Pioneer HRM-7 are professional studio headphones designed for recording and music production. They are full-size closed-back headphones with 40mm drivers, a frequency response of 5 to 40,000Hz, and an impedance of 45 ohms, ensuring you won't lack power when producing if you need it. Finally, they have a sensitivity of 97dB. The headphones are characterized by their acoustic isolation and large earcups, which provide excellent bass response. The cable is detachable, and the headband is non-adjustable. The Pioneer HRM-7 is Pioneer's new offering aimed at gradually entering the music production and professional studio market.