Sennheiser HD 400 PRO Headphones 100028381 The result of years of

The result of years of research and development

Furman's advanced advanced Series Multi-Stage Protection keeps your sensitive digital equipment from acting funny or burning up due to everyday spikes and surges

Expandable Outputs - 2 Expansion slots are available for additional output interface cards (common to HDCU-1000)

120/Drive (10 ports)

AES/EBU (Consumer

Sennheiser HD 400 PRO Headphones 100028381 The result of years ofSennheiser HD 400 PRO Professional Studio Reference Headphones When working at home or in the studio, you need your mix to sound as it does when your listeners hear it. The HD 400 PRO reference headphones are your everyday tool to get the job done. Its open back design provides a natural and accurate listening experience for fine tuning your signature sound. The core of the HD 400 PRO is the 120 ohm transducer developed by Sennheiser engineers,