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JBL GTO938- open box

200W 6x9" 3-Way Grand Touring GTO Series Coaxial Speakers w/ Titanium-Mylar Tweeters

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JBL GTO938- open box

200W 6x9" 3-Way Grand Touring GTO Series Coaxial Speakers w/ Titanium-Mylar Tweeters


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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.


Car Stereo and Speaker Installation Tool Kit

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


NVX SDSK2 Speaker Kit

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



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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.

Tweeter-Level Adjustment with Unipoint:

The tweeters on the GTO series speakers are an excellent example of JBL's advanced technology. Made from My/Ti (Mylar and Titanium composite), the tweeters offer a higher power handling, greater efficiency, and reduced distortion. To direct that sound where you want, JBL has designed a Unipoint rotating tweeter pod that allows the tweeter to be directed towards the listener. This results is better imaging and a more accurate sound stage. To top of the tweeter technology, JBL engineered a tweeter-level control switch that adjusts the tweeter dB output. This allows for more sound adjustments after the speaker is installed.

The Sound of quality

Harman Tour

Sonic Electronix, one of the leaders in car audio, recently visited Harman, the premium global audio and infotainment group, at their research and development locations in Northridge, California and Detroit, Michigan. The purpose of these visits was to utilize and combine the powerful brand of Harman and the industry leading knowledge behind Sonic Electronix to begin working together on developing future car audio projects.


General Features:

  • 6" x 9" Grand Touring Series 3-way Car Speakers
  • Power Handling:
    • Peak: 600 watts per pair / 300 watts each
    • RMS: 200 watts per pair / 100 watts each
  • Plus One cone material
  • Mylar/titanium composite dome tweeters
  • Frequency response: 45-21,000 Hz
  • 2 ohms impedance
  • Sensitivity: 94 dB
  • Cutout dimensions: 6" x 8-3/4"
  • Top-mount depth: 3"
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Priced Per Pair

Speaker Specifications

This is the manufacturer product line of speakers.
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.
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" x 9"
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.
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.
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.

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.
300 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.
100 watts
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".
94 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).
45 - 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
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.
Cutout Dimensions
Refers to the dimensions of the hole, measured in inches or millimeters, required to contain the speaker.
6" x 8-3/4" 
Hi-Res Audio Compatible
This feature refers to if the product is capable of Hi-Res Audio (HRA) playback.
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.
Number of Speakers
This is the number of speaker that is included in the package. Each purchase will result in receiving the number of speakers indicated here. Please note that some items will have multiple woofers in the same enclosure. For sets of component speakers, this number will refer to the number of sets of speakers (For example, 2 would indicate the purchase includes 2 woofers and 2 tweeters).

Please refer to the product image and description for further details about the speaker.

Warranty and Return Policy

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

Summary of Customer Ratings & Reviews

Rating Distribution

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Average Attribution Rating

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 $36.99

Car Stereo and Speaker Installation Tool Kit

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

Your Price $20.99

NVX XTGSP2 Tone Generator and Speaker Polarity Tester

Perfect for safely troubleshooting and testing audio systems

Your Price $19.99

Belva Five Piece Installer's Panel Removal Tool Kit

Easily removes dash/trims, door clips, panels and pins, rubber grommets and vehicle emblems.

Your Price $15.99

Xscorpion WDCR2 Window and Door Clip Remover

Removes and installs handle and window crank clips.

Your Price $8.99

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 $7.99

Encore Universal Four Door Power Door Lock Kit

Add Power Door Locking and Unlocking while you have the Door Panels removed

Your Price $29.99

NVX SDSK2 Speaker Kit

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

Your Price $14.99

Stinger Roadkill Speaker Kit

Use this to eliminate rattle from your speakers!

Your Price $10.99

NVX Sound Dampening Rubber Roller

Install your Sound Dampening with ease using this heavy duty rubber roller!

Your Price $7.99

XTC 6" x 9" Foam Speaker Baffles

Compresses and forms to the shape of most installations and reduces panel vibrations.

Your Price $9.99

12-10 AWG Butt Connectors

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

Your Price $5.99

12-10 AWG Yellow T-Tap Adapters

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

Your Price $12.99

Sonic Sub Boxes 6X9_PANDA_BOX

6" x 9" Wedge Box (Priced Individually)

Your Price $14.99

Atrend 6X9PR

1 Pair of 6" X 9" Speaker Boxes Made with 3/4" Hardwood MDF

Your Price $24.95

Browse 10 questions and 72 answers
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Why did you choose this?
Sonic Electronix Store
Correct Impedance for car amp
GLENN S on Feb 11, 2017
good value and good quality
Cheryl K on Dec 23, 2016
looks like a good deal for JBL speakers
Jim D on Dec 25, 2016
Good quality product clean sound
Veronica B on Dec 4, 2016
Stupid question, is this price for each? or per pair?
A shopper on Sep 17, 2014
Best Answer: Hello,

