Sennheiser HD 400 PRO studio headphones

The Sennheiser HD 400 PRO open-back studio headphones deliver neutral, precise reference sound for mixing and mastering. Lightweight with velour pads, 120Ω dynamic drivers, angled transducers for wide soundstage and dual cables (straight + coiled) ensure comfort and accuracy during long sessions.

The Sennheiser HD 400 PRO is a professional open-back studio reference headphone engineered for critical mixing, mastering and monitoring in home or professional studios. Its 120Ω dynamic transducers, angled for optimal ear alignment, reproduce a wide, transparent soundstage with low distortion even at high SPLs (110 dB), ensuring your mix translates exactly as intended. The lightweight, open-ear design with soft velour earpads provides exceptional comfort over extended sessions, while the open-back architecture enhances spatial accuracy and natural ambience. Included are both a single-sided coiled cable for studio mobility and a straight cable for portable use, both terminating in a 3.5mm plug (with 6.3mm adapter).

Key Features:

• Neutral, accurate sound reproduction for professional mixing and mastering
• Open-back design with angled 120Ω dynamic transducers for spacious, low-distortion soundstage
• Lightweight construction with velour earpads for all-day comfort
• Dual cables: single-sided coiled (for studio) and straight (for travel)
• High SPL handling (110 dB at 1 kHz / 1 V RMS) with minimal harmonic distortion
• 3.5 mm connector with 6.3 mm adapter included
• Durable, professional-grade build for daily studio use