Short answer: a tie on sound quality. Both are rated 4.5/5 (#75 and #66 of 450 in-ear headphones) at nearly the same price ($39 vs $39), so choose on features and fit.
The case for the Sivga SM100: Twelve hobbyist measurements on squig.link put its preference score at 79.7, with a near neutral tilt and bass sitting within a fraction of a dB of target from 60 to 200 Hz. The catch: Presence between 3 and 6 kHz sits about 2.9 dB under target with a 4.2 dB dip near 3.8 kHz, which softens guitar bite and vocal articulation.
What the Tin HiFi T2 DLC does well: Fifteen hobbyist measurements on squig.link put it at a preference score of 80.4 with a neutral overall tilt. The tradeoff: Sub-bass runs about 2.3 dB below target and 2.7 dB down at 30 Hz, so the deepest bass notes lack weight.
Buy the Sivga SM100 or the Tin HiFi T2 DLC on features: they are rated the same for sound quality at close to the same price.
Looking for alternatives? See the complete Headphones rankings.
Specifications Side By Side
| Sivga SM100 | Tin HiFi T2 DLC | |
|---|---|---|
| Price | $39.00 | $39.00 |
| Ranked | #75 of 450 in In-Ear Headphones | #66 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 80 (median of 13 squig.link measurements, calibrated to AutoEQ) | 80 (median of 15 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.53 dB standard deviation | 1.63 dB standard deviation |
| Tonal Tilt | -0.03 (negative is warmer, positive brighter) | +0.01 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.3 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-2.7 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Dynamic |
| Drivers | 1 x 10mm dynamic | 1 x 10mm dynamic |
| Impedance | 32 ohms | - |
| Sensitivity | 107 dB | - |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) | - |
| Built-in Microphone | Yes | - |
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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
Sivga SM100: $39.00 Amazon eBay
Pros: Twelve hobbyist measurements on squig.link put its preference score at 79.7, with a near neutral tilt and bass sitting within a fraction of a dB of target from 60 to 200 Hz. Upper mids run about 0.8 dB forward, so vocals come through clearly, and a modest air lift of 2.7 dB adds a little sheen. The built-in mic and 32 ohm load suit phone calls and everyday listening.
Cons: Presence between 3 and 6 kHz sits about 2.9 dB under target with a 4.2 dB dip near 3.8 kHz, which softens guitar bite and vocal articulation. Sub-bass slips about 1.8 dB below target, so the deepest bass notes are a touch lighter than the bass focused profile it fits best would suggest.
Full Sivga SM100 review and specifications →
| Back | Closed |
|---|---|
| Built-in Microphone | Yes |
| Connection | Wired |
| Deviation From Target | 1.53 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 80 (median of 13 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 32 ohms |
| Sensitivity | 107 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.3 dB at 30 Hz) |
| Tonal Tilt | -0.03 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Tin HiFi T2 DLC: $39.00 Amazon eBay
Pros: Fifteen hobbyist measurements on squig.link put it at a preference score of 80.4 with a neutral overall tilt. Upper mids sit within 0.1 dB of target and low mids within half a decibel, so voices and guitars come through clean and natural. Treble peaks are gentle, topping out at just 1.4 dB, which keeps it easy on the ears.
Cons: Sub-bass runs about 2.3 dB below target and 2.7 dB down at 30 Hz, so the deepest bass notes lack weight. A sharp 7.7 dB dip near 10.6 kHz removes some cymbal shimmer and air.
Full Tin HiFi T2 DLC review and specifications →
| Released | 2022 (4 years ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 1.63 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dynamic |
| Form Factor | In-ear |
| Harman Preference Score | 80 (median of 15 squig.link measurements, calibrated to AutoEQ) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-2.7 dB at 30 Hz) |
| Tonal Tilt | +0.01 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons