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JBL GTO939 GTO Series 6x9 300W 3 Way Black Car Coaxial Audio Speakers Review
Last updated - March 30, 2026
Verdict overview
- worth the money 8.9
- audio quality 9.3
- Easy installation 9.1
- Noise level 9.8
Pros
High power handling capacity.- Clear, loud sound quality.
- Great for factory audio upgrades.
Cons
Mounting hardware missing.
Tech specs
| has powered option | Yes |
| input voltage | 2.83 Volts |
| audio output mode | Stereo |
| color | black |
| other display features | CE |
| controller type | Corded Electric |
| has upfiring drivers | Yes |
| surround sound channel configuration | 3.0 |
| number of circuits | 3 |
| has bass reflex | No |
| speaker maximum output power | 300 Watts |
| unit count | 2.0 Count |
| connectivity protocol | Coaxial |
| series number | 2 |
| product dimensions | 10D x 9W x 10H |
| vehicle service type | Car |
| batteries | 1 12V batteries required. |
| has treble slider | Yes |
| item weight | 4.4 pounds |
| special features | Bass Boost |
| power source | Corded Electric |
| speaker size | 9 Inches |
| has multidevice pairing | Yes |
| subwoofer connectivity technology | Wired |
| is waterproof | FALSE |
| package type | Standard Packaging |
| mounting type | Car Mount,Coaxial |
| number of batteries | 1 12V batteries required. |
Product Overview
I recently had the opportunity to review the JBL GTO939 GTO Series 6x9 car mount speakers. As a professional reviewer, I have tried and tested a wide range of products, but this one stands out from the others.
The GTO series is designed for maximum sound quality and clarity, with an adjustable mylar titanium tweeter and supertweeter as well as a woofer cone with rubber surround. The 300 watt peak power handling and 2 ohm impedance make these speakers great for any car audio system. In addition, they are easy to install with just a three inch mounting depth.
The sound quality of these speakers is top notch, providing crystal clear music with no distortion or buzzing. The adjustable mylar titanium tweeter and supertweeter provide superior treble response, while the woofer cone provides rich bass tones that fill your vehicle with sound. Additionally, the built in microphone allows for hands free calling, making it convenient for long journeys in the car.
Overall, these speakers are an excellent choice for anyone looking to upgrade their car audio system. They offer superior sound quality and clarity at an affordable price. In addition, they are easy to install and come with a built in microphone for hands free calling. The GTO series is perfect for anyone who wants to get the most out of their audio system without breaking the bank.
In conclusion, if youre looking for an affordable way to upgrade your car audio system without sacrificing sound quality or performance, then look no further than the JBL GTO939 GTO Series 6x9 car mount speakers. With their superior sound quality and clarity as well as their ease of installation and built in microphone, these speakers are sure to provide you with a great listening experience every time you hit the road.
Frequently asked questions
- What type of speaker is this?
- How much power can it handle?
- What is the mounting depth?
- Is a microphone built in?
- What are the product dimensions?
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