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Type 1603
USB-C Microphone
USB-C Type 1603 Microphone is a light weight USB-based measurement microphone set, weighing only 5.6g, designed for effortless plug-and-play operation. Covering a frequency range from 20 to 10k Hz and supporting a dynamic range of 30 to 105 dBA (combining both left and right channels), it delivers high end performance in a compact form.


The ZX1603 is a compact, USB Type-C digital microphone designed for onsite, plug-and-play use—no external power supply, preamplifier, or interface required. Its miniature form factor and direct connection to smartphones, tablets, and laptops make it ideal for quick checks and professional sound measurements anywhere you go, especially when less than 1 m cable extension is needed.
By pairing ZX1603 with our VoicePrint software, the microphone can be calibrated and used as a portable Class 2 sound measurement front end. Connected via USB-C, it bypasses the limitations of built-in device microphones and transmits high-quality digital audio directly to your device.
Key Features
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USB Type-C plug-and-play connection
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No external power or additional hardware required
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Miniature, lightweight design for onsite convenience
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Class 2 digital audio performance
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Compatible with smartphones, tablets, and computers
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Calibratable using ZXONIC VoicePrint software
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Typical Use Cases
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Quick checks in spaces without traditional SLMs or measurement equipment
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Onsite precision sound measurement and documentation
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Acoustic testing in laboratories, field studies, and R&D environments
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Portable backup front end for consultants and engineers on the move