KZ ZSX

★★★★☆ 4.2 (39)

The hybrid 1 dynamic and 5 balanced armature driver array delivers a detailed soundstage with a wide 7Hz-40kHz frequency range, while the zinc alloy and resin build provides a durable, lightweight 31g body. Its detachable 0.75mm 2-pin cable system offers long-term versatility and the ergonomic low-profile shape ensures stable comfort. This IEM is best for budget-conscious audiophiles who want to analyze complex musical passages without investing in high-end monitoring gear.

form factor in-ear
driver type hybrid
KZ ZSX earbuds
39 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

  • Strong sound (100th percentile) 100th
  • Strong comfort (72nd percentile) 72nd

Cons

  • Below average connectivity (14th percentile)
  • Below average anc (32nd percentile)
  • Below average build (35th percentile)

The proof

Performance

Performance Percentiles

Anc 31.6
Mic 43
Build 34.6
Sound 99.5
Battery 47.1
Comfort 71.6
Connectivity 13.7
Social Proof 46.5

Specifications

Full Specifications

Design

Form Factor in-ear
Wearing Style in-ear
Ear Tips S, M, L
Weight 0.2 kg / 0.4 lbs

Audio

Driver Type hybrid
Drivers 6
Freq Min 7
Freq Max 40000
Impedance 24
Sensitivity 111
Hi-Res Audio Yes
Codecs in-Ear Monitors, KZ ZSX 1DD+5BA Hybrid HiFi Stereo Noise Isolating Sport IEM Earphones/Earbuds/Headphones with Detachable Cable(with MIC, Black)

Noise Control

ANC No

Earbud Battery

Charging proprietary

Microphone

Microphone Yes

Features

Bone Conduction No

vs Competition

Spec KZ ZSX Technics EAH-AZ100 EAH-AZ100-K Sony WF-1000XM6 Bose QuietComfort Ultra 896637-0020 JBL Live Beam JBLLIVEBEAM3SILAM EarFun Air Pro TW230B
Form Factor in-ear in-ear in-ear in-ear in-ear in-ear
Driver Type hybrid dynamic dynamic dynamic dynamic dynamic
Wireless - true true true true true
Active Noise Cancellation false true true true true true
Bluetooth Version - 5.3 5.3 5.3 5.3 5.4
Battery Life Hours - 8 8 6 12 9.5
Case Battery Hours - 28 24 18 36 40
Water Resistance - IPX4 IPX4 IPX4 IP55 IP55
Multipoint - true true true true true
Compare Compare Compare Compare Compare
Product AncMicBuildSoundBatteryConnectivitySocial Proof
KZ ZSX 31.64334.699.547.113.746.5
Technics EAH-AZ100 EAH-AZ100-K Compare 97.397.280.79981.699.180.3
Sony WF-1000XM6 Compare 97.399.880.788.678.497.980.3
Bose QuietComfort Ultra 896637-0020 Compare 97.391.280.796.747.197.989.6
JBL Live Beam JBLLIVEBEAM3SILAM Compare 97.397.291.881.990.896.289.6
EarFun Air Pro TW230B Compare 90.197.291.889.387.993.289.6

Price

Value & Pricing

From MX$1,411 1 offer across 1 retailer
Amazon.com.mx 1 offer From MX$1,411

We started tracking prices for this product on Jul 14, 2026. The chart appears once we have more data.

Usage Scores

Calls (24.8)Music (42.2)Overall (38.5)Budget (49.1)Gaming (34.4)Travel (27.8)Commute (26.5)Fitness (26.2)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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