Design And Build Your Modular Headphones. Everyone has a distinct taste in music. Shouldn’t our headphones be built to embrace these differences? Introducing Soundscapes: Soundscapes are three specifically engineered speaker units—Pure, Deep, and Core—suited to match your listening preferences. Combine our foldable and detachable headbands, soft headband inserts, and cables together with your chosen Soundscape to create your personalized Axel Audio experience.