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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
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GTO328 - 75-watt, two-way, coaxial 3-1/2
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Item #: GTO328

GTO328

The drop-in speaker upgrade your dash is waiting for.
$79.95 per pair
Availability: In-stock and ready to ship.
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