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JBL GT7-4

4" 2-Way GT7-Series Coaxial Car Audio Speakers

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List price $89.95

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$55.95

with warranty A Pair

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JBL GT7-4

4" 2-Way GT7-Series Coaxial Car Audio Speakers

$55.95

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Streetwires 50 ft. of True Spec 16 Gauge Speaker Wire

You need speaker wire to connect your speakers!

$29.99

Add
Car Stereo and Speaker Installation Tool Kit

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

$18.99

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NVX SDSK2 Speaker Kit

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

$12.99

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Bundles with this Product

FREE Installer's Panel Removal Kit with Purchase!

Get a FREE 5 piece Installer's Panel Removal Kit with the purchase of select speakers. Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.

11.99

89847

2123

JBL GT7-4

$55.95

+

100% OFF

Five Piece Installer's Panel Removal Tool Kit for Car Stereo/Audio (Belva BTK105)

$11.99

Special Price $0 ($11.99 if purchased separately)

Five Piece Installer's Panel Removal Tool Kit for Car Stereo/Audio (Belva BTK105)

• Five Piece Installer's Removal Tool Kit
• Durable Nylon Plastic

50% Off Speaker Installation Kit with Purchase!

Get everything that you need to optimize your JBL speaker installation with the Sonic Electronix Speaker Installation Kit. Premium NVX Sound Deadener and Scosche Stereo Tool Kit. Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.

17.17

89847

1205

JBL GT7-4

$55.95

+

50% OFF

NVX Speaker Installation Kit

$34.33

Special Price $17.16 ($34.33 if purchased separately)

NVX Speaker Installation Kit

• Everything You Need for a Smooth Speaker Install
• NVX SDSK2 Sound Dampening Speaker Kit
• Two 10" x 10" Pieces
• NVX SDRLR1 Sound Dampening Rubber Roller
• Scosche TK12 Complete Car Stereo Tool Kit
• Includes Wire Stripper/Cutter, Screwdriver, RCA Cable Runner, Panel Removal Tool, Test Light, and other Installtion Accessories

(Offer 1 of 2)

Combined Total Price

$55.95

You Save $11.99

JBL Audio Store


The Sound of quality

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:

  • 4" GT7 Series 2-Way Car Speakers
  • Power Handling:
    • Peak: 180 watts per pair / 90 watts each
    • RMS: 60 watts per pair / 30 watts each
  • Polypropylene Plus One™ cone
  • Foam surround
  • PEI balanced dome tweeter
  • 4 ohms impedance
  • Frequency Response: 75-20,000 Hz
  • Top-mount Depth: 2"
  • Sensitivity: 90dB
  • Grills included
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Priced Per Pair

Speaker Specifications

Series
This is the manufacturer product line of speakers.
GT7 (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.
4"
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
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.
Balanced 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.

PEI (Polyetherimide)
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.
Polypropylene
Woofer Surround
A speakers surround is part of the suspension system. The surround protects the cone and prevents it from being displaced as it flexes out from the basket. It is usually made of a durable material like treated foam or rubber in order to withstand the strenuous job of producing bass frequencies.
Rubber
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.
90 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.
30 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".
90 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).
75 - 20000 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.
4 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.
2"
Cutout Dimensions
Refers to the dimensions of the hole, measured in inches, required to contain the speaker.
3-5/8"
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
100%
4 Star
0%
3 Star
0%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
5.0
Value
5.0
Features
5.0
Design
5.0
Usability
5.0
Robin

Iola, KS

Overall
Durability
Value
Features
Design
Usability
Worked well.

November 9, 2015

Speakers fit & worked well in my Toyota Turbo All-Trac. Better sound than factory spkrs.

1 of 2 found this helpful

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Accessory Tools and Products

Accessories added

Streetwires 50 ft. of True Spec 16 Gauge Speaker Wire

You need speaker wire to connect your speakers!

Your Price $29.99

Belva 23 ft. of True Spec 16 Gauge Speaker Wire

100% Copper Clad Aluminum, PVC blended jacket for easy installation and high strand count for maximum audio quality

Your Price $12.99

Car Stereo and Speaker Installation Tool Kit

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

Your Price $18.99

NVX XTGSP2 Tone Generator and Speaker Polarity Tester

Perfect for safely troubleshooting and testing audio systems

Your Price $29.99

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 $11.99

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 $12.99

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 4" Round Foam Speaker Baffles

Creates a tight, acoustic seal behind the speaker to enhance the sound quality.

Your Price $7.24

16-14 AWG Butt Connectors

These blue butt connectors are ideal when connecting thicker speaker wire your new aftermarket speakers!

Your Price $4.49

16-14 AWG Blue T-Tap Adapters

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

Your Price $4.99

16-14 AWG Quick Disconnect Connectors

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

Your Price $13.26

Browse 1 question and 1 answer
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Why did you choose this?
Sonic Electronix Store
Recommendation from Sales associate
Erich S on Feb 23, 2015

Product Summary

Manufacturer

Model Number

GT7-4

UPC

050036322089

Weight

2.60lbs

Internal SKU

gt74

Internal Product ID

89847

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 GT7-4

  • JBL GT7 Series Speakers | CES 2014
  • Harman International: The Pursuit of Great Sound