We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-23 · 7 min read · Independent comparison
If you want a hybrid-driver wired IEM tuned for detail and a secure ear-hook fit, choose erjigo KZ ZST X; if you need a lightweight, budget-friendly dynamic-driver IEM with easy push-button control for long gaming sessions, choose BZINK KZ EDX PRO.
• erjigo KZ ZST X — biggest strength: A hybrid 1BA+1DD setup (10mm double-magnetic dynamic driver plus a 30095 balanced armature) with a detachable 0.75mm 2-pin silver-plated cable and an ear-hook, noise-isolating silicone tip design.
• erjigo KZ ZST X — biggest trade-off: The ear-hook design and 0.75mm 2-pin system take a little more getting used to, and the 12Ω impedance is unusually low, so it pairs best with a clean source.
• BZINK KZ EDX PRO — biggest strength: A single 10mm dynamic driver with high 112dB sensitivity, an ultra-lightweight ergonomic shell, three sets of eartips, and simple push-button controls.
• BZINK KZ EDX PRO — biggest trade-off: It's a single dynamic driver rather than a hybrid, so it leans toward bass and vocals rather than the fine instrumental separation the ZST X aims for.
• Who each is for: Pick the erjigo KZ ZST X if you want detail-focused audio and a fit that stays put; pick the BZINK KZ EDX PRO if you want light comfort and fuss-free controls for long sessions.
The erjigo KZ ZST X is a wired, in-ear monitor built around a hybrid driver array. A 10mm double-magnetic dynamic unit handles the low end, and a 30095 balanced armature sits at the front of the housing to carry the highs with less loss. In practice, that combination is aimed at listeners who care about separation: electroacoustic music, drum-and-bass, and instrumental tracks where you want each element to sit in its own space rather than blur together. The rated frequency range runs from 20Hz up to 40kHz, which is a wide canvas for a wired IEM.
For gaming, the details matter more than the numbers. The ear-hook shape and the custom cavity modeled on the human auricle are designed to hold the earbud in place while routing the cable out of the way, so nothing tugs at your ear mid-match. The soft silicone tips are described as noise-isolating, which is the passive kind — they physically block external sound by sealing your ear canal rather than generating an anti-noise signal. That's exactly what you want for competitive gaming: fewer distractions from a fan, a keyboard, or a roommate, without any electronics that need charging or introduce latency. The detachable 0.75mm 2-pin cable is a genuine plus here, because a wired connection means no wireless delay and no battery to run dry during a long session, and you can swap the cable later if it wears out.
BZINK KZ EDX PRO: Who It's For
The BZINK KZ EDX PRO is a wired in-ear monitor built around a single 10mm dynamic driver. Where the ZST X splits duties between two driver types, this one asks a single dynamic unit to cover everything, and the tuning reflects that: the description points to richer bass, a wide and thick sound field, and clear vocals. If you mainly game and listen to bass-forward music — shooters with heavy low-end, EDM, hip-hop, cinematic soundtracks — that emphasis is a feature, not a compromise. The 10Hz–20kHz range and 112dB sensitivity make it easy to drive to loud, full volume from a phone, a controller, or a PC jack.
Comfort is clearly the headline here. The shell is made from an ultra-lightweight material with an ergonomic shape, and the package includes three sets of soft eartips so you can dial in the seal for your ear size. A good seal is what makes passive noise isolation actually work, so having multiple tip sizes is more useful than it sounds — it's the difference between a loose fit that leaks outside noise and a snug one that shuts it out. The overall item weight is listed at 88g including the package, and the earpiece itself is described as light enough to wear without pressure over long stretches.
Controls are straightforward: push-button rather than touch, which many people find more predictable when they're mid-game and don't want to guess at a tap. The package includes the cable, two earbuds, three pairs of eartips, and a user manual, and there's a one-year warranty listed. The 3.5mm jack works with iPhone, Android, and PC according to the listing, and the resin-inlaid metal styling gives it a more premium look than a plain plastic shell.
Who should buy it? Gamers and casual listeners who want light comfort, easy controls, a bass-forward signature, and a simple single-driver setup. Who should skip it? If you specifically want hybrid-driver detail, a detachable 2-pin cable you can swap, or an ear-hook fit, the ZST X is the better match.
• Best for detail and instrumental separation → erjigo KZ ZST X (1BA+1DD hybrid, 30095 balanced armature, 20Hz–40kHz).
• Best for bass-forward gaming and music → BZINK KZ EDX PRO (single dynamic driver tuned for richer bass and clear vocals).
• Best for fit security during movement → erjigo KZ ZST X (ear-hook design keeps the earbud in place and the cable out of the way).
• Best for lightweight, pressure-free comfort → BZINK KZ EDX PRO (ultra-lightweight shell, ergonomic shape, three eartip sizes).
• Best for cable maintenance and upgrades → erjigo KZ ZST X (detachable 0.75mm 2-pin system).
• Best for simple, predictable controls → BZINK KZ EDX PRO (push-button rather than touch).
• Best for easy driving from a phone or controller → BZINK KZ EDX PRO (112dB sensitivity, 24Ω impedance).
• Best for a wider frequency canvas → erjigo KZ ZST X (rated to 40kHz vs 20kHz).
Both are wired, both use a 3.5mm jack, and both rely on passive sound isolation through their silicone tips — so neither needs charging, and neither adds wireless latency. The real fork is tuning and fit: hybrid detail with an ear hook, or single-driver warmth with a light, button-controlled shell.
In my opinion, I'd buy the erjigo KZ ZST X. If gaming audio is the priority, the hybrid driver array and the ear-hook, noise-isolating design give you the cleaner separation and the more secure, distraction-free fit I'd want during long sessions — and the detachable 2-pin cable means you can keep it running for years. I'd only steer you to the BZINK KZ EDX PRO if comfort and simple controls matter more to you than detail, or if you prefer a bass-forward signature. Check the current price on Amazon for both before you commit, since that's the one variable that can flip the decision.
what is noise isolation headphones
Noise-isolating headphones reduce outside sound passively by physically sealing your ear canal with soft tips, rather than generating an anti-noise signal like active noise cancellation. Both the erjigo KZ ZST X and BZINK KZ EDX PRO use soft silicone eartips for this kind of passive isolation.
are noise cancelling headphones good for gaming
Active noise cancellation can help block steady background hum, but it adds electronics and can introduce a slight latency or pressure sensation. For competitive gaming, many players prefer passive isolation like these two IEMs, since a good ear seal cuts distractions without any processing delay.
what are the best noise cancelling gaming headphones
There's no single answer, because it depends on whether you want active cancellation or passive isolation. For wired, latency-free gaming with passive isolation, the erjigo KZ ZST X stands out for its hybrid detail and ear-hook fit, while the BZINK KZ EDX PRO stands out for light comfort and easy controls.
are there noise cancelling gaming headphones
Yes, active noise-cancelling gaming headsets exist, but they're not the only option. If you want isolation without batteries or latency, passive in-ear monitors like the KZ ZST X and KZ EDX PRO block external noise through their silicone tips and stay wired to your source.
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See also: SADES Anivia vs hp USB PC Gaming: Noise Isolating Gaming, erjigo KZ ZST X vs goazzzl Sleep Earbuds, ISOtunes Listen Only Ear vs SoundMAGIC E80D: Noise Isolating