Headphones & Earphones
Sony MDR-M1
Sony MDR-M1, Studio Headphones, For mixing and mastering, Newly developed HD driver supports 3D audio, Circumaural, Closed-back, Dynamic, Frequency range: 5 Hz - 80,000 Hz, Impedance: 50 ohm, Max. sound pressure level: 102 dB/mW, Driver size: 40 mm,...
https://www.bizrate.co.uk/headphones_earphones/sony-mdr-m1-oid34483865494.html