Hello All:
I just Googled it. AMT tweeters, according to Google at least, are used in the list of speakers below:
High-End Home Audio
- Wharfedale: The flagship non-heritage models feature advanced AMT tweeters.
- Legacy Audio: The flagship AERIS and Focus SE lines utilize the manufacturer's signature Dual AMT System.
- Pure Audio Project: Premium open-baffle speaker lines integrate large AMT tweeters.
- Audiovector: Features patented AMT tweeters across their high-end lines, such as the Ri71 and QR series.
- Neat Acoustics: The Vito Classic model incorporates an AMT tweeter into its 2.5-way floorstanding cabinet.
- Kanto: Active and powered bookshelf lines (like the TUK) use dedicated AMT tweeters.
Studio Monitors & Pro Audio
- HEDD Audio: Core professional MK2 monitors feature the manufacturer's proprietary AMT driver design.
- Avantone Pro: Gauss 7 reference monitors deploy GAU-AMT tweeters.
- ADAM Audio: A long-time pioneer of AMT technology, utilizing X-ART and S-ART variants across various professional monitor lines. [1, 2, 3]

