Startup Emo Labs, which creates invisible speaker technologies, has raised $1.5 million in funding according to an SEC filing. The startup, which presented at this year’s DEMO conference, previously raised $16 million in funding. Emo Labs was a co-winner of the top prize at DEMO, winning a shared $1 million in advertising.

Emo Labs’ flagship product, enabled by the company’s Edge Motion technology, provides invisible, zero-footprint speaker systems. The speaker systems, which is a plastic device, aims to transform the screen of a flat panel display product into a stereo loudspeaker. Here’s a demo video that where Emo Labs’ CEO Jason Carlson demos the product.

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