Green-Bronze Type-C — includes 3.5mm + 4.4mm plug

The Story Behind "Defiant"

Z Reviews is a celebrated voice in the HiFi audio world, known for rigorous, honest reviews and meaningful brand collaborations. The Defiant — co-developed with Juzear over six months and six rounds of meticulous sample refinement — is the result of that dedication. The outcome is a sound signature that has earned widespread acclaim from Z Reviews' devoted community and audiophiles across the globe.

The Defiant's next-generation dynamic driver delivers bass that is impactful yet refined — tight, controlled, and remarkably low in distortion. The midrange is tuned for immersive presence, striking a perfect tonal balance between purity and speed, bringing vocals and instruments to life with stunning realism. The treble is smooth and naturally crisp, offering long-session clarity without a hint of fatigue.

Key Features

> 3BA + 1DD Hybrid Driver Configuration

> Tuned in Collaboration with Z Reviews

> High-Precision DLP 3D Printed Ear Shells

> New Mid-Range BA with Micro-Perforation Pressure Relief Design

> 3-Way Crossover with 4 Acoustic Tubes

> Next-Generation Dynamic Driver

> Designer Precision CNC Milled Shell Faceplate with Nickel Metal Accents

> Juzear x Flare Stock Cable (6N SPOCC+SCCW) with Interchangeable Connectors

> Two Exquisite Color Options: Rainbow & Jade Green

Technical Specifications

> Impedance: 32Ω

> Sensitivity: 109dB ±1dB

> Frequency Response Range: 20Hz – 20kHz

> THD+N: ≤0.8%

> Connector Type: 0.78mm 2-Pin

> Termination Plug: 3.5mm + 4.4mm (interchangeable)

Juzear, in collaboration with Zeos from Z Reviews, has crafted a remarkable pair of in-ear monitors — the Juzear x Z Reviews Defiant. Powered by a 1DD+3BA driver setup per side, the Defiant delivers deep, authoritative bass and finely detailed sound across the entire frequency spectrum. It employs a third-generation dynamic driver alongside a newly designed composite mid-frequency BA and a customized high-frequency BA driver. A three-way crossover with a fully damped acoustic structure ensures each driver performs at its peak. A gold-plated PCB crossover circuit further refines the three-frequency division. The Defiant also incorporates a specially developed micro-perforation pressure balance system for a comfortable, secure, all-day fit. Bundled with a premium FLARE IEM upgrade cable — featuring a hybrid 6N SPOCC+SCCW structure with interchangeable termination plugs — the Defiant is as refined in its accessories as it is in its sound.

Four-Driver Hybrid Architecture

The Defiant houses a 4-driver hybrid setup on each side: a third-generation 10mm dynamic driver with PU composite diaphragm and a powerful Neodymium magnet for deep, impactful bass, paired with three customized Balanced Armature drivers for unmatched midrange clarity and exceptional high-frequency extension. The result is a listening experience that is both technically impressive and emotionally engaging.

Three-Way Crossover with Fully Damped Acoustic Tubes

The Defiant features a specially developed three-channel, fully damped acoustic crossover that enhances sound transmission and allows each driver to perform its role without multi-driver distortion. Each acoustic tube is custom-damped for optimized tuning. The 3rd-generation dynamic driver with Carbon-PU composite diaphragm handles the low end, a dual composite BA delivers rich midrange, and a custom-developed BA produces exceptional high-frequency response.

DLP 3D Printed Shell with Precision CNC Milled Faceplate

Crafted with high-precision DLP 3D printed ear shells in skin-friendly resin, the Defiant offers an ergonomic, comfortable fit for extended listening sessions. The CNC-milled faceplates with nickel metal accents give it a distinctive, premium aesthetic. Available in two stunning colorways: Rainbow and Jade Green.

Premium High-Purity Hybrid Stock Cable

The Defiant ships with a FLARE IEM upgrade cable featuring a hybrid 6N SPOCC+SCCW wire core with 70 strands per conductor (280 strands total). It uses 0.78mm two-pin connectors and an interchangeable termination plug system, with both 3.5mm and 4.4mm plugs included.

The Story Behind "Defiant"

Z Reviews is a celebrated voice in the HiFi audio world, having collaborated with numerous brands. The Defiant, co-developed with Juzear, has undergone six rounds of sample adjustments over six months. The result? A sound that has been widely praised not only by Z Reviews' dedicated fanbase but also by audio enthusiasts across the globe.

Thanks to the Defiant's dynamic driver, bass is finely tuned — delivering impactful and tight low-end with exceptional clarity and control, resulting in minimal distortion compared to other IEMs. The midrange is set as an immersive profile, maintaining a perfect tonal balance between purity and speed while enhancing the presence and staging of both vocals and instruments. The treble profile hinges on a smooth delivery, offering naturally crisp clarity without fatigue for an exceptionally enjoyable listening experience.

Specifications

Brand: Juzear | Model: Defiant | Net Weight: 6.1g (per side)

Sensitivity: 109dB ±1dB SPL/mW | Impedance: 32Ω | Frequency Response: 20Hz–20kHz

THD: ≤0.8% | Noise Isolation: 26dB | Drivers: 1DD + 3BA

Plug: 3.5mm + 4.4mm | Interface: 2-Pin (0.78mm) | Cable: 6N SPOCC + SCCW Hybrid