Short answer: the CCA Xyrra. It ranks #733 of 1291 in-ear headphones by sound quality, rated 3.6/5, at $24.99; the KZ EDX Ultra ranks #871, rated 3.4/5, at $24.99. With prices this close, go by the sound-quality ranking rather than the cost.
The case for the CCA Xyrra: A very cheap hybrid with a dynamic driver and a balanced armature. The catch: Bass sits about 3.2 dB above target, a bass heavy balance.
Why pick the KZ EDX Ultra: Bass is lifted about 3.2 dB with extension to 20 Hz, giving kick drums and bass lines extra weight. The catch: Presence sits about 3.1 dB low with a 6.8 dB dip near 6.7 kHz, so vocals and instruments lose some bite.
Buy the CCA Xyrra. It is rated higher for sound quality than the KZ EDX Ultra at the same price, so only choose the other one for a particular feature it does better.
Looking for alternatives? See the complete Headphones rankings.
A very cheap hybrid with a dynamic driver and a balanced armature.
Amazon $24.99 eBay
Bass is lifted about 3.2 dB with extension to 20 Hz, giving kick drums and bass lines extra weight.
Amazon $24.99 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
| CCA Xyrra | KZ EDX Ultra | |
|---|---|---|
| Price | $24.99 | $24.99 |
| Ranked | #733 of 1291 in In-Ear Headphones | #871 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Connection | Wired | Wired |
| Driver Type | Hybrid | Dynamic |
| Drivers | 1 x 10mm dynamic + 1 x balanced armature | 1 x 10mm dynamic |
| Impedance | 27 ohms | 26 ohms |
| Harman Preference Score | 69 (median of 7 squig.link measurements, calibrated to AutoEQ) | 66 (median of 13 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 2.20 dB standard deviation | 2.40 dB standard deviation |
| Tonal Tilt | -0.52 (negative is warmer, positive brighter) | -0.75 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+1.5 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+0.0 dB at 30 Hz) |
| Frequency Response | - | 20Hz - 40kHz (Manufacturer specified) |
Frequency Response Compared
Both headphones’ measurements overlaid on the Harman target. Above the target sounds louder in that range, below it quieter. Each curve is the median of several independent measurements, shifted so its 500 Hz to 2 kHz average sits at 0 dB, so only the tuning is compared.
Measurement data: the CCA Xyrra from ducbloke, eplv, jaytiss, practiphile, pw, soundcheck39 and tdl; the KZ EDX Ultra from aftersound, ankramutt, bassyalexander, harpo, ianfann, jacstone, lown-fi, precog, pw, rg, soundcheck39, soundignity and vortexreviews, all via squig.link.
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