Audio Testers

MTP120C

MTP120C
MTP120C

Audio Tester

The MTP120C is an integrated device that combines an Audio Signal Generator and Signal Analyzer. It can generate tone signals in the 20 Hz to 20 kHz range with 0.1 Hz resolution. The Signal Analyzer can measure the frequency response, tone level, and distortion (SNR, SINAD, THD, etc.) of the input tone signal.

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Benefits and Key Features

  • The MTP120C is a dedicated audio measurement device specifically developed to evaluate audio performance.
    It integrates both an Audio Signal Generator and a Signal Analyzer, capable of generating tone signals from 20 Hz to 20 kHz with 0.1 Hz resolution. The Signal Analyzer measures Frequency Response, Tone Level, and Distortion parameters such as SNR, SINAD, and THD.


  • Integrated Signal Generator and Signal Analyzer in a single device
  • Simplified audio performance testing with simultaneous measurement of frequency, tone level, SNR, THD, and SINAD
  • Convenient remote control system for flexible operation
  • Compact size and lightweight design for easy portability and on-site testing
  • Analysis Software 
  • Provides a user-friendly GUI for port configuration and generator/analyzer control
  • Supports signal analysis in both time domain and frequency domain