Does anyone who owns these know what the frequency response is? It seems they forgot to put it in the product description. Thanks!

Jayce gave you the frequency swipe. The fs is on the speakers is 58.4. I have them with 45WRMS on the back deck of my car, and they do fill in the bass wonderfully. Not sure how they'll perform without an amp.The treble attenuator is very handy as well, it handles highs terribly well!These are at level with some kenwood excelon I had some years back... if not better (due to treble response)If you buy them, you will not be disappointed!

what is the RMS wattage output?

There is no output. These are speakers, not an amp. Per JBL specs, they'll handle100w continuous, 300w peak.

Is this a pair of speakers or a single speaker?

Its a pair of speakers. 2 pieces.

What's that little button in the middle of the speaker and does it mean anything?

It is to adjust the sound of the tweeter but i cant tell any diffrence .

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GTO939 GTO Series 6x9" 300W 3 Way Black Car Coaxial Audio Speakers Stereo

Product ID: 1155289

Details

Audio Output Mode
Stereo
Brand
JBL
Connectivity Technology
wired
Frequency Response
21000 hertz
Speaker Maximum Output Power
300 watts

📏3-inch mounting depth

🔊300W peak power

🎚️Adjustable tweeter levels

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Description

🎶 Turn your drive into a VIP concert experience with JBL GTO939 – where power meets precision!

BUILT TO ENDURE - Rigorous 500+ hours of environmental and vibration testing means your sound stays flawless through every commute and road trip.
BOOMING BASS BOOST - Plus One woofer cone technology offers up to 30% more cone surface area, pumping out deeper, punchier bass that commands attention.
PLUG PLAY UPGRADE - Designed for easy installation into factory 6x9 mounts—no special tools or modifications needed to elevate your car audio game.
POWERHOUSE PERFORMANCE - 300 watts peak power with a 2-ohm impedance ensures maximum amplifier efficiency and thunderous sound without distortion.
AUDIOPHILE GRADE CLARITY - Edge-driven Mylar-Titanium tweeters deliver crystal-clear highs and rich midrange vocals for a concert-hall experience on the road.

The JBL GTO939 is a premium 6x9-inch 3-way coaxial car speaker pair delivering 300W peak power with advanced Mylar-Titanium tweeters and Plus One woofer technology. Engineered for audiophile-quality sound, it features adjustable tweeters, a built-in crossover for seamless frequency transitions, and a durable design tested under extreme conditions. Compatible with most factory and aftermarket systems, it offers easy installation and powerful, distortion-free audio that transforms any vehicle into a mobile soundstage.

Specifications

ASIN	B003KN2TGM
Additional Features	Bass Boost
Antenna Location	car
Audio Driver Size	9 inches
Audio Driver Type	Dynamic Driver
Audio Output Mode	Stereo
Best Sellers Rank	#49,868 in Electronics ( See Top 100 in Electronics ) #396 in Car Coaxial Speakers
Brand	JBL
Built-In Media	1 x Subwoofer
Color	black
Compatible Devices	Car
Compatible with Vehicle Type	Car
Connectivity Protocol	Coaxial
Connectivity Technology	wired
Control Method	Touch
Controller Type	Corded Electric
Customer Package Type	Standard Packaging
Customer Reviews	4.5 4.5 out of 5 stars (3,055)
Enclosure Material	Mylar/Titanium Composite
Frequency Response	21000 hertz
Global Trade Identification Number	00050036930352, 00500369303526
Input Voltage	2.83 volts
Is Waterproof	FALSE
Item Dimensions D x W x H	10"D x 9"W x 10"H
Item Weight	4.4 pounds
Manufacturer	Harman Kardon
Model Name	GTO939
Model Number	GTO938
Mounting Type	Car Mount,Coaxial
Number Of Circuits	3
Number of Audio Channels	3
Number of Batteries	1 12V batteries required.
Number of Items	2
Power Source	Corded Electric
Series Number	2
Speaker Maximum Output Power	300 watts
Speaker Size	9 inches
Speaker Type	Coaxial,Woofer
Specific Uses For Product	Car audio system
Subwoofer Connectivity Technology	Wired
UPC	801549010150 500369303526 050036930352
Unit Count	2 Count
Warranty Description	1yr
Warranty Type	Limited
Wireless Technology	Bluetooth
Woofer Diameter	6 inches

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1666.01 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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