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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Description

🎶 Turn your car into the ultimate sound stage—don’t just drive, perform!

BUILT TO ENDURE - Passed 500+ hours of extreme environmental testing—heat, humidity, UV, and vibration—so your sound stays flawless mile after mile.
BOOMING BASS BOOST - Plus One cone technology expands cone surface by up to 30%, pumping out deeper, more powerful bass that transforms your drive.
PLUG PLAY UPGRADE - Designed for easy installation into factory 6x9 mounts with no special tools, making your upgrade seamless and hassle-free.
POWER OPTIMIZED DESIGN - Low 2-ohm impedance maximizes amplifier output, ensuring your system hits harder without compromise.
AUDIOPHILE GRADE CLARITY - Edge-driven Mylar-Titanium tweeters deliver crystal-clear highs and rich midrange vocals for a concert-like experience on the road.

The JBL GTO938 is a 6x9-inch 3-way car speaker system engineered for professional-grade sound with 600 watts peak power and 94dB sensitivity. Featuring advanced Mylar-Titanium tweeters, Plus One cone technology for enhanced bass, and a low 2-ohm impedance for maximum amplifier efficiency, it delivers crystal-clear highs, rich mids, and booming lows. Built to withstand extreme conditions and designed for easy installation, it’s the perfect upgrade for millennials who demand premium audio performance and reliability on the road.

Specifications

Input Voltage	2.83 Volts
Mounting Type	Ceiling Mount
Material	Rubber
Model Name	GTO939
Speaker Type	Woofer
Special Feature	Bass Boost
Recommended Uses For Product	car
Compatible Devices	car
Subwoofer Diameter	9 Inches
Surround Sound Channel Configuration	3.0
Color	Black
Included Components	1 x Subwoofer
Product Dimensions	25.4D x 22.9W x 25.4H cm
Item Weight	2 Kilograms
Impedance	2 Ohm
Is Waterproof	False
Warranty Type	Limited
Number of Items	2
Control Method	Remote
Wireless Communication Technology	Bluetooth
Speaker Size	9 Inches
Power Source	Corded Electric
Batteries Required	Yes
Battery Average Life	4 Hours
Speaker Count	2
Manufacturer	JBL
Item Model Number	GTO939
Size	6" x 9"
Model Year	2011
Output Wattage	300 Watts
Wattage	300 W

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