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JBL GTO608C

6-1/2" 2-Way Grand Touring Series Component Car Speakers System

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List price $229.95

$84.99

with warranty

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Professional JBL Sound:

With the long history of professional audio equipment manufactured my JBL, it is no surprise that the Grand Touring Series (GTO) produce some of the finest sound available for car speakers. By integrating the majority of JBL's top car speaker technology, these speakers are able to effectively deliver truly stunning audio, while keeping the price affordable for everyone. For those that are looking for a quality car speaker that will not only sound great, but also keep more money in your pockets. Put your trust in JBL and these Grand Touring Series speakers.




JBL GTO939

General Features:

  • 6-1/2" Grand Touring Series 2-Way Car Component System
  • Power Handling:
    • Peak: 420 watts per set / 210 watts each side
    • RMS: 140 watts per set / 70 watts each side
  • Patent pending Plus One woofer cones
  • Mylar/titanium composite dome tweeters
  • Computer-optimized voice matched passive crossover
  • Sensitivity: 92 dB
  • 2 ohms impedance
  • Frequency response: 50-21,000 Hz
  • Top-mount depth: 2"
  • Cutout diameter: 5-1/16"
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Priced Per Complete Component System: 2 midwoofers, 2 tweeters and 2 crossover networks.

Product History:

JBL GTO609C thumbnail
(newest, current model)
JBL GTO608C thumbnail
(previous model, replaced by JBL GTO609C)
JBL GTO607C thumbnail
(previous model, replaced by JBL GTO608C)

Speaker Specifications

Series
This is the manufacturer product line of speakers.
GTO (JBL)
Priced Per
Car Speakers are typically sold in pairs so you will receive 2 speakers for each speaker purchase on speakers marked "Priced Per Pair". If a speaker is marked "Priced Per Each" then the speaker is sold individually and each purchase you make will result in 1 speaker. High-powered tweeters, midrange and full-range pro audio for car speakers are typically sold per each speaker.
Pair
Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
6-1/2"
Design
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
2-way Component System
Tweeter Design
Designs such as cone, dome, semi-dome, balanced dome, and whizzer are most popular. Cone tweeters are simple, efficient and typically are the most reasonably priced. Dome tweeters are used in most home speakers, and provide a smoother and more accurate sound. Semi-dome design is one with a dome placed inside a cone. A Balanced dome driver is a semi-dome with equal reproduction area given the cone and dome portions of the driver. A whizzer tweeter is a separate tweeter cone driven by the voice coil of the woofer.
Dome
Tweeter Composition
Materials such as polypropylene, silk, cloth, and paper are the most common, where as many more recent tweeters are now manufactured with composites such as Aluminum, Titanium, Mylar, and other materials.

PEI is an acronym for "Polyetherimide" which is an amorphous, amber transparent, high-performance thermoplastic.

Mylar/Titanium Hybrid
Woofer Composition
Lightweight woofer cone materials are essential for efficient operation. Poly cones produce exceptional sound and are sturdy against various changes in temperature. Paper cones are very efficient, and when treated for moisture resistance, will perform at a high level. Poly refers to polypropylene, which is thermoplastic or fibers that are polymers of propylene. IMPP refers to injection molded polypropylene, a commonly used process and material in speakers.
Plus One
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
210 watts
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
70 watts
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
 
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
92 dB
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
50 - 21,000 Hz
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
2 ohms
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.

Yes
Top-Mount Depth
The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.
2"
Cutout Dimensions
Refers to the dimensions of the hole, measured in inches or millimeters, required to contain the speaker.
5-1/16" x 5-1/16" 
Speaker Grilles
A grating or screen of metal or plastic bars or wires, mounted in front of a speaker as protection. If yes, the speakers will include matching speaker grilles. If no, there are no grilles included.
Yes

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
64%
4 Star
18%
3 Star
9%
2 Star
9%
1 Star
0%

Average Attribution Rating

Durability
4.6
Value
4.4
Features
4.5
Design
4.1
Usability
5.0

Mark

North Plainfield, NJ

Overall
Durability
Value
Features
Design
Usability

Way way more than I expected!

