Short answer: the Rose Technics QT9 MK3. Both are rated 4.5/5 for sound quality (#82 and #83 of 450 in-ear headphones), and the Rose Technics QT9 MK3 costs $280.99 against $299.99 for the Binary Chopin, so with nothing between them on sound quality, price settles it.
Buy the Rose Technics QT9 MK3. Both are rated the same for sound quality, and it costs $19 less than the Binary Chopin.
Looking for alternatives? See the complete Headphones rankings.
Specifications Side By Side
| Binary Chopin | Rose Technics QT9 MK3 | |
|---|---|---|
| Price | $299.99 | $280.99 |
| Ranked | #83 of 450 in In-Ear Headphones | #82 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 80 (median of 3 squig.link measurements, calibrated to AutoEQ) | 80 (median of 3 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.42 dB standard deviation | 1.45 dB standard deviation |
| Tonal Tilt | -0.35 (negative is warmer, positive brighter) | +0.27 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+0.0 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-1.5 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Hybrid (1 dynamic + 4 balanced armature) | Hybrid (1 dynamic + 4 balanced armature) |
| Drivers | 1 x 8mm dynamic + 4 x balanced armature | 1 x 10mm dynamic + 4 x balanced armature |
| Impedance | 12 ohms | 18 ohms |
| Sensitivity | 122 dB/Vrms | 104 dB |
| Built-in Microphone | No | No |
| Frequency Response | - | 20Hz - 20kHz (Manufacturer specified) |
Related Headphone Comparisons
More worthwhile head-to-heads for Rose Technics QT9 MK3:
- Kiwi Ears Orchestra II vs Rose Technics QT9 MK3
- Rose Technics QT9 MK3 vs Sony WF-1000XM6
- Binary Chopin vs Kiwi Ears Orchestra II
- Binary Chopin vs Etymotic EVO
- Tanchjim Soda vs Binary Chopin
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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Headphones In Full
Binary Chopin: $299.99 Hangout Audio eBay
Full Binary Chopin review and specifications →
| Released | Sep 2024 (2 years ago) |
|---|---|
| Back | Closed |
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.42 dB standard deviation |
| Driver Type | Hybrid (1 dynamic + 4 balanced armature) |
| Drivers | 1 x 8mm dynamic + 4 x balanced armature |
| Form Factor | In-ear |
| Harman Preference Score | 80 (median of 3 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 12 ohms |
| Sensitivity | 122 dB/Vrms |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+0.0 dB at 30 Hz) |
| Tonal Tilt | -0.35 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Rose Technics QT9 MK3: $280.99 HiFiGo eBay
Full Rose Technics QT9 MK3 review and specifications →
| Back | Closed |
|---|---|
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.45 dB standard deviation |
| Driver Type | Hybrid (1 dynamic + 4 balanced armature) |
| Drivers | 1 x 10mm dynamic + 4 x balanced armature |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 20kHz (Manufacturer specified) |
| Harman Preference Score | 80 (median of 3 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 18 ohms |
| Sensitivity | 104 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.5 dB at 30 Hz) |
| Tonal Tilt | +0.27 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons


