Short answer: a tie on sound quality. Both are rated 4.4/5 (#111 and #124 of 450 in-ear headphones) at nearly the same price ($39.99 vs $39.99), so choose on features and fit.
What the CCA Pianist does well: The median of 11 squig.link measurements shows a smooth 1.32 dB spread and a preference score of 78.6, with no dip deeper than 1.8 dB anywhere from 1.5 to 12 kHz. Watch for: Sub-bass, bass and low mids all sit 1.4 to 1.8 dB below target, so it sounds a bit lean and lacks warmth and slam on bass-heavy music.
Buy the CCA Pianist or the Moondrop Space Travel 2 Ultra on features: they are rated the same for sound quality at close to the same price.
Still deciding? The full Headphones rankings cover every ranked option.
Specifications Side By Side
| CCA Pianist | Moondrop Space Travel 2 Ultra | |
|---|---|---|
| Price | $39.99 | $39.99 |
| Ranked | #111 of 450 in In-Ear Headphones | #124 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 79 (median of 11 squig.link measurements, calibrated to AutoEQ) | 78 (median of 4 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.32 dB standard deviation | 1.69 dB standard deviation |
| Tonal Tilt | +0.44 (negative is warmer, positive brighter) | +0.06 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+0.2 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-2.9 dB at 30 Hz) |
| Connection | Wired | True wireless |
| Driver Type | Hybrid (1 dynamic + 2 balanced armature) | Planar magnetic |
| Drivers | 1 x 10mm dynamic + 2 x balanced armature | 1 x 13mm planar magnetic |
| Impedance | 18 ohms | - |
| Sensitivity | 106 dB | - |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) | - |
| Active Noise Cancelling | - | Yes |
| Battery Life | - | 7 hours (24 with case, Manufacturer specified) |
| Bluetooth Version | - | 6.0 |
| Bluetooth Codecs | - | SBC, AAC, LDAC |
| Built-in Microphone | - | Yes |
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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
CCA Pianist: $39.99 Linsoul eBay
Pros: The median of 11 squig.link measurements shows a smooth 1.32 dB spread and a preference score of 78.6, with no dip deeper than 1.8 dB anywhere from 1.5 to 12 kHz. Upper mids sit 1 dB above target, so vocals, piano and acoustic guitar sound clear and forward. A 3.7 dB air lift adds detail, and the 18 ohm, 106 dB load runs easily from a phone.
Cons: Sub-bass, bass and low mids all sit 1.4 to 1.8 dB below target, so it sounds a bit lean and lacks warmth and slam on bass-heavy music. Its slightly bright tilt and a 4.3 dB peak near 8.1 kHz can make sibilant recordings sharper than usual.
Full CCA Pianist review and specifications →
| Released | Aug 2023 (3 years ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 1.32 dB standard deviation |
| Driver Type | Hybrid (1 dynamic + 2 balanced armature) |
| Drivers | 1 x 10mm dynamic + 2 x balanced armature |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 79 (median of 11 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 18 ohms |
| Sensitivity | 106 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+0.2 dB at 30 Hz) |
| Tonal Tilt | +0.44 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Moondrop Space Travel 2 Ultra: $39.99 TWS Amazon eBay
Full Moondrop Space Travel 2 Ultra review and specifications →
| Released | Aug 2025 (1 year ago) |
|---|---|
| Active Noise Cancelling | Yes |
| Back | Closed |
| Battery Life | 7 hours (24 with case, Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 6.0 |
| Built-in Microphone | Yes |
| Connection | True wireless |
| Deviation From Target | 1.69 dB standard deviation |
| Driver Type | Planar magnetic |
| Drivers | 1 x 13mm planar magnetic |
| Form Factor | In-ear |
| Harman Preference Score | 78 (median of 4 squig.link measurements, calibrated to AutoEQ) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-2.9 dB at 30 Hz) |
| Tonal Tilt | +0.06 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons