The SE-MASTER1 open-air, dynamic headphones will enrich any musical performance without compromise. Experience the fusion between our rich audio design heritage and technological innovation first-hand. With 50 mm driver units and powerful magnetic forces at its core, the SE-MASTER1 brings you as close to the original recording as possible. High-resolution audio playback gives an extra dimension to your music; it adds a sense of reality by expressing both sound and space.