Grell Audio OAE2: An Excellent Headphone on Most Heads, Exceptional on the Right Head 6 August 2026 in homepage, reviews, headphones TAGGED IN : grell-audio , headphones , open-ear , dynamic-driver , bio-cellulose , axel-grell Rating: ★★★★★ Axel Grell’s second coming, with better bass and much better comfort — and measurements that show why reviewers disagree about its lower treble.
