Rating Content :
GTO638 is rated 5.0 out of 5 by 1.
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Performance: JBL Header Total:: 26893140317016388 - 26893140542890388 = 225874 micro seconds
Performance: product-images:: 26893140545023388 - 26893140546385388 = 1362 micro seconds
Hit the road with the big, rich, detailed sound that makes JBL® products famous. The GTO638 deploys the serious bass of a Plus One® woofer cone and an edge-driven My-Ti™ super tweeter that produces extended high frequencies, just as the best home audio speakers do. In the GTO638, you’ll find attention to detail rarely given to car audio. And it’s a game-changer.

What's In The Box

  • (2) GTO638 speakers
  • (2) Mounting brackets
  • (2) Grilles
  • (2) Buffer for mounting bracket/grille
  • (4) Sets of speaker wire
  • (16) Screws
  • (1) Owner's Manual

Product Specs, Manuals & Compatibility

Compatible with TVs, Laptops, and Mobile devices
Manuals & Downloads
General Specifications
Type
Two-Way
Series
Grand Touring
Size
6-1/2
Audio Specifications
Nominal Impedance
2 ohms
Sensitivity
(2.83V@1m) 92dB
Power Handling (RMS)
60W
Frequency Response
50Hz – 21kHz
Power Handling (Peak)
180W
Dimensions
External Diameter (in)
6-1/4
External Diameter (mm)
159
Mounting Cutout Diameter (in)
5-1/4
Mounting Cutout Diameter (mm)
133
Mounting Depth (in)
2-1/16
Mounting Depth (mm)
52
Warranty
USA Warranty Length
1 Year Warranty
Product Features
Patented Plus One® woofer cone
Our proprietary Plus One® woofer cone (patent number 7,548,631) is exceptionally stiff and lightweight and has up to 25 percent more active surface area than you’ll ever find on competing models of the same size. It delivers an audible increase in bass output and efficiency.
Home theater-quality tweeter
The GTO683 has a high-bandwidth, edge-driven textile-dome tweeter with a large voice coil, just as high-end home audio loudspeakers do. The tweeter’s My-Ti™ (a proprietary Mylar®-titanium blend) alloy delivers great power handling, extended high frequencies and seamless integration with the woofer.
True sound from built-in crossover network
By using a built-in crossover network with advanced high-pass and low-pass filters, the GTO638 creates a smooth transition between the woofer and tweeter. The result? Midrange vocals that sound so natural and lifelike, you’d think the vocalist was sitting in the passenger seat.
Easy, patented Intermount III mounting system
The Intermount III (patent number 6,505,705) system makes installation easy. Using its JBL® installation rings (included), you can fit the GTO638 into factory-built installation locations varying from 6 to 6-3/4 inches. It even simplifies the replacing of aftermarket speakers.
Can be safely driven by any head unit
The GTO638 is compatible with aftermarket head units and factory-installed systems. Designed to replace factory-installed OEM (original-equipment manufacturer) speakers, the GTO638 is easily installed into nearly any factory-built 6-1/2-inch location – and doing it won’t require special tools or modifications.
Genuine 4-ohm performance
For the most powerful performance, the GTO638 makes the best use of any amplifier by providing an optimum 2-ohm load. It uses a lower-impedance voice coil than a typical speaker to extract the most power and performance possible from all amplifiers engineered to drive loads of 4 ohms or less.
Outstanding audio output
This muscular speaker offers 180 watts of peak power. Hit the gas and have fun.
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Performance: features:: 26893140546599388 - 26893140565530388 = 18931 micro seconds
Performance: reviews:: 26893140570781388 - 26893140579549388 = 8768 micro seconds

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GTO638 - 180-watt, three-way, 6-1/2
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Item #: GTO638

GTO638

Signature JBL concert-quality sound in your car.
$129.95 per pair
Availability: In-stock and ready to ship.
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Performance: details:: 26893140592078388 - 26893140638556388 = 46478 micro seconds
Performance: PDP Total:: 26893140313662388 - 26893140644817388 = 331155 micro seconds