The Lychas HS-G550 by Genius, which uses a 50mm Neodymium driver. It uses a 3.5mm, gold plated connection with a 2.5 m cable. This delivers a frequency response of 20Hz~20KHz and a sensitivity of 102dB ± 3dB. It also has a omni-directional microphone with a frequency response of 100Hz~10KHz and a sensitivity of -56dB ± 3dB.
The 50mm neodymium driver units generate unbelievable deep bass.
For the ear cups, there is an individual volume control for each one. Lychas also has an in-line control box with a master volume control and microphone mute function