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Performance: JBL Header Total:: 21360744869987805 - 21360745248802805 = 378815 micro seconds
Performance: product-images:: 21360745251576805 - 21360745253683805 = 2107 micro seconds
Imagine car audio so full of big boom, soundstage, and detail, you’ll want to flick your rear view mirror just to see what your passengers in the back think. The JBL® GTO528 includes JBL engineering triumphs like a Plus One® woofer cone, a My-Ti™ tweeter, Unipoint™ rotating tweeter, and tweeter-level control. Have a superior ride, just like that.

What's In The Box

  • (2) GTO528 5-1/4” two-way loudspeakers
  • (1) Owner's Manual

Product Specs, Manuals & Compatibility

Compatible with TVs, Laptops, and Mobile devices
Manuals & Downloads
General Specifications
Size
5-1/4"
Series
Grand Touring
Type
Two-Way
Audio Specifications
Power Handling (Peak)
135W
Sensitivity
(2.83V@1m) 91dB
Nominal Impedance
2 ohms
Frequency Response
65Hz–21kHz
Power Handling (RMS)
45W
Speaker Specifications
Low-Frequency Transducer
PlusOne® HCL™ honeycomb-laminate cone
Crossover Frequencies
Onboard
High-Frequency Transducer
25mm (1") edge-driven My-Ti™ dome, pivoting
Controls/Adjustments
HF cut: 0dB/-3dB
Dimensions
External Diameter (in)
5-1/8
External Diameter (mm)
130
Mounting Cutout Diameter (in)
4-3/4
Mounting Cutout Diameter (mm)
120
Mounting Depth (in)
2-1/4
Mounting Depth (mm)
58
Warranty
USA Warranty Length
1 Year Warranty
Product Features
Patented Plus One® woofer cones
The JBL-only Plus One® woofer cone (patent no 7,548,631 B2) is exceptionally stiff, lightweight and has up to 25 percent more active surface area than you’ll ever find on competing models of the same size. You get an audible increase in bass output and efficiency.
Increased power handling with My-Ti™ tweeters
My-Ti™ tweeters deliver increased power handling, reduced distortion and increased efficiency. A Mylar®/titanium composite dome makes way for open, smooth spacious sound and a seamless transition between the middle and high frequencies.
Optimal imaging with Unipoint™ rotating tweeter
Another JBL® feat of engineering: You can rotate the tweeter pod nearly 350 degrees to aim it at the listening position for better high-frequency response and optimal imaging.
JBL I-Mount™ for easy installation
I-Mount™ (patent no. 5,859,917) allows for more precise imaging and simplifies tweeter installation, with angle-, surface- or flush-mount options. It’s a tweeter mounting system that makes for one of the easiest and most versatile installations you’ve ever done.
Outstanding audio output
This speaker offers 45 watts RMS, 135 watts of peak power handling, 91dB sensitivity, 2 ohm impedance, and an accurate frequency response of 65Hz to 21kHz. Hit the gas and have fun.
Can be driven by any head unit
This JBL® Grand Touring™ Series speaker is designed to fit right into factory locations with little or no modification.
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Performance: features:: 21360745254197805 - 21360745280471805 = 26274 micro seconds
Performance: reviews:: 21360745286289805 - 21360745294957805 = 8668 micro seconds

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GTO528 - 135-watt, two-way, 5-1/4
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Item #: GTO528

GTO528

Signature JBL concert-quality sound in your car.
$99.95 per pair
Availability: In-stock and ready to ship.
Why buy direct from JBL.com?
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Performance: details:: 21360745306151805 - 21360745348482805 = 42331 micro seconds
Performance: PDP Total:: 21360744864747805 - 21360745356709805 = 491962 micro seconds