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Premium Miata Sound

3rd Millennium offers high performance audio solutions for your 1990-2023 Miata - all at affordable prices. And all our solutions are plug-and-play. No drilling or modifying your Miata, no splicing wires, and no special skills or tools are needed to install.

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Headrest Retrofit Kit

Just because your 90-97 Miata didn't come with headrest speakers doesn't mean you can't have them. Our Retrofit Kit is 100% oem compatible - that means a perfect fit and no cutting or modification to your seats.

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Frustrated that you haven't found affordable premium door speakers for your Miata? The frustration is over. Introducing the M800 door speakers for the 1990-2015 Miata. Exact oem fit with deep, rich bass. It's a HUGE sound improvement.


What's New

Our goal is simple. We want to provide hard-to-find and high quality audio and electronics products for our customers - all at a great price and with fast & courteous service.

Glenn - President & CEO

Introducing the M170s! The M170s are a perfect drop-in upgrade for the round speakers found in the 90-97 Special/Limited/and M-Edition Miata's. It's a 10 minute plug-and-play installation and the sound is a massive improvement over the OEM speakers. Learn more here

Door Harness Adapters for the 2016-2023 Miata! We now have the adapters to install our M800s speakers into the 2016-2023 Miata doors. No cutting or splicing wires - just plug them in. $5.19 for a pair. Standard 205/110 connectors. Purchase here.

Door Panel Grommets for 1990-2005 Miata's! I know it's a little thing, but it's much better to mount your door speakers with the correct mounting grommet to avoid vibration. And metal Tinnerman-style clips are not recommended as they will scratch up your door panel and can rust.

These grommets replace the factory pieces in the doors of your 1990 - 2005 Miata. You need (3) for each 90-97 door and (4) for 1999 - 2005. Just $5 for a 4-pack. Order here

More Videos! Check out our latest video covering the installation of our M170 speakers in the 90-97 Special/Limited Edition Miata's! And for NC owners, check out installing our Air Horn Kit and installing our Battery Disconnect. Both in our 2012 Sport. So check out all the good content up on our YouTube channel.

I wanted to pass on how pleased I am with the products that I ordered. Between the 6 speakers, the rain shields and the battery disconnect I think I maybe spent a half hour tops installing. Everything fit exactly as promised and was so simple to switch out! Not to mention how thrilled I am with the sound of the radio now.

Keith - Ontario

Our Airhorn Kit is now available for the 2016-up Miata! Same great quality and instructions as for all the other generations, now shipping for your ND Miata. Click here.

See how easy it is to install our products in your Miata! Check out our YouTube channel at