May 5, 2011

First I want to say I am very very pleased with these speakers. My main priority in a component speaker were the tweeters not being too bright. Most component crossover tweeter settings are 0, -2, -4 db. These are 0, -6 db so I said let me give them a try. I own a 2006 Honda Ridgeline. I added Dynamat Xtreme to my doors. Installed these and set the tweeter to -6db. I'm giving them 70 watts RMS @ 2ohms from an Eclispe EA4200. Absolutely amazing. The tweeters are not bright but what blows me away is the mid bass punch. Cover every hole possible with the dynamat and give these babies 70 watts and the mid bass punch will be there. They also will play very very loud without distortion. I love them!

2 of 2 found this helpful

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scavman

old forge pa

Overall
Durability
Value
Features
Design
Usability

JBL GTO 608C

February 18, 2014

this two piece speaker system works well. it is solid in construction and sound. I have the tweeter mounted high and they are bright in sound, crisp and not ringing. The bass and mids are tight and efficient. I used them on a stock Chevy 2011 Silverado cd player and they make such a difference that I am not changing the head unit...PS, I have dennon and B&W at home, so if the sound wasn't good, I would change in a heartbeat

0 of 0 found this helpful

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CN3809

DALLAS, TX

Overall
Durability
Value
Features
Design
Usability

JBL GTO608C

January 3, 2014

These are great speakers for the price that I paid for them..I put them in my 2006 chevy silverado and connected them to a rockford fosgate amp. They sound great at high volume with no distortion on vocals or mids. The only bad thing that ive encountered with these speakers is that the JBL cover is big and bulky and will not fit on my door panel. Overall JBL makes awesome vocal speakers and subwoofers.

0 of 0 found this helpful

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Chris

South Central, PA

Overall
Durability
Value
Features
Design
Usability

I Enjoy Them

November 4, 2013

I just installed these speakers today. I'm pretty new to the game and I paid $200 for them, which I think is very salty. They sound great, and everything I have is completely stock otherwise. (2006 Monte Carlo SS) They do sound slightly distorted if you crank up the bass, but then again they're not bass speakers. Once I'm done with the entire build I know they're gonna sound better, but for now I love them as is, just wish the price was lower.

0 of 0 found this helpful

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Bill

Palmdale, Ca

Overall
Durability
Value
Features
Design
Usability

Tweeters not so hot, but may be my fault.

October 21, 2012

At first I got a lot of distortion from these, I thought that was a combination of installing with adapters (factory were... small, 2002 Subaru Impreza) and the fact that I bought a cut rate POS 5 channel amp. I recently replaced the amp with a pair of JBL amps and wallah! Amazing difference. The tweeters are still fairly muted at low volumes, but at higher volumes I get MUCH better results. Unfortunately I don't feel like listening to my music at deafening levels all the time.

0 of 0 found this helpful

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charlie

merrillville, IN

Overall
Durability
Value
Features
Design
Usability

not a bad swap for stock speakers

June 13, 2012

Silverados speakers finally gave up. Wished I changed them sooner. Good full range. Have older Pioneer head unit and man what a difference. Still need a sub for lows. Still good bang for the buck.

0 of 0 found this helpful

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ELI

CHURCHS FERRY ND

Overall
Durability
Value
Features
Design
Usability

jbl gto 608c

January 18, 2012

Very sensitive, good bass, included x-over does not have a coil only a cap and resistors, this driver rolls over smoothly enough to not need it.

0 of 0 found this helpful

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Matt

Newark, DE

Overall
Durability
Value
Features
Design
Usability

Meh

November 18, 2011

I'm pretty disappointed with these speakers, even for their price. The high frequencies are always too harsh and bright, even at the -6db setting. They are advertised as mylar-titanium composite, but in reality they seem to be mylar with a titanium paint coating, which doesn't do much. The soldered wires on the tweeters break easily and are a pain to fix. The crossovers are really just filters in a box instead of inline. And the woofers handle bass so poorly it would be hilarious if it weren't so depressing to hear. That said the midrange is fairly decent, and they do produce a big soundstage. If you block pretty much all bass going to them they will get loud as well. Overall I can't say I'd recommend them, even at the price, unless you want a lot of harsh treble, no bass or even midbass to speak off, and want all that at high volumes. I'm replacing them with a set of Massive Audio components and hoping for some better results.

