Longmont, CO

Stephen Ambrose is the Inventor of the world's first wireless, in-ear monitors (IEMs) and toured for decades with hundreds of top performers as he took his IEM design to market. He was the sole source of in-ear monitors to the professional market for over a decade. Concerned with the 70% increased risk of hearing loss from personal listening devices, he invented a revolutionary “second eardrum” to preserve the health of the human ear and to allow people to hear sound the way it was...

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