The Sennheiser HD 25 closed back headphones are considers to be the industry standard for professional DJ’s. The HD 25’s have an excellent sound reproduction, and are extremely comfortable to wear for long hours as they feature a light-weight, slim headband. For DJ’s the key feature is the split headband design, that allows one ear monitoring. The HD 25 headphones are equally useful for professional camera personal, location sound and studio recording too.