Short answer: the DITA Mecha. It ranks #382 of 1291 in-ear headphones by sound quality, rated 4.0/5, at $899; the Effect Audio Perseus ranks #498, rated 3.9/5, and costs $999, which makes this an easy call rather than a real tradeoff.
Why pick the DITA Mecha: Hobbyist measurements on squig.link put its preference score at 73.6 with a smooth 1.75 dB deviation, so no single band pulls far from a natural balance. The tradeoff: A 4.7 dB dip near 6.3 kHz sits right beside a 5.2 dB peak near 8 kHz, so cymbals and sibilants can sound slightly uneven, recessed one moment and sharp the next.
What the Effect Audio Perseus does well: A broadly balanced tuning with a preference score of 73 against the Harman target. The tradeoff: Treble about 4 dB below target from 3 to 10 kHz, which can sound dull or veiled next to brighter headphones.
Buy the DITA Mecha. It is rated higher for sound quality than the Effect Audio Perseus and costs less, so only choose the other one for a particular feature it does better.
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Hobbyist measurements on squig.link put its preference score at 73.6 with a smooth 1.75 dB deviation, so no single band pulls far from a natural balance.
Bloom Audio $899.00 eBay
A broadly balanced tuning with a preference score of 73 against the Harman target.
Effect Audio $999.00 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
| DITA Mecha | Effect Audio Perseus | |
|---|---|---|
| Price | $899.00 | $999.00 |
| Ranked | #382 of 1291 in In-Ear Headphones | #498 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 74 (median of 8 squig.link measurements, calibrated to AutoEQ) | 73 (median of 4 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.75 dB standard deviation | 1.86 dB standard deviation |
| Tonal Tilt | -0.53 (negative is warmer, positive brighter) | -0.76 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+2.0 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+0.8 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Hybrid (2 dynamic + 2 balanced armature + 4 planar magnetic + 1 bone conduction) |
| Drivers | 1 x 10mm dynamic | 2 x 8mm dynamic + 2 x balanced armature + 4 x planar magnetic + 1 x bone conduction |
| Impedance | 32 ohms | - |
| Sensitivity | 113 dB SPL/V | - |
| Frequency Response | 20Hz - 20kHz (Manufacturer specified) | - |
| 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 DITA Mecha from atechreviews, bloomaudio, eliseaudio, jaytiss, obodio, superreview, tonedeafmonk and zerostresslevel; the Effect Audio Perseus from bloomaudio, ducbloke, precog and superreview, all via squig.link.
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