The iBasso IT01S ranks #46 out of 68 total In-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
Brand: iBasso
Prices on this page were last checked October 10, 2026 at 5:37 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.
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#46 iBasso IT01S: $89.95 Amazon eBay
Pros: A Harman score of 66 in Crinacle’s measurement shows the tuning lands reasonably close to what most listeners prefer. The 16 ohm impedance and 109 dB/mW sensitivity mean a phone can drive it to loud levels. At 8 g per earbud with a 10mm dynamic driver, it is a light, simple wired set.
Cons: Deviation from the target averages 2.84 dB, so the response is not especially smooth. Without an inline microphone it cannot be used for calls, and the KZ PR1 has a higher rating.
| Back | Closed |
|---|---|
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 2.84 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 10Hz - 43kHz (Manufacturer specified) |
| Harman Preference Score | 66 (measured by crinacle, via AutoEQ) |
| Impedance | 16 ohms |
| Sensitivity | 109 dB/mW |
| Tonal Tilt | -0.22 (negative is warmer, positive brighter) |
| Weight | 0 lbs (8 g) per earbud |
EQ preset to match the Harman target
Set a preamp of -3.7 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 | 169 Hz | -4.1 dB | 0.49 |
| Peak | 918 Hz | +3.6 dB | 1.10 |
| Peak | 9,169 Hz | +3.5 dB | 2.61 |
| Peak | 3,523 Hz | +2.8 dB | 4.61 |
| High shelf | 10,000 Hz | +0.4 dB | 0.70 |
| Peak | 5,075 Hz | -6.1 dB | 5.81 |
| Peak | 6,349 Hz | +3.1 dB | 5.89 |
| Peak | 4,021 Hz | +2.0 dB | 5.78 |
| Peak | 2,467 Hz | -0.5 dB | 5.37 |
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