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Performance: JBL Header Total:: 23619101199546805 - 23619101516953805 = 317407 micro seconds
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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® GTO328 includes JBL® engineering triumphs like a Plus One® woofer cone, a My-Ti™ tweeter and a Unipoint™ rotating tweeter mount. Have a superior ride, just like that.

What's In The Box

  • (2) GTO328 3-1/2” two-way loudspeakers
  • (1) Owner's Manual

Product Specs, Manuals & Compatibility

Compatible with TVs, Laptops, and Mobile devices
Manuals & Downloads
General Specifications
Type
Two-Way
Size
3-1/2
Series
Grand Touring
Audio Specifications
Sensitivity
(2.83V@1m) 89dB
Power Handling (Peak)
75W
Nominal Impedance
2 ohms
Power Handling (RMS)
25W
Frequency Response
90Hz–20kHz
Speaker Specifications
Crossover Frequencies
Onboard
High-Frequency Transducer
25mm (1") balanced-dome My-Ti™ dome
Controls/Adjustments
None
Low-Frequency Transducer
PlusOne® HCL™ honeycomb-laminate cone
Dimensions
External Diameter (in)
3-3/8
External Diameter (mm)
63
Mounting Cutout Diameter (in)
3-3/16
Mounting Cutout Diameter (mm)
80
Mounting Depth (in)
1-1/2
Mounting Depth (mm)
39
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 25 watts RMS, 75 watts of peak power handling, 89dB sensitivity, 2-ohm impedance and an accurate frequency response of 90Hz to 20kHz. 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:: 23619101520084805 - 23619101540239805 = 20155 micro seconds
Performance: reviews:: 23619101545213805 - 23619101557464805 = 12251 micro seconds

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GTO328 - 75-watt, two-way, coaxial 3-1/2
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Performance: dealer:: 23619101558213805 - 23619101561749805 = 3536 micro seconds
Item #: GTO328

GTO328

The drop-in speaker upgrade your dash is waiting for.
$79.95 per pair
Availability: Backordered and expected to ship on 10/15/2014
Why buy direct from JBL.com?
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Performance: details:: 23619101567041805 - 23619101615596805 = 48555 micro seconds
Performance: PDP Total:: 23619101197465805 - 23619101622071805 = 424606 micro seconds