Experience acoustic imaging at a whole new level. With a 112-mic array and a 2kHz–100kHz ultrasonic range, the H4Mini visualizes everything from gas leaks and vacuum leaks to electrical discharges and mechanical vibrations. Compact, powerful, and built for industry.
See what the human ear never could.

Why FOTRIC H4Mini?
- High-density microphone array with 112 MEMS digital microphones
- Industrial digital camera: 13 MP, 66° × 52° field of view
- ≥ 4 hours of single-battery runtime, removable; device rated IP54
- Multiple imaging modes: single-source, multisource, and holographic
- Multiple capture modes: Holographic image capture and video recording, and time-lapse capture.
- Professional features such as SPL measurement, Acoustic Image Delay (T-FFTD®) and Acoustic Image Focus
- On-device acoustic report generation.

Unique Features
Source Mode Switching
The H4Mini Acoustic Imaging Camera supports multiple image modes, including single-source, multi-source, and holographic views, allowing users to adapt to varying noise complexities and detection targets on-site.

Flexible Capture Modes
The H4Mini camera supports holographic image capture, holographic video recording, and time-lapse capture, enabling inspectors to make comprehensive documentation on-site.

Precise SPL Measurement
Combining holographic imaging and decibel data measurement, the camera is capable of industrial-level sound source tracking and signal diagnosis, enhancing acoustic inspection efficiency and user safety.