Short answer: a tie on sound quality. Both are rated 4.2/5 (#303 and #259 of 1291 in-ear headphones), so choose on features and fit.
What the Craft Ears Omnium does well: A broadly balanced tuning with a preference score of 76 against the Harman target. Watch for: The rating reflects sound quality only; comfort, build and noise isolation are not part of the score.
What the Letshuoer Sonata does well: A tribrid flagship with isobaric dynamic woofers that measures well (score 77) with a tight 1.54 dB spread from the target. The catch: Very expensive for a score that budget IEMs match, and treble sits about 2.2 dB below target.
Buy the Craft Ears Omnium or the Letshuoer Sonata on features: they are rated the same for sound quality at close to the same price.
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A broadly balanced tuning with a preference score of 76 against the Harman target.
Craft Ears eBay
A tribrid flagship with isobaric dynamic woofers that measures well (score 77) with a tight 1.54 dB spread from the target.
Letshuoer $2,300.00 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
| Craft Ears Omnium | Letshuoer Sonata | |
|---|---|---|
| Price | €2,490 | $2,300.00 |
| Ranked | #303 of 1291 in In-Ear Headphones | #259 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 76 (median of 9 squig.link measurements, calibrated to AutoEQ) | 77 (median of 6 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.77 dB standard deviation | 1.54 dB standard deviation |
| Tonal Tilt | -0.29 (negative is warmer, positive brighter) | -0.69 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+2.6 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+1.7 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Tribrid | Tribrid |
| Drivers | 1 x 9.2mm dynamic + 1 x 10mm planar + 5 x balanced armature | 2 x isobaric dynamic + 4 x balanced armature + 4 x electrostatic |
| Impedance | 12 ohms | 22 ohms |
| Frequency Response | 8Hz - 40kHz (Manufacturer specified) | - |
| Sensitivity | - | 102 dB SPL/mW |
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 Craft Ears Omnium from animagus, audioamigo, ducbloke, eliseaudio, enemyspider, jaytiss, koi, theaudiostore and vsg; the Letshuoer Sonata from audioamigo, hbb, iemocean, practiphile, superreview and tonedeafmonk, all via squig.link.
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