The DT 990 PRO 80 Ohms is an open-back studio headphone designed for professional monitoring, mixing, and critical listening. Its open construction supports a spacious soundstage and detailed audio reproduction suitable for analytical work.

The 80-ohm impedance provides flexible compatibility across studio interfaces and playback devices while maintaining accurate performance characteristics. Built with durable materials and designed for long sessions, the headphone features soft velour ear pads and a robust headband construction.

This B-Stock unit is manufacturer-tested and fully functional according to beyerdynamic standards.

The DT 990 PRO 250 Ohm (B‑Stock) is an open‑back studio headphone built for critical listening, mixing, and precise audio editing. Its open acoustic design delivers a spacious soundstage and detailed audio reproduction, enabling professional evaluation of mixes and recordings. Constructed with durable materials and replaceable ear pads, the DT 990 PRO provides long‑term comfort even during extended sessions. The firm headband ensures stable fit under professional working conditions. Handcrafted in Germany for consistent performance and reliability.

The beyerdynamic DT 900 PRO X is an open-back studio headphone engineered for critical listening, mixing, and mastering applications. It features the STELLAR.45 driver with a 48-ohm impedance, enabling compatibility across a wide range of playback devices while delivering detailed, spacious, and transparent sound. Built with durable materials and designed for comfort, the DT 900 PRO X is manufactured in Germany as part of a sustainable production approach.