Dynamic Ear Company, or DEC, is based in Delft the Netherlands. We have been developing innovative in-ear solutions for hearing protection, communication, and earphones for over 15 years. Adherence to quality and safety is the cornerstone of DEC’s operations. Our hearing protection products comply with the PPE regulation EU 2016/425 and are tested according to various international standards. The European in-house manufacturing processes in ISO 9001:2015-certified facilities, reflect our commitment to maintain the highest quality levels. A testament to this is our policy of 100% Final Acoustical Testing of all acoustic filters.