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JBL GTO18T Tweeters

JBL GTO18T Tweeters

JBL GT018T Tweeter Toyota Tacoma
JBL GT018T Tweeter Toyota Tacoma

JBL GTO18T Tweeters

How to install JBL GTO18T Tweeters in your Toyota Tacoma

When you order these tweeter mounts from our site for your JBL GTO18T Tweeters, you will want to specify a custom size cutout @ 1.875″ cutout. We custom size the tweeter mount to fit your tweeter. Please keep in mind tweeters come in MANY different sizes. Please be sure to include the cutout diameter in the order notes.


JBL GTO18T Tweeters Toyota Tacoma

The perfect tweeter to optimize your vehicle’s stereo image

Need to tune up your system and add some highs? The GTO18T is the perfect solution. It’s a 1″ (25mm) edge-driven My-Ti™ tweeter with I-Mount™ tweeter-mounting system. My-Ti (Mylar®/titanium composite) tweeters are stiff, light and extremely efficient. The well-thought-out I-Mount system allows for easy and versatile installation of the GTO18T. The GTO18T tweeter also features JBL’s proprietary Starfish™ tweeter mount, which allows the tweeter to be installed in a variety of factory locations.


Tweeter Specifications

Tweeter Size 1″ Tweeter Design Dome Tweeter Composition Mylar/Titanium Hybrid Flush Mount Yes Surface Mount Yes Angled Mount Yes Peak Power Handling 150 watts RMS Power Handling 50 watts Sensitivity 92 dB Frequency Response 2,500 – 21,000 Hz Impedance (Per Voice Coil) 2 ohms Top-Mount Depth 1″ Cutout Dimensions 1-3/4″ x 1-3/4″


  • 1″ Grand Touring Series Car Tweeter
  • Power Handling:
  • Peak: 300 watts per pair / 150 watts each
  • RMS: 100 watts per pair / 50 watts each
  • Mylar/titanium composite dome tweeters
  • I-Mount for simple and versatile installation
  • Starfish tweeter mount allows the tweeter to be installed in a variety of factory locations
  • Frequency response: 2,500-21,000 Hz
  • 2 ohms impedance
  • Sensitivity: 92 dB
  • Cut-out diameter: 1-3/4″
  • Top-mount depth: 1″