Short answer: a tie on sound quality. Both are rated 3.6/5 (#726 and #769 of 1291 in-ear headphones) at nearly the same price ($74.99 vs $72.99), so choose on features and fit.
Why pick the KZ AS10 Pro: An inexpensive all balanced armature IEM with five drivers per side. Watch for: Treble sits about 2.0 dB above target, so it can sound bright.
What the TRN VX does well: A budget hybrid with one dynamic driver and six balanced armatures. The tradeoff: Bass sits about 2.2 dB below target, so it sounds lean.
Buy the KZ AS10 Pro or the TRN VX 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.
An inexpensive all balanced armature IEM with five drivers per side.
Amazon $74.99 eBay
A budget hybrid with one dynamic driver and six balanced armatures.
Shenzhenaudio $72.99 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.
As an eBay Partner, we may be compensated if you make a purchase.
Specifications Side By Side
| KZ AS10 Pro | TRN VX | |
|---|---|---|
| Price | $74.99 | $72.99 |
| Ranked | #726 of 1291 in In-Ear Headphones | #769 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Connection | Wired | Wired |
| Driver Type | Balanced Armature | Hybrid |
| Drivers | 5 x balanced armature | 1 x 10mm dynamic + 6 x balanced armature |
| Impedance | 26 ohms | 22 ohms |
| Sensitivity | 109 dB | 107 dB/mW |
| Harman Preference Score | 69 (median of 7 squig.link measurements, calibrated to AutoEQ) | 68 (median of 6 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.94 dB standard deviation | 2.38 dB standard deviation |
| Tonal Tilt | +0.35 (negative is warmer, positive brighter) | +0.52 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+2.0 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-2.3 dB at 30 Hz) |
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 KZ AS10 Pro from bassyalexander, enemyspider, melatonin, musicafe, silicagel, soundcheck39 and vortexreviews; the TRN VX from bedrock, bryaudioreviews, eplv, melatonin, musicafe and pw, all via squig.link.
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