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The JBL® GTO Series of high-fidelity automotive speakers feature innovative technologies that we’ve engineered for the environment and conditions in today’s cars to help them deliver exceptional sound. Using Plus One® (U.S. patent no. 7,548,631) woofer-cone technology and rugged construction materials such as carbon composite frames, butyl rubber surrounds and fabric tweeter diaphragms, plus UniPivot™ (U.S. patent no. 6,002,780) tweeter positioning on select coaxial models, and the I-Mount™ (U.S. patent no. 5,859,917) system for the tweeters in the component separates, GTO Series automotive speakers are the ideal upgrade for any car’s audio system.

What's In The Box

  • 2 GTO 629 loudspeakers
  • 2 protective grilles
  • 2 factory location mounting adapters
  • Owner’s/installation manual

Product Specs, Manuals & Compatibility

Compatible with TVs, Laptops, and Mobile devices
Manuals & Downloads
General Specifications
Type
Coaxial
Size
6-1/2"
Audio Specifications
Sensitivity
(2.83V/1m) 93dB
Frequency Response
53Hz-21kHz
Power Handling (Peak)
180W
Nominal Impedance
3 ohms
Power Handling (RMS)
5W-125W
Dimensions
External Diameter (in)
6-1/4
External Diameter (mm)
158
Mounting Cutout Diameter (in)
5-1/16
Mounting Cutout Diameter (mm)
129
Mounting Depth (in)
2
Mounting Depth (mm)
50
Warranty
USA Warranty Length
1 Year Warranty
Product Features
25 – 180 watts suggested amplifier power range
JBL engineers designed the GTO 629 coaxial speaker to produce strong, clear sound from a head-unit or amplifier capable of delivering up to 180 watts of power. This makes the GTO 629 an ideal match to systems powered with head-unit or factory-amplifier power levels. Even better, the speaker matches many of the GTO Series amplifier combinations. As a result, it can keep up with systems that feature one or more subwoofers. And its great power-handling specifications increase reliability over the lifetime of the speaker.
Patented Plus One woofer-cone technology
The GTO 629’s Plus One carbon-injected cones provide more overall speaker-cone area than other cones in its class. With an effective increase in cone area, the speaker radiates more air. Its carbon-injected cone material results in a lighter and stiffer cone. The result is better low-frequency response and less effort to produce those important musical notes that people often associate with larger speaker sizes.
Fiberglass-reinforced plastic (FRP) frames
The fiberglass-reinforced plastic (FRP) frames used in the GTO 629 6-1/2-inch (160-millimeter) speakers resist warping even when you mount them on uneven surfaces. Their nonmagnetic carbon composite helps to control the magnet’s energy and deliver it to the voice coil instead of wasting it as heat. What’s more, the plastic doesn’t resonate. The result of this control is accurate sound in your car.
Three-ohm voice coils
Three-ohm voice coils in GTO 629 speakers allow compensation for any added resistance by thin factory-installed speaker wiring. They also provide more output than factory-installed speakers of the same class.
Vented magnet assemblies
GTO 629 speakers feature vented magnet assemblies to cool the voice coil. Keeping the voice coil cool adds to increased reliability from greater power handling and helps eliminate power compression that can distort the speakers’ sound.
Frequency response to 21kHz
A wide frequency response that extends beyond 20kHz helps to compensate for speaker-placement variations in your car and for human hearing deficiencies in the high-frequency spectrum above 15kHz. The result is that GTO 629 speakers deliver more of the full-range frequency response that you associate with great sound.
High sensitivity (93dB@2.83V/1m)
High sensitivity allows a wide range of power to provide great sound without overdriving the audio system. With a sensitivity of 93 decibels at 2.83 volts/1 meter, the GTO 629 6-1/2'' (160-millimeter) speakers achieve excellent volume and musicality with as little as 5 watts RMS. That simply means better performance overall with even very moderate power driving the speaker. And better performance makes the speakers an ideal replacement for factory speakers as well as for any aftermarket speaker installation.
UniPivot and adjustable tweeter level
UniPivot is an innovative feature on the GTO 629 that allows the tweeter to be aimed at the listening location for better stereo imaging and high-frequency response at the listener’s ear. You can also easily adjust the tweeter output from 0 to +3 decibels to compensate for low and off-axis mounting positions or road noise.
Edge-driven, soft-dome tweeter diaphragms
The edge-driven, soft-dome tweeter design in the GTO 629 increases power handling while reducing high-frequency distortion. Edge-driven tweeters also have better dispersion characteristics and allow a lower crossover frequency, which improves imaging. The result is better vocals and clarity in your music. There’s no sense having it loud if it doesn’t sound clean, too.
Speaker grilles and adapter mounting rings included
The GTO 629 speakers include an additional set of mounting adapter rings to allow the speakers to fit securely in a broad range of factory speaker openings that match this size. In addition, attractive black metal mesh grilles are also included to protect the speaker whenever it’s mounted in a location requiring a grille.
Industry-leading product development and evaluation standards
JBL technicians specifically evaluate each GTO Series speaker model in the development stages for overall and vocal-range voicing, intermodulation distortion (IMD) and performance at the limits of electrical and mechanical design. We also test according to strict carmaker reliability standards, both in development and in final production. All of these details are virtually unique to JBL car speakers, as most competitors do not even come close to this level of detail and oversight.
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GTO629 - 180-watt, 6-1/2
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Item #: GTO629

GTO629

A 6-1/2" speaker that installs easily and produces rich, lifelike audio.
$119.95 per pair
Availability: In-stock and ready to ship.
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