Not a stupid question; the last line in the Description that says "Priced Per Pair" is often overlooked. Priced Per Pair, by the way.
Reply · Report · Customer SStaff on Sep 17, 2014
· Add Answer · I Have This Question Too (0)
thinking of replacing stock speakers on 2014 Tacoma with these in the front and GTO628 in the rear door.....I realized I will need adapters, how will this combination work running off factory head unit...not looking for really loud, but good quality sound?
mike h on Jul 14, 2015
Best Answer: Your sound will improve; however, you need a need a new head unit too for some really improved sound. I put these in the back of my 2001 Town Car and noticed a little difference. Since a factory radio does not have that much continual output power, I would recommend a JVC or a Kenwood unit. The rms power on these units is 22 watts with about 45 watts max. I replaced mine with a JVC and the difference is outstanding. I don't even need an amp or sub. The sound is great.
Reply · Report · Hugh W on Sep 27, 2015
· Add Answer · I Have This Question Too (0)
Will these speakers fit my 2012 ram 1500 big horn quad cab? I heard that front door mounting depth is less than 3" can anyone let me know I would greatly appreciate it
A shopper on Dec 1, 2015
Best Answer: I have them installed in my 2011 ram quad cab front doors without any spacers, they fit okay, and do not interfere with the windows. Also they sound great!!
Reply · Report · Joseph R on Jan 14, 2017
· Add Answer · I Have This Question Too (0)
I am looking for a good pair of 6x9s for the front doors of my Grand Caravan. I already own the amp and it's a RF P400-2 which pushes and underrated 100w at 4 ohms and 200w at 2 ohms. I was also looking at the newer model but the price of this one is far more accessible. Will this be a good match?
Andrew M on Aug 2, 2016
Rockford Fosgate P400-2
Rockford Fosgate P400-2
Best Answer: I think it would be a good match, I'm pushing around 90 watts to mine and they bump pretty good, also very clear, I will advise hitting the switch on the speaker to make the highs a little less piercing before you install them. They do hit lows pretty well so make sure they are very secure and well installed to get the full effect. But overall yes I think you'll be sending them enough power and they are a great speaker
Reply · Report · jared b on Aug 5, 2016
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Adding these GTO 938 to built Harley system using Rockford Fosgate PBR300.2 amp, 2 channel ,2ohm stable and Polk MM651 speakers. Trying to figure out how to wire 2 speakers per channel. 4 speakers total 2 per channel For 2 ohm amp? These speakers have only 2 connections on speaker, and the Polk has a 4 connection with a box then 2 connection to speaker input. Any help would be greatly appreciated. Thanks John
John W on Oct 24, 2015
Polk Audio MM651
Polk Audio MM651
Best Answer: Unfortunately your setup cannot be completed as you wish. Wiring two 2ohm speakers - like the GTO938 - will present a 1ohm load or a 4ohm load, which is fine, but your Polk Audio MM651 offer a completely different load, at 2.7ohms. Wiring the Polk Audio MM651s together will present a load Far different than that of the GTO speakers, this will stress the amplifier.

We suggest a separate 2-Channel amplifier for the second set of speakers.
Reply (1) · Report · Rick MStaff on Oct 28, 2015
· Add Answer · I Have This Question Too (0)
1 Review of this product says they fit great in a Toyota but needed adapter plates. Does anyone know where I can get the plates? I have a 07 Camry with JBL stereo and no navigation. Thanks!
Paul D on Feb 16, 2015
Best Answer: I don't have a toyota but if you run these on a amp the tweeters will cut out when you turn the volume up. I have two of these and two 10s on the JBL 3 channel amp. It sounds good but like I said the tweeters will cut out when you crank it.
Reply · Report · roger p on Feb 16, 2015
· Add Answer · I Have This Question Too (0)
What's a good amp for these?
A shopper on Nov 18, 2014
Best Answer: Hello,

The matching amp is the JBL GTO-804EZ. However, the RE Audio ZTX-800.4 , SKAR Audio LP-80.4AB , and NVX JAD800.4 will Also make for a FANTASTIC match up.
NVX JAD800.4
NVX JAD800.4
SKAR Audio LP-80.4AB
SKAR Audio LP-80.4AB
RE Audio ZTX-800.4
RE Audio ZTX-800.4
Reply · Report · Customer SStaff on Nov 19, 2014
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What adapter do I need for a pontiac g6 gt with monsoon system?
A shopper on Nov 4, 2016
· Add Answer · I Have This Question Too (0)
I plan to build my own speaker boxes for the JBL GTO938s. Does anyone know the recommended size/dimensions for this?
Dave G on Nov 20, 2014
· Add Answer · I Have This Question Too (0)

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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 GTO938- open box