously, not a single screw or anything!
2 out of 2 people found this helpful
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1 out of 5

Did not fit.

Written By Nigel, Ft. Worth,TX on Friday, May 18, 2012
Crutchfield Customer Review (What's this?)
 
Didn't fit my Highlander as advertised.
2 out of 8 people found this helpful
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5 out of 5

JBL GT6-6

Written By Herman C., Houston, Texas on Friday, April 06, 2012
Crutchfield Customer Review (What's this?)
 
Excellent bold low frequency sound and good mid to high. This 6 3/4" rear door speaker had to compliment high quality 6x9 front door speakers in a 2003 Jeep Grand Cherokee and they completely passed the test. They gave a clean bold presence from the rear to match the larger front speakers. I was completely satified with their sound quality. Thanks goes to the Cruthfield rep for making this suggestion to me, it was great decision. I now have the best sound in my car I've ever experienced.
Pros:
Top quality speaker with great sound reprodution and a bold clean bass response.
Cons:
None
1 out of 1 people found this helpful
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5 out of 5

JBL GT6-6 in a Honda Ridgeline

Written By Heli ATP, NE PA on Tuesday, April 03, 2012
Crutchfield Customer Review (What's this?)
 
Excellent improvement over stock speakers. Very clear sound and louder volume at same setting than stock setup. Now I've got some bass!
Pros:
Good fit for Hone Ridgeline.
Cons:
Scosche SAHR6 mounting rings don't work for Honda Ridgeline, had to order mdf rings.
2 out of 2 people found this helpful
Was this review helpful?    Yes | No
 
1-20 of 29 >>

Accessories

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Dynamat 10435 Xtreme Door Kit With four 12" x 36" sheets — covers two doors
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StreetWires 14-gauge Super Cable™ Speaker Wire Translucent blue jacket — priced per foot (Clear)
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StreetWires 16-gauge Super Cable™ Speaker Wire Blue jacket — priced per foot
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StreetWires 12-gauge Ultra Cable™ Speaker Wire Blue/copper jacket — priced per foot
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Stinger PRO Series 16-gauge Speaker Wire Black jacket — priced per foot
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XTC 6-3/4" Speaker Baffles Protect your speakers (4-1/2" depth)
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Boom Mat 6-3/4" Speaker Baffles Protect your speakers
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Metra Female Quick Slides An assortment of female quick slide connectors for connecting to speaker terminals
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Metra HWP-0001 10 black pan head screws and 10 speed clips
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Posi-Products™ Car Speaker Connectors 8 connectors for installing car speakers
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Bojo Trim Panel Tools Set of 6 plastic tools — helps remove interior and exterior trim and door panels
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Metra Crimp Tool and Connectors Package contains crimp tool and over 150 pieces
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Pro.Fit Wire Worm Installation tool helps route wiring through tight spaces
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S&G Wire Cutter/Stripper Tool Cuts and strips 12- to 22-gauge wire
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S&G Tool Aid 87615 Window and Door Clip Removal Tool
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S&G Tool Aid 87650 Door Trim and Panel Removal Tool
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DEI Heat Shrink Tubing Black 4-foot length (Assortment)
 
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Skewdriver Pro SPK4042 Ratcheting straight and offset screwdriver set with 40 bits (Skewdriver Pro with ratchet handle, pictured)
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Spec Tools SQR-200a Squeeze Wrench Narrow space ratchet kit with 18 sockets
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InstallCard: Speaker or Subwoofer Prepaid installation card — for one pair of speakers or a subwoofer
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Smart people protect with SquareTrade- The best warranty at the best price

SquareTrade Warranty
SquareTrade Warranty 3 Year Warranty
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In business since 1999, SquareTrade is the largest independent warranty provider in the U.S.

100% parts and labor - no deductibles

All mechanical and electrical failures covered, includes normal wear and tear.

Your item's repaired or the full item price returned withing 5 days

Runs concurrent with manufacturer's warranty

Rated 5-stars by consumers

For a more in-depth review and enhanced detailed information on the JBL GT6-6, please visit the Crutchfield website product page (/S-hf5Fh4B7uIo/p_109GT66/JBL-GT6-6.html ).

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6-3/4" 2-way car speakers
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Speaker Wire

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