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JBL GX628 (GX628AM) + GX9638 (JBLGX9638AM)

360W (120W RMS) 6.5" GX Series 2-way 2.3-ohm + 600W (200W RMS) 6x9" GX Series 3-way 2.3-ohm Coaxial Car Speakers

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• 180 watts Peak Each, 60 watts RMS Each
• 1" Edge-driven Soft Dome tweeters with Harman-proprietary deflector
• Polypropylene cone material with Plus One woofer cone architecture
• Impedance: 2.3 ohm
• Sensitivity: 92 dB

Learn more about the gx628am_gx9638
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List price $179.94
Thanks , You Pay:
-11%

$159.94

/pair  with warranty
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Description


JBL brand icon

Authorized dealer

JBL GX628AM

Designed to fit into most factory locations without vehicle modification, the GX series speakers deliver high-energy JBL pro sound for in vehicle applications. Leveraging the patented Plus One™ woofer cone with three Ohm voice coil and edge-driven soft-dome tweeter mounted into the all-new proprietary tweeter deflector, all individually voiced to deliver authentic JBL pro sound for your next road trip. To ensure that you get a great performance even with the windows down, the three-ohm voice coil extracts more power from the amplifier, delivering high output and deeper bass.

JBL GX628 (GX628AM)

360W Peak (120W RMS) 6.5" GX Series 2 Way Coaxial 2.3-ohm Speakers
Quantity: 1

Product Details:

  • 6-1/2" GX Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 360 watts per pair / 180 watts each
    • RMS: 120 watts per pair / 60 watts each
  • Polypropylene cone material with Plus One woofer cone architecture
  • Rubber speaker surround
  • 1" Edge Driven Dome tweeters
  • HARMAN-Proprietary Tweeter Deflector
  • OEM-level reliability testing
  • Ferrite magnet motor structure
  • Top-mount Depth: 2-1/16"
  • Cutout Dimensions: 5-1/8"
  • Impedance: 2.3 ohm
  • Frequency Response: 50 - 21000 Hz
  • Sensitivity: 92 dB
  • Two protective woofer grilles included
  • Authorized Internet Dealer
  • MFR #: GX628
  • 1-year Manufacturer's Warranty

  • Priced Per Pair

JBL GX9638 (JBLGX9638AM)

600W Peak (200W RMS) 6x9" GX Series 3 Way Coaxial 2.3-ohm Speakers with Dual Tweeters
Quantity: 1

Product Details:

  • 6" x 9" GX Series 3-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 600 watts per pair / 300 watts each
    • RMS: 200 watts per pair / 100 watts each
  • Polypropylene Plus One cone material
  • Rubber speaker surround
  • Edge-driven Polypropylene Soft Dome tweeters
  • Edge-driven Polypropylene dome super tweeters
  • 3-ohm DCR voice coils
  • Tweeter deflector for an angled, rotating speaker
  • OEM-level reliability testing
  • Top-mount Depth: 2-7/8"
  • Cutout Dimensions: 8-3/4" x 5-15/16" 
  • Impedance: 2.3 ohm
  • Frequency Response: 45 - 21000 Hz
  • Sensitivity: 94 dB
  • Authorized Internet Dealer
  • MFR #: GX9638
  • 1-year Manufacturer's Warranty

  • Priced Per Pair


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Specifications & Details


Speaker Specifications
Series
GX Series
Priced Per
Pair
Number of Speakers
2
Speaker Size
6-1/2"
Design
2-way Coaxial
Tweeter Design
Edge-driven Soft Dome
Tweeter Size
1"
Woofer Composition
Polypropylene
Woofer Surround
Rubber
Peak Power Handling
180 watts
RMS Power Handling
60 watts
Total PEAK Per Pair/Set
360 watts
Total RMS Per Pair/Set
120 watts
Sensitivity
92 dB
Frequency Response
50 - 21,000 Hz
Impedance (Per Voice Coil)
2.3 ohm
Shallow Mount Installation
No
Magnet Type
Ferrite
Top-Mount Depth (Mounting Depth)
2-1/16"
Cutout Dimensions
5-1/8"
General specifications
Hi-Res Certified
No
Color
Black
Illumination
None
Speaker Grilles
Yes
Includes Damping Kit
without Damping Kit
What is in the box?
Paperwork
User manual
WITB: Speakers
Foam Gasket
Speakers (2)
Grilles (2, attached)
Mounting screws (4)
Mounting screws (8)
Mounting clips (8)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

JBL

Model Number:

GX628AM_GX9638

Weight:

12.64lbs

Internal SKU:

gx628am_gx9638

Internal Product ID:

206689

Customer Ratings & Reviews


JBL GX628 (GX628AM) + GX9638 (JBLGX9638AM) thumbnail image

5 star
94%
4 star
6%
3 star
0%
2 star
0%
1 star
0%



Durability
4.9
Value
5
Features
5
Design
4.9
Usability
4.9

Customer Reviews

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Crisp quality highs with rich sound

The following review is for GX9638, which is a part of the bundle you are viewing.

I just installed these in the front doors with GX-628 in the rear doors, and an amplifier/subwoofer behind the rear seat in our 2023 f150. The sound is awesome, and the only negative thing is that the software in the Ford stereos is limited to adjusting ranges between the regular highs, mids, and lows. Regardless, these speakers are tremendously richer in sound and clarity. You won't regret this purchase!!

By Boydmt68 on March 6, 2025

4 found this helpful


Great product!!

The following review is for GX628, which is a part of the bundle you are viewing.

I like this brand of speaker but this one really is quality and sounds great in my car! It was easy to install and I appreciate how all of the extra parts came with it. Great product, definitely a buy!

By Toni on June 22, 2024 Checkmark Icon Verified purchase
2020 Ford Fusion

4 found this helpful


The following review is for GX9638, which is a part of the bundle you are viewing.

Harness had male terminals. Needed female terminals to plug into factory connector. Also had to cut screw length. And speaker to adapter screw holes did not line up.

By jorge on May 25, 2025 Checkmark Icon Verified purchase

2 found this helpful


JBL gx9638

The following review is for GX9638, which is a part of the bundle you are viewing.

Great sounding speakers .great value. Works great with factory radio.

By Robert on February 23, 2025 Checkmark Icon Verified purchase
2019 Nissan Frontier

2 found this helpful


The following review is for GX9638, which is a part of the bundle you are viewing.

Amazing speakers and great price for my camry

By Xavier on January 27, 2025 Checkmark Icon Verified purchase
2011 Toyota Camry

2 found this helpful


The following review is for GX9638, which is a part of the bundle you are viewing.
By Brandon on January 18, 2025 Checkmark Icon Verified purchase
2017 Infiniti QX60

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The following review is for GX9638, which is a part of the bundle you are viewing.
By Glenwood on August 23, 2024 Checkmark Icon Verified purchase

2 found this helpful


The following review is for GX9638, which is a part of the bundle you are viewing.
By Jonathan on May 10, 2024 Checkmark Icon Verified purchase
2007 Toyota Camry Hybrid

2 found this helpful


They are loud

The following review is for GX9638, which is a part of the bundle you are viewing.

Purchased these as a direct factory replacement they sound good they are loud I am just running the stock radio and they are a great replacement but you can tell they need more power.. If ur looking for bass these are not the answer.. good clear sound..

By Wayne on October 14, 2025 Checkmark Icon Verified purchase

1 found this helpful


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By Harold on May 31, 2025 Checkmark Icon Verified purchase
2012 Toyota Tundra

1 found this helpful




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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.