Short answer: the Hidizs MS2 Pro. Both are rated 3.9/5 for sound quality (#305 and #277 of 450 in-ear headphones), and the Hidizs MS2 Pro costs $83.99 against $89 for the Tin HiFi T4, and with sound quality even, the cheaper one is the better buy.
What the Tin HiFi T4 does well: It earns a preference score of 73 in crinacle’s measurement, and across squig.link measurements bass and mids stay within about 1.3 dB of target from 20 Hz to 3 kHz, giving natural voices and well judged bass. The tradeoff: In squig.link measurements a 6.7 dB dip near 10 kHz and about 3 dB less presence from 3 to 6 kHz take some sparkle and edge off cymbals and guitars.
Buy the Hidizs MS2 Pro. Both are rated the same for sound quality, and it costs $5.01 less than the Tin HiFi T4.
Still deciding? The full Headphones rankings cover every ranked option.
Specifications Side By Side
| Hidizs MS2 Pro | Tin HiFi T4 | |
|---|---|---|
| Price | $83.99 | $89.00 |
| Ranked | #305 of 450 in In-Ear Headphones | #277 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 72 (median of 7 squig.link measurements, calibrated to AutoEQ) | 73 (measured by crinacle, via AutoEQ) |
| Deviation From Target | 2.12 dB standard deviation | 2.44 dB standard deviation |
| Tonal Tilt | -0.38 (negative is warmer, positive brighter) | +0.10 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-0.6 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-1.1 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Hybrid (1 dynamic + 1 balanced armature) | Dynamic |
| Drivers | 1 x 10.2mm dynamic + 1 x balanced armature | 1 x 10mm dynamic |
| Impedance | 17 ohms | 32 ohms |
| Sensitivity | 111 dB | 102 dB |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) | 10Hz - 20kHz (Manufacturer specified) |
| Built-in Microphone | No | - |
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Prices on this page were last checked October 11, 2026 at 4:59 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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The Two Headphones In Full
Hidizs MS2 Pro: $83.99 Amazon eBay
Full Hidizs MS2 Pro review and specifications →
| Released | 2025 (1 year ago) |
|---|---|
| Back | Closed |
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 2.12 dB standard deviation |
| Driver Type | Hybrid (1 dynamic + 1 balanced armature) |
| Drivers | 1 x 10.2mm dynamic + 1 x balanced armature |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 72 (median of 7 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 17 ohms |
| Sensitivity | 111 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-0.6 dB at 30 Hz) |
| Tonal Tilt | -0.38 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Tin HiFi T4: $89.00 Amazon eBay
Pros: It earns a preference score of 73 in crinacle’s measurement, and across squig.link measurements bass and mids stay within about 1.3 dB of target from 20 Hz to 3 kHz, giving natural voices and well judged bass. Sub-bass is only about 1 dB down at 30 Hz, so kick drums keep their weight. At 32 ohms and 102 dB it runs from a phone, and it rates level with the Etymotic ER2XR for less money and above the KZ PR1 at a similar price.
Cons: In squig.link measurements a 6.7 dB dip near 10 kHz and about 3 dB less presence from 3 to 6 kHz take some sparkle and edge off cymbals and guitars. Listeners who want a brighter, more vivid top end may find it slightly polite.
Full Tin HiFi T4 review and specifications →
| Released | Nov 2019 (6 years ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 2.44 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 10Hz - 20kHz (Manufacturer specified) |
| Harman Preference Score | 73 (measured by crinacle, via AutoEQ) |
| Impedance | 32 ohms |
| Sensitivity | 102 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.1 dB at 30 Hz) |
| Tonal Tilt | +0.10 (negative is warmer, positive brighter) |
EQ preset to match the Harman target
Set a preamp of -4.2 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 | +2.8 dB | 0.70 |
| Peak | 9,358 Hz | +4.2 dB | 2.59 |
| Peak | 149 Hz | -2.1 dB | 0.84 |
| Peak | 1,877 Hz | -3.4 dB | 2.54 |
| Peak | 3,450 Hz | +4.1 dB | 3.07 |
| High shelf | 10,000 Hz | -0.1 dB | 0.70 |
| Peak | 853 Hz | +1.7 dB | 1.24 |
| Peak | 5,343 Hz | -3.7 dB | 5.41 |
| Peak | 1,332 Hz | -1.5 dB | 2.76 |
| Peak | 6,775 Hz | +1.3 dB | 3.54 |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons