Short answer: the 7Hz Aero. It ranks #627 of 1291 in-ear headphones by sound quality, rated 3.7/5, at $14.99; the Samsung AKG EO-IG955 ranks #716, rated 3.6/5, at $13.99. Close enough in price that the sound-quality gap is the deciding factor.
Why pick the 7Hz Aero: Across eight hobbyist measurements on squig.link it earns a Harman preference score of 70.6 with a smooth 1.97 dB deviation, an unusually even response for such an inexpensive single 9.2mm dynamic earphone. Watch for: The 10 to 16 kHz air region runs about 5.3 dB above target, and a 5.3 dB peak near 8.4 kHz can make cymbals and sibilance a little splashy on bright recordings.
The case for the Samsung AKG EO-IG955: Measured response gives it a solid Harman preference score of 69 with a 2.36 dB spread, and its mids sit within about 0.8 dB of target, so vocals and instruments sound natural. Watch for: A 5.5 dB peak near 8.2 kHz can make cymbals and sibilance sound sharp.
Buy the 7Hz Aero. It is rated higher for sound quality, and the $1 saving on the Samsung AKG EO-IG955 is not enough to make up the difference.
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Across eight hobbyist measurements on squig.link it earns a Harman preference score of 70.6 with a smooth 1.97 dB deviation, an unusually even response for such an inexpensive single 9.2mm dynamic earphone.
Amazon $14.99 eBay
Measured response gives it a solid Harman preference score of 69 with a 2.36 dB spread, and its mids sit within about 0.8 dB of target, so vocals and instruments sound natural.
Amazon $13.99 eBayPrices on this page were last checked October 16, 2026 at 5:46 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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Specifications Side By Side
| 7Hz Aero | Samsung AKG EO-IG955 | |
|---|---|---|
| Price | $14.99 | $13.99 |
| Ranked | #627 of 1291 in In-Ear Headphones | #716 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | - |
| Harman Preference Score | 71 (median of 8 squig.link measurements, calibrated to AutoEQ) | 69 (measured by oratory1990, via AutoEQ) |
| Deviation From Target | 1.97 dB standard deviation | 2.36 dB standard deviation |
| Tonal Tilt | -0.81 (negative is warmer, positive brighter) | -0.48 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+2.8 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+0.2 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Dynamic |
| Drivers | 1 x 9.2mm dynamic | 1 x 11mm dynamic + 1 x 8mm dynamic |
| Impedance | - | 32 ohms |
| Frequency Response | - | 20Hz - 20kHz |
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