Rating Content :
Performance: JBL Header Total:: 37795313056469622 - 37795313507117622 = 450648 micro seconds
Performance: product-images:: 37795313513131622 - 37795313514962622 = 1831 micro seconds
The JBL® GTO 8629 is a “factory-sized” 180 watts peak (60 watts RMS) two-way coaxial speaker system intended to be a direct factory replacement for many of today’s vehicles with 5" x 7" (130mm x 180mm) or 6" x 8’’ (150mm x 200mm) speaker locations. It uses Plus One® (U.S. patent number 7,548,631) woofer cones, the patented I-Mount™ system (U.S. patent number 5,859,917) for the tweeters and an edge-driven, soft-dome tweeter that can be aimed via the unique UniPivot™ tweeter (patent no. 6,002,780).

What's In The Box

GTO8629 - 180-watt, 5
  • 2 GTO 8629 coaxial speakers
  • 1 foam tape for mounting surface
  • Miscellaneous mounting hardware
  • Owner’s/installation manual

Product Specs, Manuals & Compatibility

Compatible with TVs, Laptops, and Mobile devices
Manuals & Downloads
General Specifications
6 x 8 / 5 x 7
Audio Specifications
Power Handling (RMS)
Frequency Response
(2.83V/1m) 93dB
Power Handling (Peak)
Nominal Impedance
3 ohms
External Diameter (in)
9-1/16 x 5-5/8
External Diameter (mm)
229 x 125
Mounting Cutout Diameter (in)
7-1/8 x 4-15/16
Mounting Cutout Diameter (mm)
181 x 125
Mounting Depth (in)
Mounting Depth (mm)
USA Warranty Length
1 Year Warranty
Product Features
25 – 180 watts suggested amplifier power range
JBL engineers designed the GTO 8629 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 8629 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 satisfy high-fidelity audiophile listeners. And its great power-handling specifications also increase reliability over the lifetime of the speaker.
Patented Plus One woofer-cone technology
The GTO8629’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. Also, its carbon-injected cone material produces a lighter and stiffer cone. The result is a better low-frequency response and a greater ability to make those important musical notes that people often associate with larger speaker sizes.
Fiberglass-reinforced plastic (FRP) frames
The fiberglass-reinforced ABS plastic (FRP) frames used in the GTO 8629 speakers resist warping even when you mount them on uneven surfaces. Their nonmagnetic carbon composite helps to control the speaker 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 8629 compensate for the added resistance by thin factory-installed speaker wiring. They also provide more output than factory-installed speakers or others in the speaker’s class.
Vented magnet assemblies
GTO 8629 speakers feature vented magnet assemblies to help 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 8629 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 8629 speaker achieves excellent volume and musicality with as little as 5 watts RMS. That means better performance overall with even very moderate power driving the speaker. And better performance makes the GTO 8629 speakers an ideal replacement for factory speakers as well as for any aftermarket speaker installation.
UniPivot and adjustable tweeter level
UniPivot technology is an innovative feature on the GTO 8629 that allows 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 8629 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.
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.
Hide Specs
Performance: features:: 37795313515760622 - 37795313551825622 = 36065 micro seconds
Performance: reviews:: 37795313559042622 - 37795313575237622 = 16195 micro seconds

Buy Now

GTO8629 - 180-watt, 5
Also in Stock at

Please enter all the information below to find a dealer.





Performance: dealer:: 37795313576449622 - 37795313581665622 = 5216 micro seconds
Item #: GTO8629


A 5" x 7" coaxial with exceptional bass, optimal imaging and easy installation.
$103.95 per pair $129.95
Availability: In-stock and ready to ship.
Why buy direct from JBL.com?
Free Ground Shipping
Free Returns
Lifetime Support
Performance: details:: 37795313590969622 - 37795313648127622 = 57158 micro seconds
Performance: PDP Total:: 37795313052641622 - 37795313660090622 = 607449 micro seconds