The AKG K 44 is a closed-back, over-ear headphone. It features a lightweight design with an adjustable headband for comfort. The headphones have a frequency range of 18Hz to 20kHz, providing a wide range of audio reproduction. The K 44 has a nominal impedance of 32 ohms and a maximum input power of 200mW. It is equipped with a single-sided cable for convenience and has a 3.5mm plug for compatibility with various audio devices.