When it comes to audio, the brand ‘Sennheiser’ carries a lot of value. They are well known among the audio community as a company that offers products with a focus on pure audio quality. They have both consumer and studio-grade products, and the HD 400 Pro open-back headphones belong to the latter. It is a budget-friendly, reference-style pair of headphones that are designed for studio-grade listening. Here is our review of its features and audio quality. Continue reading “Sennheiser HD400 Open-back Studio headphones Review”