Selection of AMPs according to the measured characteristics under the parameters of the amplifier and the enviropment

Headphones

Ultrasone PRO 900

109.98 dB/V SPL, 44.18 ohm
Closed IEM

Low impedance close
126 dB/V SPL, 16 ohm Examples ±6 dB >> IEM

Low impedance open
120 dB/V SPL, 32 ohm Examples ±6 dB >> Over-ear

Low impedance close
115 dB/V SPL, 32 ohm Examples ±6 dB >> Over-ear

Low impedance open
115 dB/V SPL, 32 ohm Examples ±6 dB >> Over-ear

Hi impedance open
105 dB/V SPL, 300 ohm Examples ±6 dB >> Over-ear

Low Sensitivity open
95 dB/V SPL, 60 ohm Examples ±6 dB >>

Place of use

Home or studio, where sound from the headphones does not bother anyone

Office and home, where people should not hear the sound from the headphones

Street with active traffic

Metro (subway), public transport

Recording a voice or instrument in the studio

A home or studio where noise isolation is not important

Headphones

Source

Place of use and additional settings