MASTER THE SOUND - for precision listening, mixing and mastering. These high quality open headphones are best for mixing and mastering. They sound so transparent. The K712 PROs are reference, open, over-ear headphones for precise listening, mixing and mastering. The over-ear design guarantees maximum wearing comfort for fatigue-free mixing and mastering, while providing spacious and airy sound without any compromise. Their precise powerful sound results from improved low-end performance by 3dB. Being hand-crafted in Austria, the K712 PROs represent the high quality and legendary design AKG is known for.