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Etymotic ER4PT (triple flange eartips)

See usage instructions for more options and info.

Parametric EQs

In case of using parametric equalizer, apply preamp of -6.6dB and build filters manually with these parameters. The first 5 filters can be used independently. When using independent subset of filters, apply preamp of -6.6 dB.

Type Fc Q Gain
Peaking 31 Hz 0.47 6.4 dB
Peaking 3838 Hz 0.35 -3.4 dB
Peaking 6801 Hz 2.79 -4.1 dB
Peaking 8322 Hz 0.66 7.2 dB
Peaking 19029 Hz 0.29 5.8 dB
Peaking 234 Hz 1.8 -0.8 dB
Peaking 868 Hz 1.63 1.3 dB
Peaking 1768 Hz 0.59 -0.8 dB
Peaking 3089 Hz 3.52 1.6 dB

Fixed Band EQs

In case of using fixed band (also called graphic) equalizer, apply preamp of -9.7dB (if available) and set gains manually with these parameters.

Type Fc Q Gain
Peaking 31 Hz 1.41 6.8 dB
Peaking 62 Hz 1.41 3.5 dB
Peaking 125 Hz 1.41 0.9 dB
Peaking 250 Hz 1.41 -0.7 dB
Peaking 500 Hz 1.41 0.1 dB
Peaking 1000 Hz 1.41 -0.3 dB
Peaking 2000 Hz 1.41 -2.5 dB
Peaking 4000 Hz 1.41 -1.1 dB
Peaking 8000 Hz 1.41 4.5 dB
Peaking 16000 Hz 1.41 9.3 dB

Graphs