The Sennheiser IE 400 Pro ranks #834 out of 865 total In-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
Brand: Sennheiser
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#834 Sennheiser IE 400 Pro: $399.00 Amazon $399.00 eBay
Pros: Bass is lifted about 3.1 dB with extension to 20 Hz, giving kick drums and bass lines extra weight. Lower mids sit within about 0.5 dB of target, keeping voices and guitars natural. It uses 1 x 7mm dynamic with an easy 16 ohm load.
Cons: Presence sits about 7.3 dB low with a 9.1 dB dip near 3.2 kHz, so vocals and instruments lose some bite. A 6.8 dB peak near 9.3 kHz can make cymbals and sibilance sound sharp. A Harman score of 43 places it in the lower part of the in-ear rankings.
| Released | 2019 (7 years ago) |
|---|---|
| Connection | Wired |
| Deviation From Target | 4.11 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 7mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 6Hz - 19kHz |
| Harman Preference Score | 43 (measured by oratory1990, via AutoEQ) |
| Impedance | 16 ohms |
| Sensitivity | 123 dB/Vrms |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+0.9 dB at 30 Hz) |
| Tonal Tilt | -1.37 (negative is warmer, positive brighter) |
EQ preset to match the Harman target
Set a preamp of -6.7 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by AutoEQ from its measured frequency response.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -3.1 dB | 0.70 |
| Peak | 197 Hz | -5.1 dB | 0.58 |
| Peak | 3,014 Hz | +6.7 dB | 1.03 |
| Peak | 69 Hz | +1.3 dB | 1.31 |
| Peak | 817 Hz | +1.6 dB | 1.65 |
| High shelf | 10,000 Hz | -0.6 dB | 0.70 |
| Peak | 9,443 Hz | -3.1 dB | 1.87 |
| Peak | 5,994 Hz | +3.2 dB | 5.96 |
| Peak | 4,181 Hz | +1.2 dB | 5.25 |
| Peak | 5,155 Hz | -1.5 dB | 5.99 |
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