The Audio-Technica ATH-IM01 ranks #857 out of 909 total In-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
Brand: Audio-Technica
Prices on this page were last checked October 13, 2026 at 3:17 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
As an eBay Partner, we may be compensated if you make a purchase.

#857 Audio-Technica ATH-IM01 Discontinued eBay
Pros: It uses 1 x balanced armature.
Cons: Discontinued, so it is mainly found used. Its 4.40 dB spread from the target means a noticeably uneven response. A Harman score of 39 places it in the lower part of the in-ear rankings.
| Released | Nov 2013 (12 years ago) |
|---|---|
| Connection | Wired |
| Deviation From Target | 4.40 dB standard deviation |
| Driver Type | Balanced armature |
| Drivers | 1 x balanced armature |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 15kHz |
| Harman Preference Score | 39 (measured by crinacle, via AutoEQ) |
| Impedance | 47 ohms |
| Sensitivity | 106 dB/mW |
| Tonal Tilt | -1.04 (negative is warmer, positive brighter) |
| Weight | 0 lbs (5 g) |
EQ preset to match the Harman target
Set a preamp of -6.5 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 | +2.5 dB | 0.70 |
| Peak | 213 Hz | -6.2 dB | 0.39 |
| Peak | 5,295 Hz | +4.4 dB | 0.32 |
| Peak | 2,102 Hz | +2.5 dB | 2.87 |
| Peak | 874 Hz | +1.7 dB | 1.28 |
| High shelf | 10,000 Hz | +4.9 dB | 0.70 |
| Peak | 6,606 Hz | -4.9 dB | 4.77 |
| Peak | 5,050 Hz | +2.5 dB | 1.19 |
| Peak | 7,497 Hz | -2.2 dB | 3.21 |
| Peak | 3,233 Hz | -3.0 dB | 4.93 |
- Reviews, Comparisons and Sound Samples