0 of 0 found this helpful

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jpmo82

Miami, FL

Overall
Durability
Value
Features
Design
Usability

mids, highs

March 13, 2011

Great materials and accessories for this price, speakers can produce great mids and highs but they really need a subwoofer to complete all ranges because cant produce a rich bass, however great for this price.

0 of 0 found this helpful

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Spanish Fly

Flowood, MS

Overall
Durability
Value
Features
Design
Usability

Great Fidelity and Clarity

May 21, 2010

Don't let the looks of this system fool you, the sound quality produced by this component set is excellent. The mids and highs are crystal clear, not overwhelming. I would definitely recommend purchasing these speakers, I was a little skeptical at first, I couldn't find any reviews and never known anyone with JBLs; however, I took the chance and do not regret it. I have owned MB Quartz and Dyneaudio in the past years, both of which I was please with, but I wanted to try something new and wanted to stay within budget. Don't hesitate, buy these speakers!!

0 of 0 found this helpful

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Alex

New Philadelphia , Ohio

Overall
Durability
Value
Features
Design
Usability

Sweet Speakers

November 28, 2009

These speakers are absolutely amazing. I would recommend these to anyone for the price.

0 of 0 found this helpful

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Accessory Tools and Products

Accessories added

NVX 25 ft. of True Spec 12 Gauge Speaker Wire

100% OFC wire with EnvyFlex metallic jacket insulates and protects against damage from extreme conditions.

Your Price $39.99

Streetwires 25 ft. of True Spec 12 Gauge Speaker Wire

You need speaker wire to connect your speakers!

Your Price $44.95

Belva 23 ft. of True Spec 12 Gauge Speaker Wire

100% Copper Clad Aluminum, high strand count with ultra-flexible PVC blended jacket for easy installation

Your Price $14.99

12-10 AWG Butt Connectors

These yellow butt connectors are ideal when connecting thicker speaker wire your new aftermarket speakers.

Your Price $6.99

12-10 AWG Yellow T-Tap Adapters

Allows for fast and easy splicing of wires by easily tapping into the cable.

Your Price $4.49

12-10 AWG Quick Disconnect Connectors

These yellow quick disconnect connectors make it easy to connect and disconnect speaker wire your to your new aftermarket speakers!

Your Price $6.99

NVX SDDK12 Door Kit

Eliminates speaker panel distortion and reduces door vibration, rattles and squeaks!

Your Price $49.99

Dynamat Xtreme Door Kit 10435

Enough sound dampening to cover most doors!

Your Price $69.95

Stinger Roadkill Door Kit

Use this to eliminate rattle from your doors!

Your Price $46.99

Car Stereo and Speaker Installation Tool Kit

Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more.

Your Price $12.99

Universal Wire Puller & Grabber

Running wires has never been easier! This wire puller allows you to run wires through those hard to reach places!

Your Price $6.99

Xscorpion WDCR2 Window and Door Clip Remover

Removes and installs handle and window crank clips.

Your Price $6.99

3 in 1 Wire Quick Splice T-Tap and Butt Connector Crimper + Wire Cutter

Used for cutting copper and aluminum wires up to 8 gauge.

Your Price $21.99

NVX SDRLR1 Sound Dampening Rubber Roller

Install your Sound Dampening with ease! This heavy duty rubber roller is designed specifically to install your NVX products!

Your Price $7.99

Speaker Baffles for your Speakers

Enhance the sound of your speakers with these easy to install speaker baffles.

Your Price $9.99

XTC 6-1/2" Round Large Frame, Shallow Foam Speaker Baffles

Creates a tight seal behind speaker for enhanced audio quality.

Your Price $12.99

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Product Summary

Manufacturer

Model Number

GTO608C

UPC

050036930406

Weight

7.00lbs

Internal SKU

gto608c

Internal Product ID

17714

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: JBL GTO608C