Short answer: the Aune AR5000 MK2. It ranks #136 of 481 over-ear headphones by sound quality, rated 3.9/5, at $339. The FiiO FT13 ranks #210, rated 3.7/5, at $329.99, $9.01 cheaper, which does not close the gap in sound quality.
The case for the Aune AR5000 MK2: Hobbyist measurements give it a Harman preference score of 80.3 with only 2.0 dB of deviation from target, so the overall balance is close to what most listeners prefer. The catch: The open back leaks sound and blocks no outside noise, so it is a home headphone rather than one for commutes or shared offices.
Why pick the FiiO FT13: Closed back, with bass and sub-bass about 1.5 dB above target and a solid 30 Hz extension, so it isolates well and delivers weighty, warm low end. The tradeoff: An 8.7 dB dip near 4 kHz pulls back presence, so vocals and guitar attack can sound veiled, and the 6 to 10 kHz treble also runs nearly 3 dB low.
Buy the Aune AR5000 MK2. It is rated higher for sound quality, and saving $9.01 with the FiiO FT13 does not make up for the sound-quality gap.
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Hobbyist measurements give it a Harman preference score of 80.3 with only 2.0 dB of deviation from target, so the overall balance is close to what most listeners prefer.
Amazon $339.00 eBay
Closed back, with bass and sub-bass about 1.5 dB above target and a solid 30 Hz extension, so it isolates well and delivers weighty, warm low end.
Amazon $329.99 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
| Aune AR5000 MK2 | FiiO FT13 | |
|---|---|---|
| Price | $339.00 | $329.99 |
| Ranked | #136 of 481 in Over-Ear Headphones | #210 of 481 in Over-Ear Headphones |
| Form Factor | Over-ear | Over-ear |
| Harman Preference Score | 80 (median of 4 squig.link measurements, calibrated to AutoEQ) | 74 (median of 4 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 2.02 dB standard deviation | 2.06 dB standard deviation |
| Tonal Tilt | -0.47 (negative is warmer, positive brighter) | -0.83 (negative is warmer, positive brighter) |
| Sub-bass Extension | Falls 6 dB below target at 27 Hz (-5.2 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+1.8 dB at 30 Hz) |
| Connection | Wired | Wired |
| Back | Open | Closed |
| Driver Type | Dynamic | Dynamic |
| Drivers | 1 x 50mm dynamic | 1 x 60mm dynamic |
| Impedance | 28 ohms | 32 ohms |
| Sensitivity | 112 dB SPL at 1kHz/1Vrms | 98 dB/mW |
| Frequency Response | 5Hz - 43.5kHz (Manufacturer specified) | 7Hz - 40kHz (Manufacturer specified) |
| Weight | - | 0.8 lbs (356 g) |
Frequency Response Compared
Both headphones’ measurements overlaid on the Harman target. Above the target sounds louder in that range, below it quieter. Each curve is the median of several independent measurements, shifted so its 500 Hz to 2 kHz average sits at 0 dB, so only the tuning is compared.
Measurement data: the Aune AR5000 MK2 from aden, elrics, kr0mka and sai; the FiiO FT13 from aden, gadgetrytech, sai and superreview, all via squig.link.
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