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JBL GX608C (2-Pairs, 4-Total)

840W Peak (280W RMS) GX Series 6.5” Component Speaker System (2-Pairs)

JBL
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• 210 watts Peak Each, 70 watts RMS Each
• Dome Tweeters
• Polypropylene cone material
• Impedance: 2.3 ohm
• Sensitivity: 92 dB

Learn more about the gx608c_2
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Fits your 2016 Flex

Fits the following locations:

  • Mounting adapter brackets
  • Speaker harness to avoid cutting factory wires
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$239.90

 with warranty
Starting at $22/mo or 4 payments of $60 Buy now, pay later and installment payment plans are offered by Afterpay and Affirm. Learn more

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Description


JBL brand icon

Authorized dealer

JBL GX608C (GX608CAM)

420W Peak (140W RMS) 6.5” GX Series 2 Way 2.3-ohm Component Speaker System
Quantity: 2

Product Details:

  • 6-1/2" 2-way Component System Car Speakers
  • Power Handling:
    • Peak: 420 watts per set / 210 watts each side
    • RMS: 140 watts per set / 70 watts each side
  • Polypropylene cone material
  • Rubber speaker surround
  • 1-13/16" Edge Driven Dome tweeters
  • Ferrite magnet motor structure
  • Top-mount Depth: 2-1/16"
  • Cutout Dimensions: 5-1/8"
  • Designed to fit into most factory locations without vehicle modification
  • Tweeters provide more heat dissipating surface area in the voice coil
  • Impedance: 2.3 ohm
  • Frequency Response: 50 - 21000 Hz
  • Sensitivity: 92 dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Per Complete Component System: 2 midwoofers, 2 tweeters and 2 crossover networks.

Frequently Asked Questions (FAQ)


This component set requires the external crossover to be wired. You must run the head unit/amp wires to the crossover "IN," then connect the woofer to "WF OUT" and the tweeter to "TW OUT." The tweeters won't work if wired directly.
Use the JBL Crossover as the hub. Connect your factory pair to the Crossover "Input." Then, run the new wires provided in the box to the woofer and tweeter locations. This ensures each speaker receives the correct frequencies.
No. JBL’s High-Output 3-ohm design (noted as 2.3-ohm) is engineered to safely pull a bit more power from factory head units without over-stressing them, actually improving volume and clarity on low-power systems.
Use the included I-Mount™ system. It provides various pods and rings for surface or flush mounting. If the hole is still too big, you can DIY a mounting "bridge" using a small strip of perforated backstrap (plumbers tape).
Check the Phase (Polarity). If the (+) and (-) are swapped on one side, the woofers will cancel each other out. Ensure the wire with the stripe (usually +) goes to the (+) terminal on both crossovers and both woofers.
The GX608C comes with mounting adapter rings. If the speaker sits too far forward, try mounting it directly to the metal or using a slimmer aftermarket bracket. Ensure the foam gasket is used to prevent the cone from touching the panel.
Yes. The JBL crossovers feature a Tweeter Level Control button. Press the button on the crossover to drop the tweeter output by -3dB. This balances the sound if the tweeters are mounted high on the dash or "on-axis."
Probably not. These are 6.5" woofers, not subwoofers. Ensure your radio's High Pass Filter (HPF) is set to around 80Hz. This filters out sub-bass frequencies that cause the small woofer to "bottom out" or distort.

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Specifications & Details


Speaker Specifications
Series
GX Series
Priced Per
2 Pairs (4 Speakers)
Number of Speakers
4 Speakers + 4 Tweeters
Speaker Size
6-1/2"
Design
2-way Component System
Tweeter Design
Dome
Woofer Composition
Polypropylene
Peak Power Handling
210 watts
RMS Power Handling
70 watts
Total PEAK Per Pair/Set
420 watts
Total RMS Per Pair/Set
140 watts
Sensitivity
92 dB
Frequency Response
50 - 21,000 Hz
Impedance (Per Voice Coil)
2.3 ohm
Shallow Mount Installation
No
Magnet Type
Ferrite
General specifications
Marine Certified
No
Color
Black
Speaker Grilles
No
Includes Damping Kit
without Damping Kit
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Speakers
Speakers (2)
Tweeters (2)
Tweeter flush mounts (2)
Crossover networks (2)
Mounting screws (4)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

JBL

Model Number:

GX608C_2

Weight:

11.00lbs

Internal SKU:

gx608c_2

Internal Product ID:

203734

Customer Ratings & Reviews


JBL GX608C (2-Pairs, 4-Total) thumbnail image

5 star
71%
4 star
29%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
4.8
Features
4.8
Design
5
Usability
5

Customer Photos & Videos


Customer Reviews

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The following review is for GX608C, which is a part of the bundle you are viewing.
By Edson Eduardo on December 10, 2024 Checkmark Icon Verified purchase
2017 Nissan Rogue

4 found this helpful


Sound is better than I thought it was going to be

The following review is for GX608C, which is a part of the bundle you are viewing.

I have ordered from SONIC ELECTRONIX 3 times...perfect every time and i will continue to buy from them.. the pics are of the tweeter installation in my doors...the speakers and crossovers fit perfectly behind my door panels ..I installed the whole package...tweeters were also crossed...bridged my KTA-450..set my gain about 40%..set volume at 29..(35 is max)-(Ilx w650)...and cooked one tweeter in 90 seconds...
DO NOT OVERPOWER!!!!
entirely my fault.. other than not being able to handle a little extra power..I have no problem saying these are very good sounding speaker-tweeter combo's..@ rated RMS power you'll have no issues with these speakers...and yes...they get fairly loud....they pair very nicely with a underseat subwoofer.

By Robert on March 16, 2025 Checkmark Icon Verified purchase
2015 Kia Soul

2 found this helpful


Awesome for the price!

The following review is for GX608C, which is a part of the bundle you are viewing.

Fit great in my rear doors of my 2006 frontier! JBL has great products and I'd recommend them !

By Joshua on March 10, 2025 Checkmark Icon Verified purchase
2006 Nissan Frontier

1 found this helpful


The following review is for GX608C, which is a part of the bundle you are viewing.
By Scott on November 1, 2024 Checkmark Icon Verified purchase
2003 GMC Envoy

1 found this helpful


What a nice service everything was on time and packed well

The following review is for GX608C, which is a part of the bundle you are viewing.
By Jose on May 11, 2024 Checkmark Icon Verified purchase
2017 Ford Transit Cargo

1 found this helpful


Great deal on speakers

The following review is for GX608C, which is a part of the bundle you are viewing.

The speaker quality is impeccable just takes a while to install but it’s worth it at the end of the day

By Joel on December 4, 2025 Checkmark Icon Verified purchase
2007 Lexus IS250


Excited!

The following review is for GX608C, which is a part of the bundle you are viewing.

Honestly this product had two more speakers in it than I thought it had. I’m beyond happy with it. I have always been a huge fan of jbl Harmon to get these for this price was amazing! Shipping was excellent and came way sooner than I thought! All around a great experience. I will be shopping this site again very soon! I appreciate the helpfulness and quickness of the whole process! Thank you!

By Brittany on October 30, 2025 Checkmark Icon Verified purchase
2014 Ford F-150




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