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Etymotic ER4PT (single flange eartips)

See usage instructions for more options and info.

Parametric EQs

In case of using parametric equalizer, apply preamp of -6.9dB and build filters manually with these parameters. The first 5 filters can be used independently. When using independent subset of filters, apply preamp of -7.0 dB.

Type Fc Q Gain
Peaking 20 Hz 0.43 5.9 dB
Peaking 302 Hz 0.71 -2.6 dB
Peaking 1581 Hz 1.11 -3.2 dB
Peaking 5361 Hz 0.59 3.4 dB
Peaking 10550 Hz 1.31 5.3 dB
Peaking 3839 Hz 2.98 1.9 dB
Peaking 4604 Hz 2.15 -1.8 dB
Peaking 7421 Hz 3.12 1.4 dB
Peaking 13571 Hz 2.07 3.9 dB
Peaking 19704 Hz 0.59 -12.0 dB

Fixed Band EQs

In case of using fixed band (also called graphic) equalizer, apply preamp of -7.8dB (if available) and set gains manually with these parameters.

Type Fc Q Gain
Peaking 31 Hz 1.41 6.1 dB
Peaking 62 Hz 1.41 1.1 dB
Peaking 125 Hz 1.41 -0.1 dB
Peaking 250 Hz 1.41 -2.4 dB
Peaking 500 Hz 1.41 -1.2 dB
Peaking 1000 Hz 1.41 -1.4 dB
Peaking 2000 Hz 1.41 -2.1 dB
Peaking 4000 Hz 1.41 2.4 dB
Peaking 8000 Hz 1.41 7.4 dB
Peaking 16000 Hz 1.41 -1.5 dB

Graphs