Beyerdynamic AT 1350 A closed, dynamic headphone is designed for the use with audiometers. It is used for aural-acoustic investigations and measurements. Due to the closed design of the headphone, ambient noise inefficiently attenuated. The efficient Tesla transducers ensure every good reproduction of the measured results. The rightleft identification with coloured rings meets the standards.The comfortable, replaceable ear pads and the flexible headband ensure ultimate comfort and an absolutely secure fit. The pivoting ear cups (90) allow listening with one ear. The single-sided, straight connecting cable comes with bare ends. Features Supraaural, lightweight and robust design Tesla Technology with highest efficiency Perfect for aural-acoustical measurements Colour coded rightleft designation red blue Excellent attenuation of ambient noise Flexible split headband 90