Sennheiser HD 400 Pro Reference Headphones

Sennheiser HD 400 Pro Studio Reference Headphones

Engineered for professional studio work, the Sennheiser HD 400 Pro headphones are ideal for recording, editing, mixing, and mastering. Their open-back design and angled transducer layout provide a wide, natural soundstage, replicating the optimal listening environment of top-tier studios. With a 120-ohm polymer-blend diaphragm and high-power drive magnet, the HD 400 Pro delivers deep, clear audio with precise distortion control, making them perfect for critical listening sessions.

Designed for comfort and long-term use, these headphones feature lightweight construction and soft velour earpads. A versatile cable assortment—including a 1.8m straight cable, a 3m coiled cable, and a 3.5–6.3mm adapter—ensures compatibility with multiple devices and setups.

Features:

• Open-back circumaural design for accurate and natural listening
• 120-ohm polymer-blend transducer diaphragm with high-power drive magnet for detailed, deep sound
• Angled transducer design and open earcups expand soundstage for professional-level monitoring
• Lightweight, durable construction with velour earpads for comfort during extended sessions
• Includes 1.8m straight cable, 3m coiled cable, and 3.5–6.3mm adapter for versatile connectivity
• Detachable cables for convenience and easy replacement

Technical Specifications:

• Type: Wired
• Open/Closed: Open
• Fit Style: Circumaural (Around the Ear)
• Frequency Response: 6 Hz – 38 kHz
• Impedance: 120 Ω
• Connectivity: 1/8" plug, 1/4" adapter included
• Cable Type: Coiled and straight, detachable
• Cable Length: 9.8 ft (coiled), 5.9 ft (straight)
• Color: Black
• Material: Velour earpads
• Weight: 0.52 lbs