Simgot Audio EA500LM (red nozzle) EQ settings
Parametric EQ correction for the Simgot Audio EA500LM (red nozzle), derived from measurements by crinacle. It moves the measured frequency response toward a neutral target.
How the Audio EA500LM (red nozzle) sounds before EQ
Measured against a neutral target, the Audio EA500LM (red nozzle) comes out near-neutral. It already tracks the target closely, so the correction is polish rather than surgery.
The treble region, cymbals, sibilance and sparkle, sits about 1.4 dB behind neutral, so cymbals sound blunted.
Two things are true here at once. The broad tonal balance is close to the target: average any whole region and nothing is more than 1.4 dB out. But the correction still contains a 2.3 dB move around 9.3 kHz, narrow enough that it barely shifts the regional average. A move like that changes the character of one part of the sound without tilting the balance of the whole.
These figures are read from the correction itself: whatever the EQ lifts, the headphone lacked, and whatever it cuts, the headphone had too much of. The target is the community's neutral reference, and how far above 10 kHz you can trust any measurement varies by rig. More near-neutral models.
The correction curve
The solid line is the full measured correction (all 10 filters). The dashed line is what Atrium applies: the same shape at 65 percent strength, capped at 6 dB per band, so the headphone keeps its own character instead of being forced flat.
What the EQ fixes
Summed across every filter, these are the changes the correction actually makes, largest first:
- Around 9.3 kHz the correction lifts the treble by 2.3 dB, over a medium-width band about 0.6 octaves wide.
- Around 775 Hz the correction lifts the middle of the mids by 2.2 dB, over a medium-width band about 1.2 octaves wide.
- Around 160 Hz the correction cuts the upper bass by 1.8 dB, over a medium-width band about 1.4 octaves wide.
The preamp of -2.3 dB offsets the boosts so nothing clips at full volume.
Parametric EQ settings
Preamp: -2.3 dB (prevents clipping from the boosts below)
| # | Type | Frequency | Gain | Q |
|---|---|---|---|---|
| 1 | Low shelf | 105 Hz | +1.5 dB | 0.70 |
| 2 | Peaking | 810 Hz | +3.1 dB | 0.76 |
| 3 | Peaking | 150 Hz | -2.2 dB | 0.62 |
| 4 | Peaking | 9.39 kHz | +3.0 dB | 1.75 |
| 5 | Peaking | 1.84 kHz | -1.7 dB | 0.64 |
| 6 | High shelf | 10 kHz | -1.5 dB | 0.70 |
| 7 | Peaking | 41 Hz | -0.2 dB | 2.17 |
| 8 | Peaking | 3.83 kHz | +0.7 dB | 4.40 |
| 9 | Peaking | 5 kHz | -1.1 dB | 5.88 |
| 10 | Peaking | 6.28 kHz | +0.9 dB | 5.99 |
This is the full measured correction in AutoEq format. It pastes straight into Equalizer APO or Peace on Windows, and into most parametric EQ apps. Enter every row, including the ones that cut. The fitting process is free to use large opposing filters that cancel down to a small net change, so a single large gain here does not mean a large change to the sound. The curve above is what the whole set does together.
How to use these settings
Manually: enter the preamp and each filter into any parametric EQ. On Windows that is usually Equalizer APO with the Peace interface. On a Mac, eqMac or SoundSource. Set the type, frequency, gain and Q exactly as listed.
With Atrium: pick your Audio EA500LM (red nozzle) in the app and it applies a tuned version of this correction: 65 percent strength with a 6 dB per-band cap, which fixes the rough spots without erasing what the headphone does well. Atrium also measures how you hear with a short listening test and layers your personal hearing profile on top. Two people with the same headphones do not hear the same sound. Headphone corrections are part of Signature Edition; the app itself is free.
Audio EA500LM (red nozzle) vs other Simgot models
Bass and treble are each model's average distance from the neutral target in that range. Positive means more than neutral, negative means less.
| Model | Signature | Bass vs neutral | Treble vs neutral |
|---|---|---|---|
| Audio EA500LM (red nozzle) (this page) | near-neutral | -0.0 dB | -0.5 dB |
| Audio EW200 | near-neutral | +0.1 dB | -0.7 dB |
| Audio EW100P | near-neutral | -0.3 dB | -0.5 dB |
Headphones that sound similar
Closest matches across all 4,332 measured models, by distance between their deviation curves. Useful if you like how the Audio EA500LM (red nozzle) is tuned and want alternatives.