Earasers Musicians Earplugs will serve as the presenting sponsor of the DCI World Championship Semifinals on Friday, August 11, in Indianapolis.

The company returns to Drum Corps International's exclusive list of presenting event sponsors after supporting the DCI World Championship Prelims in 2016.

Owned by Casselberry, Florida-based Persona Medical — the oldest hearing aid manufacturer in the U.S. — Earasers are the world's first flat frequency response earplugs that filter out loud noise while still allowing wearers to hear at safe, comfortable levels.

Designed with musicians in mind, Earasers were developed by a lead engineer who is a musician and former drum corps member.

"Earasers is honored to be a presenting sponsor for the DCI World Championship Semifinals,” said Don Campbell, President of Earasers.  “I marched as a member of Suncoast Sound with some incredible musicians, and I am still a great drum corps supporter and fan.”

Developed in 2012, Campbell discovered the concept for Earasers Musicians Earplugs after looking to improve the comfort of the company's instant fit hearing aids. Since then, Earasers has come out with an entire line of products including earplugs specifically developed for marching musicians through a special licensing agreement with the Blue Devils' System Blue catalog of products.

“We have a passion to inform the youth in our activity," Campbell said. "NOW is the only time to be Ear-Responsible!”

In support of hearing health education, Earasers offers special discounts for even small groups.

“As more and more musicians recognize the critical need for hearing protection, we're very pleased to see a company like Earasers get involved with Drum Corps International as a presenting sponsor,” said John DeNovi, DCI's Senior Director of Global Business Development.

The DCI World Championship Semifinals presented by Earasers Musicians Earplugs will take place at Lucas Oil Stadium in downtown Indianapolis on Friday, August 11. Tickets are now on sale through Ticketmaster.