Short answer: the Moondrop Space Travel. Both are rated 4.3/5 for sound quality (#129 and #137 of 450 in-ear headphones), and the Moondrop Space Travel costs $29.99 against $34.99 for the 7Hz Elua Ultra, with sound quality a draw, the lower price decides it.
Buy the Moondrop Space Travel. Both are rated the same for sound quality, and it costs $5 less than the 7Hz Elua Ultra.
Still deciding? The full Headphones rankings cover every ranked option.
Specifications Side By Side
| 7Hz Elua Ultra | Moondrop Space Travel | |
|---|---|---|
| Price | $34.99 | $29.99 |
| Ranked | #137 of 450 in In-Ear Headphones | #129 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 78 (median of 9 squig.link measurements, calibrated to AutoEQ) | 78 (median of 22 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.42 dB standard deviation | 1.55 dB standard deviation |
| Tonal Tilt | -0.64 (negative is warmer, positive brighter) | -0.26 (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 (-2.6 dB at 30 Hz) |
| Connection | Wired | True wireless |
| Driver Type | Dynamic | Dynamic |
| Drivers | 1 x 10mm dynamic + 1 x 8mm dynamic | 1 x 13mm dynamic |
| Impedance | 19 ohms | - |
| Sensitivity | 108 dB/V | - |
| Frequency Response | 10Hz - 20kHz (Manufacturer specified) | - |
| Built-in Microphone | No | Yes |
| Active Noise Cancelling | - | Yes |
| Battery Life | - | 4 hours (12 with case, Manufacturer specified) |
| Bluetooth Version | - | 5.3 |
| Bluetooth Codecs | - | SBC, AAC |
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How Moondrop Space Travel compares with other leading options:
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- 7Hz Elua Ultra vs Kiwi Ears Cadenza
- 7Hz Elua Ultra vs KZ Vader Pro
- 7Hz Elua Ultra vs KZ ZS12 Pro 2
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
7Hz Elua Ultra: $34.99 Amazon eBay
Full 7Hz Elua Ultra review and specifications →
| Released | Jul 2025 (1 year ago) |
|---|---|
| Back | Closed |
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.42 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dynamic + 1 x 8mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 10Hz - 20kHz (Manufacturer specified) |
| Harman Preference Score | 78 (median of 9 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 19 ohms |
| Sensitivity | 108 dB/V |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+2.2 dB at 30 Hz) |
| Tonal Tilt | -0.64 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Moondrop Space Travel: $29.99 TWS Amazon eBay
Full Moondrop Space Travel review and specifications →
| Released | Jul 2023 (3 years ago) |
|---|---|
| Active Noise Cancelling | Yes |
| Back | Closed |
| Battery Life | 4 hours (12 with case, Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Connection | True wireless |
| Deviation From Target | 1.55 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 13mm dynamic |
| Form Factor | In-ear |
| Harman Preference Score | 78 (median of 22 squig.link measurements, calibrated to AutoEQ) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-2.6 dB at 30 Hz) |
| Tonal Tilt | -0.26 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons