The AKG's K92 headphones have a powerful, prolonged low-frequency response that brings kick drums and bass guitars to life. The high-frequency response is detailed yet well balanced, revealing delicacy in vocals, guitars, and acoustic instruments. The K92's 40mm drivers have the highest sensitivity and the largest frequency response of the K52 and K72, resulting in a powerful output that reveals every detail. This audio monitoring also have a low-impedance construction that makes them compatible with a wide range of playback devices, including everything from professional studio gear to portable music players.