STRAX announced the release of a line of audiophile-grade true wireless headphones by the new brand grell. The brand, developed with world-renowned sound engineer and headphone designer Axel Grell, will be an online-exclusive brand with products sold direct to consumers. grell is a new brand developed within, and owned by, STRAX. The new in-ear headphones, designed to deliver superior audio-quality, are the first product in the series to be released. The product will initially be marketed to consumers who seek a high-end listening experience in North America, Germany and the UK, but will be available online globally.