Sennheiser HD 400 PRO｜Open-Back Reference Headphones for Ultimate Authenticity in Mixing
Natural and Transparent, Accurately Reproducing Your Sonic Signature
Whether you're working at home or in a professional studio, you want your mix to be faithfully presented to the listener. The Sennheiser HD 400 PRO is an open-back design headphone created specifically for mixing, mastering, and critical listening, providing an extremely natural and accurate listening experience to help you fine-tune your unique sound signature. Its lightweight design and soft velour earpads ensure comfort even during long sessions. These professional monitoring headphones are the most reliable partner for all creators who pursue sound quality and precision.
To achieve ultimate precision, the HD 400 PRO features an angled transducer design that minimizes distortion even at high sound pressure levels, delivering a wide, transparent, and accurate soundstage. The open-earcup design recreates the transparency of an optimal listening position, giving you more confidence in your mixing decisions. These studio headphones faithfully reproduce every detail of the sound, ensuring your work translates perfectly on any playback system.
Product Features
- Neutral Sound Reproduction: As a professional tool, it provides accurate, uncolored sound, faithfully presenting your mix as it is.
- Wide and Transparent Soundstage: The angled transducers and open-earcup design create a wide, precise stereo image, allowing for clearer judgment of the spatial arrangement of sounds.
- Comfort for Long Sessions: The lightweight construction combined with soft velour earpads is designed for long mixing and monitoring sessions, providing a pressure-free wearing experience.
- Dual Cable Configuration: Includes a 3-meter coiled cable and a 1.8-meter straight cable, which can be interchanged for different work scenarios, offering maximum operational flexibility.
What's in the Box
Technical Specifications
THINK2's Three Guarantees
- Fast Shipping: In-stock items are shipped within 24 hours on business days.
- Professional Tech Support: Our audio engineers provide consultation on installation, authorization, compatibility, and basic setup.
- Complete Warranty & After-Sales: Manufacturer's warranty plus THINK2 customer support.
※ Shipping times are calculated based on business days; delays may occur due to public holidays or force majeure events. The actual warranty terms are subject to the manufacturer's official announcement; THINK2 provides integration and handling assistance.
THINK2 Warranty and Return Policy
- Enjoy the manufacturer's warranty and THINK2 after-sales service with a valid proof of purchase and product serial number.
- DOA / Non-Artificial Defects: Within 7 days of purchase, a return or exchange for a new product can be processed after inspection and confirmation.
- Exclusions: Does not apply to man-made damage, unauthorized disassembly or modification, consumable parts, natural disasters/force majeure, use beyond specified limits, or failure to follow instructions.
- Application Process: Contact customer service during business hours and follow instructions to properly package and ship the item back.
- Service Area: Primarily Taiwan; shipping times and costs for outlying islands/overseas are subject to actual logistics standards.
THINK2 Warranty & Support
- Fast Shipping: In-stock items will be shipped within 24 business hours.
- Professional Technical Support: Our certified audio engineers provide consultation for installation, licensing, compatibility, and setup.
- Comprehensive Warranty & After-Sales Service: Includes both manufacturer warranty and THINK2 customer support.
※ Shipping times are calculated based on business days. Actual warranty follows the manufacturer’s policy. THINK2 provides integration and support assistance.
THINK2 Warranty & Return Policy
- With valid proof of purchase and product serial number, customers are entitled to manufacturer warranty and THINK2 after-sales service.
- DOA / Non-human defects: Within 7 days of purchase, after verification, customers may request return or replacement.
- Exclusions: Damages from misuse, unauthorized modification, consumable parts, natural disasters, or improper use beyond instructions.
- Application Process: Contact customer service during business hours for return instructions.
- Service Coverage: Taiwan region primarily; overseas based on logistics standards.
