Short answer: a tie on sound quality. Both are rated 3.6/5 (#699 and #703 of 1291 in-ear headphones) at nearly the same price ($129.95 vs $129.99), so choose on features and fit.
Why pick the Beats Fit Pro: In hobbyist measurements on squig.link the response tracks the Harman target evenly, with a 2.2 dB standard deviation and upper mids within 1 dB, so vocals sound clear and natural for neutral leaning listeners. The catch: Bass sits 3 to 5 dB below target from 20 to 200 Hz, so pop and hip hop sound lighter than on bass focused earbuds.
The case for the Kinera Celest Phoenixcall: The median of 16 hobbyist measurements gives it a solid Harman preference score of 69 with a 2.38 dB spread. The tradeoff: A 6.1 dB peak near 1.5 kHz can make cymbals and sibilance sound sharp.
Buy the Beats Fit Pro or the Kinera Celest Phoenixcall on features: they are rated the same for sound quality at close to the same price.
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In hobbyist measurements on squig.link the response tracks the Harman target evenly, with a 2.2 dB standard deviation and upper mids within 1 dB, so vocals sound clear and natural for neutral leaning listeners.
Amazon $129.95 eBay
The median of 16 hobbyist measurements gives it a solid Harman preference score of 69 with a 2.38 dB spread.
Amazon $129.99 eBayPrices on this page were last checked October 16, 2026 at 5:46 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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Specifications Side By Side
| Beats Fit Pro | Kinera Celest Phoenixcall | |
|---|---|---|
| Price | $129.95 | $129.99 |
| Ranked | #699 of 1291 in In-Ear Headphones | #703 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 69 (median of 1 squig.link measurements, calibrated to AutoEQ) | 69 (median of 16 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 2.20 dB standard deviation | 2.38 dB standard deviation |
| Tonal Tilt | +0.78 (negative is warmer, positive brighter) | -0.06 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-4.0 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-1.1 dB at 30 Hz) |
| Connection | True wireless | Wired |
| Weight | 0 lbs (5.6 g) per earbud | 0 lbs (9.8 g) |
| Active Noise Cancelling | Yes | - |
| Battery Life | 6 hours (24 with case, ANC on, Manufacturer specified) | - |
| Bluetooth Version | 5.0 | - |
| Bluetooth Codecs | SBC, AAC | - |
| Built-in Microphone | Yes | - |
| IP Rating | IPX4 | - |
| Driver Type | - | Tribrid |
| Drivers | - | 1 x dynamic + 2 x balanced armature + 2 x 6mm planar |
| Impedance | - | 32 ohms |
| Frequency Response | - | 20Hz - 40kHz (Manufacturer specified) |
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