ER4SR Reference
For the Etymotic ER4SR · Reference · AutoEq via OPRA
Neutral
Response curve10 bands · ±9 dB
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Measurement-derived reference tuning for the Etymotic ER4SR. Profile by AutoEQ, measured by crinacle, and distributed through OPRA under CC BY-SA 4.0.
AutoEq via OPRA
Reference source- Profile
- AutoEQ
- Measured by
- crinacle
- Target
- AutoEq default in-ear target
Converted to Spectra filter names; frequency, gain, and Q values are unchanged. The source preamp is replaced by Spectra automatic headroom after response verification.
Parametric bands10 active
| Type | Freq | Gain | Q |
|---|---|---|---|
| Low Shelf | 105 Hz | +6.4 | — |
| Peak | 2.2 kHz | -4.9 | 0.40 |
| Peak | 6.8 kHz | +8.2 | 0.76 |
| Peak | 230 Hz | -1.0 | 1.57 |
| Peak | 869 Hz | +2.8 | 1.79 |
| High Shelf | 10 kHz | +4.1 | — |
| Peak | 9.8 kHz | -2.0 | 4.27 |
| Peak | 73 Hz | +0.7 | 2.67 |
| Peak | 7.3 kHz | -1.4 | 5.98 |
| Peak | 150 Hz | -0.3 | 2.42 |
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