• Audiometric version according to DIN 45 620
• For aural-acoustical analysis and measurements for ENT doctors, universities and research centres
• Hight-quality transducer elements, selected in pairs
• Maximum frequency deviation of +/- 1 dB
• Colour coded left/right designation
• Effective suppression of ambient noise
• Supra-aural rubber ear caps
• Straight open-ended cable fixed to the headphone

Beyerdynamic DT48 A.00 Closed Dynamic Headphones Specifications

• Transducer type:  Dynamic
• Operating principle:  Closed
• Weight without cable:  400 g
• Frequency response:  16 - 20,000 Hz
• Nominal impedance acc. to IEC 60268-7:  5 Ù ± 10% per cartridge
• Nominal SPL acc. to IEC 60268-7:  110 dB SPL (500 Hz, 1 mW at 5 Ù)
• Nominal THD acc. to IEC 60268-7:  < 1%
• Sound coupling to the ear:  Supra-aural
• Ambient noise isolation:  12 dB (A)
• Average pressure on ear acc. to IEC 60268-7:  5 N
• Variant:   DT 48 E / 25 Ohm, DT 48