Name: JBL GX9638 (JBLGX9638AM)
Brand: JBL
SKU: gx9638
Price: 89.95 USD
Availability: OutOfStock
Rating: 4.9375 (16 reviews)

Shop all JBL

by JBL

About
FAQ
Specs & Details
Reviews
Add-ons
Related Products
Recently Viewed
Related Searches

Out of stock

JBL GX9638 (JBLGX9638AM) Image 1 — JBL GX9638 (JBLGX9638AM)

JBL GX9638 (JBLGX9638AM) Image 2 — JBL GX9638 (JBLGX9638AM)

JBL GX9638 (JBLGX9638AM) Image 3 — JBL GX9638 (JBLGX9638AM)

JBL GX9638 (JBLGX9638AM) Image 4 — JBL GX9638 (JBLGX9638AM)

JBL GX9638 (JBLGX9638AM) Image 5 — JBL GX9638 (JBLGX9638AM)

JBL GX9638 (JBLGX9638AM) Image 6 — JBL GX9638 (JBLGX9638AM)

Product highlights

• 300 watts Peak Each, 100 watts RMS Each
• Edge-driven Polypropylene Soft Dome tweeters
• Edge-driven Polypropylene dome tweeters
• Polypropylene cone material
• Impedance: 2.3 ohm
• Sensitivity: 94 dB

Learn more about the gx9638

Doesn't fit your 2016 A8 Quattro

Similar items | Update vehicle | Vehicle store

List price $99.95

-10%

$89.95

/pair with warranty

Starting at $16/mo

or 4 payments of $23

Quantity Qty

Out of stock - Order risk-free, cancel any time.

Brand new

Notify me

Popular alternative

NVX ESP69 480W Peak (160W RMS) 6x9" E-Series 2 Way Coaxial Car Speakers

(6)

$54.99 $65.99

Description

Authorized dealer

JBL GX9638

The GX9638 is designed to fit seamlessly into 6x9" factory speaker locations without requiring vehicle modifications, bringing high-energy JBL Pro Sound to your driving experience. Featuring a patented Plus One woofer cone with a three-ohm voice coil and an edge-driven soft-dome tweeter integrated into a proprietary tweeter deflector, each component is individually voiced to deliver authentic JBL Pro Sound for your next road trip.

To ensure outstanding performance even with the windows down, the three-ohm voice coil maximizes power extraction from the amplifier, producing higher output and deeper bass for an exceptional listening experience on the go.

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

Frequently Asked Questions (FAQ)

These are 2.3-ohm speakers. Will they damage my standard 4-ohm factory radio?

No. JBL’s "Plus One" 3-ohm architecture (which measures 2.3 ohms at the terminals) is designed to be safely driven by any factory head unit. It actually pulls more power from weak radios, providing a volume boost without overheating the system.

My window hits the back of the speaker when I roll it down. What is the fix?

These have a 2.9" mounting depth. If the magnet obstructs the window, install a 1/2" spacer ring between the speaker and the door. This pushes the speaker forward. Just ensure your door panel has enough clearance for the tweeter.

The speaker fits the hole, but the screw holes don't line up with my car. Any tips?

Many cars (Toyota, Dodge, Ford) use non-standard 6x9 patterns. Instead of drilling into your car’s metal, use a vehicle-specific adapter bracket. This ensures a secure, rattle-free mount and centers the speaker perfectly behind the grille.

Why do these speakers sound distorted when I turn up the bass on my stock radio?

These are designed for clarity. If your stock radio "clips" at high volume, it sends a distorted signal. To fix this, set your Bass EQ to "Flat" (0) and use a high-pass filter if available, or add a small amplifier to handle the power demands.

I’m replacing a factory woofer that had 4 wires. Which two do I use for the JBL?

Your car likely had a separate tweeter. You must identify the "full-range" signal wires. If the factory wires are split (bi-amped), you will only get bass or only highs. You may need a signal "summing" adapter to get the full sound range.

There is a gap between the speaker frame and the mounting surface. Is this okay?

