Short answer: the ZiiGaat Luna. It ranks #149 of 450 in-ear headphones by sound quality, rated 4.3/5, at $322.15. The Binary EP321 ranks #181, rated 4.2/5, at $309.99, $12.16 cheaper, a saving that is not big enough to make up the sound-quality gap.
Buy the ZiiGaat Luna. It is rated higher for sound quality, and saving $12.16 with the Binary EP321 does not make up for the sound-quality gap.
Want more options? Browse the full Headphones rankings.
Specifications Side By Side
| ZiiGaat Luna | Binary EP321 | |
|---|---|---|
| Price | $322.15 | $309.99 |
| Ranked | #149 of 450 in In-Ear Headphones | #181 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 77 (median of 20 squig.link measurements, calibrated to AutoEQ) | 77 (median of 3 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.67 dB standard deviation | 1.61 dB standard deviation |
| Tonal Tilt | -0.30 (negative is warmer, positive brighter) | -0.46 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.4 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-0.7 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Balanced armature | Hybrid (1 dynamic + 1 passive radiator + 3 balanced armature + 1 MEMS) |
| Drivers | 6 x balanced armature | 1 x 10mm dynamic + 1 x 6mm passive radiator + 3 x balanced armature + 1 x MEMS |
| Impedance | 26 ohms | 13 ohms |
| Sensitivity | 103 dB | 122 dB SPL/V |
| Frequency Response | 20Hz - 32kHz (Manufacturer specified) | 8Hz - 40kHz (Manufacturer specified) |
| Built-in Microphone | No | No |
| Weight | - | 0 lbs (7.5 g) |
Related Headphone Comparisons
How ZiiGaat Luna compares with other leading options:
- Melody Wings Neptune vs ZiiGaat Luna
- ZiiGaat Luna vs ZiiGaat Nuo
- Binary EP321 vs ZiiGaat Horizon
- Binary EP321 vs Tanchjim x Effect Audio Force
- Kiwi Ears Orchestra Lite vs Tanchjim x Effect Audio Force
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
ZiiGaat Luna: $322.15 Amazon eBay
Full ZiiGaat Luna review and specifications →
| Released | Jun 2025 (1 year ago) |
|---|---|
| Back | Closed |
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.67 dB standard deviation |
| Driver Type | Balanced armature |
| Drivers | 6 x balanced armature |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 32kHz (Manufacturer specified) |
| Harman Preference Score | 77 (median of 20 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 26 ohms |
| Sensitivity | 103 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.4 dB at 30 Hz) |
| Tonal Tilt | -0.30 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Binary EP321: $309.99 Amazon eBay
Full Binary EP321 review and specifications →
| Released | Feb 2026 (8 months ago) |
|---|---|
| Back | Closed |
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.61 dB standard deviation |
| Driver Type | Hybrid (1 dynamic + 1 passive radiator + 3 balanced armature + 1 MEMS) |
| Drivers | 1 x 10mm dynamic + 1 x 6mm passive radiator + 3 x balanced armature + 1 x MEMS |
| Form Factor | In-ear |
| Frequency Response | 8Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 77 (median of 3 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 13 ohms |
| Sensitivity | 122 dB SPL/V |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-0.7 dB at 30 Hz) |
| Tonal Tilt | -0.46 (negative is warmer, positive brighter) |
| Weight | 0 lbs (7.5 g) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons