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The KZ DUET are dynamic IEM in-ear monitors designed for both Hi-Fi listening and gaming. They feature a dual dynamic driver architecture (Quad-Core Dual Dynamic Driver Units) consisting of a long-excursion driver dedicated to low frequencies and a dynamic driver handling the midrange and treble, combined with an acoustic crossover for precise frequency distribution. With an impedance of 25Ω, a sensitivity of 110dB/mW (@1kHz), and a frequency response ranging from 20Hz to 40kHz, the KZ DUET deliver powerful, detailed, and balanced sound reproduction. This version features a USB-C connection with a built-in DSP offering four sound modes, dual high-definition condenser microphones optimized for calls and online gaming, and a 120 ± 5cm silver-plated cable. Their ergonomic semi-in-ear design ensures excellent comfort during extended listening or gaming sessions.

The KZ DUET feature an acoustic architecture based on two independent dynamic drivers. A dedicated long-excursion driver is specifically designed to reproduce low frequencies, while a second dynamic driver handles the midrange and treble. Combined with a precision acoustic crossover, these two drivers work together to deliver deep, impactful bass, natural vocals, and detailed high frequencies, making them equally suitable for music and gaming.


This USB-C version integrates a high-performance DSP sound card that allows users to select from four sound profiles directly through the USB-C connection. Music Balanced and Bass Boost modes optimize tonal balance or enhance bass performance for music, while Standard Gaming and Immersive Gaming modes improve the perception of gunshots, footsteps, spatial positioning, and ambient sounds, providing greater immersion in games, especially FPS titles.
The KZ DUET feature dual condenser microphones with two 6mm capsules, providing a sensitivity of approximately -26dB, superior to that of conventional microphones. This design enhances voice pickup while reducing background noise, ensuring clear communication during calls and multiplayer gaming sessions. Their angled semi-in-ear design reduces pressure on the ear canal while providing a secure and comfortable fit, even during prolonged use.

Technical Specifications
| Specifications | |
|---|---|
| Product type | In-ear monitors |
| Impedance | 25 ohm |
| Sensitivity | 110dB/mW @ 1KHz |
| Frequency response | 20Hz-40KHz |
| Connector | 3.5mm Jack / USB-C |
| Cable length | 120±5cm |
| Cable material | Silver-plated copper |
| General | |
|---|---|
| Color | Black |
| Package | 1x KZ DUET 1x 3.5mm Jack to USB-C adapter Anti-slip covers 1x Set of anti-slip and sound-isolating ear tips |
| Color | Black |
| Impedance (Ω) | 25 |
| Efficiency / Sensitivity (dB) | 110 |
| Wireless | No |
| Cable termination | Jack 3.5mm |
| Cable termination | USB-C |
| Headphone / Earphone connector | CIEM |
| Phone call feature | Yes |
| Noise reduction | No |