No. Any gap will cause "acoustic short-circuiting," which destroys bass response. Use the foam gaskets included in the box to create a 100% airtight seal. If the gap is large, use foam "Fast Rings" to bridge the space to the door panel.

The highs are way too loud compared to the bass. Can I turn the tweeter down?

The GX9638 features an adjustable Tweeter Output Level. Locate the button on the face of the tweeter; pressing it allows you to reduce the high-frequency output by -3dB, which helps balance the sound if the speakers are mounted high in the door.

One speaker stopped working after a rainy day. What should I check first?

Water often leaks inside car doors. Check if the terminals are corroded or if the wire slipped off. Use "Heat Shrink" or electrical tape over the spade connectors during your DIY install to prevent moisture from shorting the connection.

Other products for your Audi A8 Quattro

MB Quart RVM-35V1

3.5" Touchscreen Multi-Zone Digital Multimedia Receiver with Bluetooth for RV's

-10.38%

$189.99

List price $211.99

Add to cart

DS18 RV.R1

Multi-Zone Digital Audio Receiver with Bluetooth Audio Streaming for RV's

$179.95

Add to cart

MB Quart RVDVD3.0

Multi-Zone DVD Receiver with Bluetooth for RV's

-10.10%

$257.99

List price $286.99

Add to cart

Out of stock

MB Quart RVM2.0

Multi-Zone Digital Audio Receiver with Bluetooth Audio Streaming for RV's

-10.29%

$156.99

List price $174.99

Notify Me

MB Quart RVM-10V1

10" Touchscreen Multi-Zone Digital Multimedia Receiver with Bluetooth for RV's

-9.09%

$250.00

List price $275.00

Add to cart

Specifications & Details

Speaker Specifications

Series

GX Series

Priced Per

Pair

Number of Speakers

Speaker Size

6" x 9"

Design

3-way Coaxial

Tweeter Design

Soft Dome

Tweeter Composition

Polypropylene

Woofer Composition

Polypropylene

Woofer Surround

Rubber

Peak Power Handling

300 watts

RMS Power Handling

100 watts

Total PEAK Per Pair/Set

600 watts

Total RMS Per Pair/Set

200 watts

Sensitivity

94 dB

Frequency Response

45 - 21000 Hz

Impedance (Per Voice Coil)

2.3 ohm

Shallow Mount Installation

Top-Mount Depth (Mounting Depth)

2-7/8"

Cutout Dimensions

8-3/4" x 5-15/16"

CTA-2031 Compliant

General specifications

Marine Certified

Hi-Res Certified

Color

Black

Illumination

None

Speaker Grilles

Includes Damping Kit

without Damping Kit

Compatible vehicle types

Car/Truck/SUV/Van

What is in the box?

Paperwork

Quick start guide

WITB: Speakers

Foam Gasket
Speakers (2)

Warranty and Return Policy

Parts Warranty Duration

1 year

Labor Warranty Duration

1 year

Warranty Provider

Manufacturer

Customer Ratings & Reviews

JBL GX9638 (JBLGX9638AM) thumbnail image

Overall rating distribution

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

Filter by Star Rating

Show only Verified Purchases

By feature average rating

Durability		4.8
Value		5
Features		5
Design		4.9
Usability		4.9

Customer Reviews

Sort by:

Crisp quality highs with rich sound

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

Report abuse

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

Report abuse

JBL gx9638

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

Report abuse

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

Report abuse

By Brandon on January 18, 2025 Checkmark Icon

Verified purchase

2017 Infiniti QX60

2 found this helpful

Report abuse

By Glenwood on August 23, 2024 Checkmark Icon

Verified purchase

2 found this helpful

Report abuse

By Jonathan on May 10, 2024 Checkmark Icon

Verified purchase

2007 Toyota Camry Hybrid

2 found this helpful

Report abuse

They are loud

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

Report abuse

By Harold on May 31, 2025 Checkmark Icon

Verified purchase

2012 Toyota Tundra

1 found this helpful

Report abuse

By hugo e on June 20, 2024 Checkmark Icon

Verified purchase

1 found this helpful