Short answer: the FiiO EH11. It ranks #97 of 216 over-ear headphones by sound quality, rated 3.8/5, at $29.99; the Koss KPH30i ranks #104, rated 3.7/5, at $29.99. Close enough in price that the sound-quality gap is the deciding factor.
Why pick the Koss KPH30i: A very low price makes it an easy disposable or backup pair, and the 60 ohm, 101 dB sensitivity runs from any phone. Watch for: Sub-bass is nearly 12 dB under target below 60 Hz, so there is no rumble and deep bass is essentially missing.
Buy the FiiO EH11. It is rated higher for sound quality than the Koss KPH30i at the same price, which makes it the one to get unless you need something the other one does better.
Still deciding? The full Headphones rankings cover every ranked option.
Specifications Side By Side
| FiiO EH11 | Koss KPH30i | |
|---|---|---|
| Price | $29.99 | $29.99 |
| Ranked | #97 of 216 in Over-Ear Headphones | #104 of 216 in Over-Ear Headphones |
| Form Factor | Over-ear | Over-ear |
| Harman Preference Score | 78 (median of 3 squig.link measurements, calibrated to AutoEQ) | 76 (measured by oratory1990, via AutoEQ) |
| Deviation From Target | 2.46 dB standard deviation | 2.62 dB standard deviation |
| Tonal Tilt | +0.30 (negative is warmer, positive brighter) | -0.38 (negative is warmer, positive brighter) |
| Sub-bass Extension | Falls 6 dB below target at 42 Hz (-10.7 dB at 30 Hz) | Falls 6 dB below target at 50 Hz (-13.9 dB at 30 Hz) |
| Connection | Wireless | Wired |
| Back | Semi-open | Open |
| Driver Type | Dynamic | Dynamic |
| Drivers | 1 x 40mm dynamic | 1 x 35mm dynamic |
| Impedance | 16 ohms | 60 ohms |
| Weight | 0.2 lbs (92 g) | - |
| Frequency Response | 17Hz - 40kHz (Manufacturer specified) | 15Hz - 25kHz (Manufacturer specified) |
| Battery Life | 30 hours (Manufacturer specified) | - |
| Bluetooth Version | 6.0 | - |
| Bluetooth Codecs | SBC, AAC, LDAC | - |
| Built-in Microphone | Yes | Yes |
| Active Noise Cancelling | No | - |
| Sensitivity | - | 101 dB SPL/1mW |
Related Headphone Comparisons
More top alternatives to FiiO EH11:
- Superlux HD 660 Pro 150 Ohm vs FiiO EH11
- FiiO EH11 vs Superlux HD 681
- Koss KPH30i vs Superlux HD 681
- Superlux HD 660 Pro 150 Ohm vs Koss KPH30i
- Koss KPH30i vs Koss KPH40
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
FiiO EH11: $29.99 Wireless Amazon eBay
Full FiiO EH11 review and specifications →
| Released | 2026 (this year) |
|---|---|
| Active Noise Cancelling | No |
| Back | Semi-open |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 6.0 |
| Built-in Microphone | Yes |
| Connection | Wireless |
| Deviation From Target | 2.46 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 40mm dynamic |
| Form Factor | Over-ear |
| Frequency Response | 17Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 78 (median of 3 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 16 ohms |
| Sub-bass Extension | Falls 6 dB below target at 42 Hz (-10.7 dB at 30 Hz) |
| Tonal Tilt | +0.30 (negative is warmer, positive brighter) |
| Weight | 0.2 lbs (92 g) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Koss KPH30i: $29.99 Amazon eBay
Pros: A very low price makes it an easy disposable or backup pair, and the 60 ohm, 101 dB sensitivity runs from any phone. It has an inline microphone for calls and the open on-ear design is light and airy. Bass from 60 Hz to the upper mids stays within about 0.6 dB of the Harman target, which gives a fairly balanced core.
Cons: Sub-bass is nearly 12 dB under target below 60 Hz, so there is no rumble and deep bass is essentially missing. An 11.8 dB dip near 4.2 kHz makes vocals and detail recede, and treble from 3 to 10 kHz is about 2.8 dB low. The open back leaks sound and offers no isolation, so it suits quiet rooms only.
Full Koss KPH30i review and specifications →
| Back | Open |
|---|---|
| Built-in Microphone | Yes |
| Connection | Wired |
| Deviation From Target | 2.62 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 35mm dynamic |
| Form Factor | Over-ear |
| Frequency Response | 15Hz - 25kHz (Manufacturer specified) |
| Harman Preference Score | 76 (measured by oratory1990, via AutoEQ) |
| Impedance | 60 ohms |
| Sensitivity | 101 dB SPL/1mW |
| Sub-bass Extension | Falls 6 dB below target at 50 Hz (-13.9 dB at 30 Hz) |
| Tonal Tilt | -0.38 (negative is warmer, positive brighter) |
EQ preset to match the Harman target
Set a preamp of -6.3 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 | +6.8 dB | 0.70 |
| Peak | 109 Hz | -4.7 dB | 0.47 |
| Peak | 2,979 Hz | +1.7 dB | 0.18 |
| Peak | 1,956 Hz | -4.1 dB | 2.01 |
| Peak | 49 Hz | +2.5 dB | 2.08 |
| High shelf | 10,000 Hz | +0.1 dB | 0.70 |
| Peak | 5,070 Hz | -5.0 dB | 5.22 |
| Peak | 3,844 Hz | +2.9 dB | 5.95 |
| Peak | 6,348 Hz | +2.6 dB | 5.99 |
| Peak | 502 Hz | +0.3 dB | 1.44 |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons