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Upgrades
Wrangler
JL | 2018 - 2024
JK | 2014 - 2018
Which 2018 model do I own?
Gladiator
JT | 2020 - 2024
Accessories
Tweeter Accent Rings
Different by Design
Upgrade Philosophy
Support
Log in
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Terra Journal
Jul 24, 2023
A Three Hour Tour
Jul 19, 2023
2024 Wrangler + Gladiator Audio System Update
May 08, 2023
Colored Tweeter Accent Rings Are Now Shipping
Jan 25, 2023
Control Theory: 8ohm vs 4ohm
Jan 10, 2023
Now Shipping to Canada!
Jan 09, 2023
Music Monday: 10 Best New Albums of 2022
Dec 13, 2022
Winter 2022 Updates - Tuning, Listening Optimization, 2023 and beyond...
Sep 08, 2022
Product Design Evolution - Improvement Through Customer Feedback
Aug 29, 2022
Music Monday: Steve Winwood “Higher Love”
Aug 25, 2022
Terra Tech: Tweeters + Reimagined Grilles
Aug 22, 2022
Music Monday: The Soundtrack of Your Adventure
Aug 19, 2022
Terra Tech: Let's Talk Magnets
Aug 15, 2022
Music Monday: Heavy Rotation - "World on Fire"
Aug 10, 2022
Terra Tech: Cone Material + Design Principles
Aug 08, 2022
Music Monday: Five Dynamic Test Tracks
Aug 03, 2022
Terra Tech: Why We Use Composite Baskets for Our Jeep Speakers
Jun 03, 2022
State of the Speaker - Summer of Sound
Jan 27, 2022
State of the Speaker
Dec 08, 2021
Why don't you offer a rear speaker "upgrade" for my Jeep?
Dec 01, 2021
The How and Why - Terra Acoustics Makes the World's Best and Only Jeep Component Speakers
Nov 23, 2021
Tone Controls on Your Jeep Radio - Optimal Settings for Sound Quality
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Terra Journal