The HD681 is a flat frequency response professional monitor headphone.

The sound field of the three headphones can be compared to the HD681, which is dancing with the singer on the stage. The HD681F is like the VIP seat in the front row, and the HD681B is like being in the middle of the concert hall with depth of field and space. These three headphones are not only unique but also deliver excellent balance and crystal-clear details. Comfortable earmuffs with a lightweight, self-adjusting headband structure. Whether you're listening, mixing, listening to MP3s or enjoying music, you can expect the HD681 series to bring you comfort and precise sound.