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When you want to really enjoy your music and rich, live performance sound, the JBL GTO508C will turn your car into a performance venue. The GTO508C is home to an impressive list of JBL® audio breakthroughs, proprietary technology and patents: Plus One® woofer cones, My-Ti™ tweeters. I-Mount™ for easy installation, and a computer-optimized outboard component crossover network. Sound so good you might be tempted to charge admission.

What's In The Box

  • (2) GTO508C Midwoofers
  • (2) Tweeter brackets
  • (2) Caps screws for tweeter brackets
  • (2) Additional alternate tweeter encasements
  • (2) Additional alternate tweeter brackets
  • (2) Additional alternante bracket cap
  • (1) Owner's Manual
  • (2) Grilles
  • (2) Crossover units
  • (12) Screw clips
  • (2) Tweeters
  • (2) Small clip screws
  • (26) Screws
  • (2) Sets of speaker wire
  • (2) Tweeter encasements

Product Specs, Manuals & Compatibility

Compatible with TVs, Laptops, and Mobile devices
Manuals & Downloads
General Specifications
Series
Grand Touring
Size
5-1/4"
Type
Two-Way
Audio Specifications
Power Handling (Peak)
165W
Nominal Impedance
2 ohms
Sensitivity
(2.83V@1m) 91dB
Frequency Response
65Hz–21kHz
Power Handling (RMS)
55W
Speaker Specifications
Controls/Adjustments
HF cut: 0dB/-6dB
Crossover Frequencies
Outboard
Low-Frequency Transducer
PlusOne® HCL™ honeycomb-laiminate cone
High-Frequency Transducer
25mm (1") edge-driven My-Ti™ dome, pivoting
Dimensions
External Diameter Tweeter (in)
2
External Diameter Tweeter (mm)
50
External Diameter Woofer (in)
5-1/8
External Diameter Woofer (mm)
130
Mounting Cutout Diameter Tweeter (in)
1-7/8
Mounting Cutout Diameter Tweeter (mm)
47
Mounting Cutout Diameter Woofer (in)
4-3/4
Mounting Cutout Diameter Woofer (mm)
120
Mounting Depth Tweeter (in)
11/16
Mounting Depth Tweeter (mm)
17
Mounting Depth Woofer (in)
2-1/4
Mounting Depth Woofer (mm)
57
Warranty
USA Warranty Length
1 Year Warranty
Product Features
Patented Plus One® woofer cones
The JBL-only woofer cone, the Plus One® (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.
Computer-optimized outboard component crossover network
The GTO508C has a voice-matched outboard component crossover network to ensure optimum transition from the midwoofer to the midrange speaker and the tweeter. You get realistic, hear-every-detail sound.
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.
Accurate frequency response
With a frequency response of 65Hz to 21kHz, the GTO508C reproduces powerful, teeth-rattling bass tones and the highest highs without distortion.
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 system offers 55 watts RMS and 165 watts of peak power handling and 91dB sensitivity. Hit the gas and have fun.
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GTO508C - 165-watt, two-way, 5-1/4
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Item #: GTO508C

GTO508C

Signature JBL concert-quality sound in your car.
$199.95 per pair
Availability: In-stock and ready to ship.
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