Short answer: the Moondrop Kato. It ranks #127 of 450 in-ear headphones by sound quality, rated 4.3/5, at $99.99; the Moondrop Concerto ranks #190, rated 4.2/5, at $99.99. With prices this close, go by the sound-quality ranking rather than the cost.
Buy the Moondrop Kato. It is rated higher for sound quality than the Moondrop Concerto at the same price, so only choose the other one for a particular feature it does better.
Want more options? Browse the full Headphones rankings.
Specifications Side By Side
| Moondrop Kato | Moondrop Concerto | |
|---|---|---|
| Price | $99.99 | $99.99 |
| Ranked | #127 of 450 in In-Ear Headphones | #190 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 78 (median of 34 squig.link measurements, calibrated to AutoEQ) | 76 (median of 9 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.70 dB standard deviation | 1.74 dB standard deviation |
| Tonal Tilt | -0.14 (negative is warmer, positive brighter) | -0.21 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-2.2 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-2.5 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Hybrid (1 planar magnetic + 1 xMEMS) |
| Drivers | 1 x 10mm dynamic | 1 x 13mm planar magnetic + 1 x xMEMS solid-state |
| Impedance | 32 ohms | - |
| Sensitivity | 123 dB/Vrms | - |
| Frequency Response | 10Hz - 45kHz (Manufacturer specified) | 20Hz - 20kHz (Manufacturer specified) |
| Built-in Microphone | No | Yes |
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- Moondrop Kato vs ZhuLinNiao Z4
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
Moondrop Kato: $99.99 Amazon eBay
Full Moondrop Kato review and specifications →
| Released | Sep 2021 (5 years ago) |
|---|---|
| Back | Closed |
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.70 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 10Hz - 45kHz (Manufacturer specified) |
| Harman Preference Score | 78 (median of 34 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 32 ohms |
| Sensitivity | 123 dB/Vrms |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-2.2 dB at 30 Hz) |
| Tonal Tilt | -0.14 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Moondrop Concerto: $99.99 Amazon eBay
Full Moondrop Concerto review and specifications →
| Back | Closed |
|---|---|
| Built-in Microphone | Yes |
| Connection | Wired |
| Deviation From Target | 1.74 dB standard deviation |
| Driver Type | Hybrid (1 planar magnetic + 1 xMEMS) |
| Drivers | 1 x 13mm planar magnetic + 1 x xMEMS solid-state |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 20kHz (Manufacturer specified) |
| Harman Preference Score | 76 (median of 9 squig.link measurements, calibrated to AutoEQ) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-2.5 dB at 30 Hz) |
| Tonal Tilt | -0.21 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons