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LG Display unveils thin speakers that can be hidden in car interiors (dashboard, headliner, pillar, and headrests). No speaker grills needed. No voice coils, cones or magnets, instead they use a film-like exciter technology. No rare earth elements. The speakers can vibrate off display panels and other materials inside the car body according to the company. It's called "Thin Actuator Sound Solution". The company says a "global automaker" partnered on the project.

They will be at the 2023 CES trade show.


https://www.engadget.com/lg-thin-speakers-for-automobiles-111709791.html
LG Display Develops 'Invisible' Speakers for Automobiles | LG Display Newsroom
 

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Discussion Starter · #3 ·
Two different but similar pictures, but it's a press release rather than a science journal research paper. If you hunt down more details, please post, voltreg. You may be able to get more details at the trade show too.

I just thought it was an interesting devlopment that could give designers more freedom and flexibility while potentially eliminating some weight and lessening reliance on expensive rare earths.
 
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