Short answer: a tie on sound quality. Both are rated 4.0/5 (#95 and #110 of 481 over-ear headphones) at nearly the same price ($199.99 vs $199), so choose on features and fit.
The case for the Beyerdynamic DT 770 Pro: A preference score of 82 in oratory1990’s measurement reflects a lively closed-back sound with extra low end: sub-bass is about 3.4 dB above target, which adds weight to kick drums and bass lines. The catch: A 7.8 dB dip near 3.75 kHz pulls back vocal presence, while a 5 dB peak near 8.1 kHz and treble about 2.6 dB above target make cymbals and S sounds sharp.
The case for the HIFIMAN Deva Pro: A preference score of 81 with a deviation of 2.2 dB in oratory1990’s measurement shows a smooth, slightly warm response with the midrange close to target. The tradeoff: Sub-bass is about 7.5 dB under target, so deep bass lacks rumble.
Buy the Beyerdynamic DT 770 Pro or the HIFIMAN Deva Pro on features: they are rated the same for sound quality at close to the same price.
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A preference score of 82 in oratory1990’s measurement reflects a lively closed-back sound with extra low end: sub-bass is about 3.4 dB above target, which adds weight to kick drums and bass lines.
Amazon $199.99 eBay
A preference score of 81 with a deviation of 2.2 dB in oratory1990’s measurement shows a smooth, slightly warm response with the midrange close to target.
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Specifications Side By Side
| Beyerdynamic DT 770 Pro | HIFIMAN Deva Pro | |
|---|---|---|
| Price | $199.99 | $199.00 |
| Ranked | #95 of 481 in Over-Ear Headphones | #110 of 481 in Over-Ear Headphones |
| Form Factor | Over-ear | Over-ear |
| Harman Preference Score | 82 (measured by oratory1990, via AutoEQ) | 81 (measured by oratory1990, via AutoEQ) |
| Deviation From Target | 2.31 dB standard deviation | 2.18 dB standard deviation |
| Tonal Tilt | -0.19 (negative is warmer, positive brighter) | -0.38 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+3.5 dB at 30 Hz) | Falls 6 dB below target at 42 Hz (-8.8 dB at 30 Hz) |
| Connection | Wired | Wireless and wired |
| Back | Closed | Open |
| Driver Type | Dynamic | Planar magnetic |
| Impedance | 80 ohms | 18 ohms |
| Sensitivity | 96 dB SPL | 93.5 dB |
| Frequency Response | 5Hz - 35kHz (Manufacturer specified) | 20Hz - 20kHz (Manufacturer specified) |
| Weight | - | 0.8 lbs (360 g) |
| Built-in Microphone | - | No |
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 Beyerdynamic DT 770 Pro from gadgetrytech, kuulokenurkka, sai and superreview; the HIFIMAN Deva Pro from auricularesargentina, cammyfi, gadgetrytech and kuulokenurkka, all via squig.link.
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