OmniMic 40k Präzisionsmesssystem

The Dayton Audio OmniMic 40k is a powerful and precise all-in-one acoustic measurement system, perfect for optimizing audio systems at any level. Featuring a durable USB omnidirectional microphone capable of calibrated measurements from 5 Hz to 40,000 Hz with high fidelity and minimal variance, even off-axis. The included PhotoLink device allows accurate time-of-flight to calculate the Acoustic Origin Offset (AOO), essential for speaker design and system calibration. With capabilities including frequency response, SPL, harmonic distortion, and room acoustics analysis, along with intuitive software, the OmniMic 40k provides professionals and hobbyists with everything needed to design and refine audio systems.
Key Features

    Accurate response from 5 to 40,000 Hz using the unique calibration files
    High dynamic range allows precise and distortion free measurements up to 145 dB
    Instantly calculates acoustic time-of-flight providing actual delay and true phase response
    Built-in 2.83 volt indicator for standardized frequency measurements
    Measures 3rd order harmonic distortion up to 13,333 Hz
    Quick and easy setup, even beginners will be making precision measurements in minutes
    Measures frequency response, true phase, distortion, SPL, loudspeaker compression, and much more

Dayton Audio OmniMic 40k Precision Measurement Microphone System
Introducing the Dayton Audio OmniMic 40k

Precision Made Simple, Redefining Acoustic Precision for Everyone

Dayton Audio’s OmniMic 40k is an essential tool for revealing the finest acoustic details. The robust device is engineered to deliver rapid and precise acoustic measurements essential for maximizing the performance of any audio system. Designed for professionals and hobbyists who demand perfection, the OmniMic 40k ensures that from initial acoustic measurement through to final system calibration, no detail goes unnoticed.

OmniMic 40k Precision Calibrated Microphone
At the core of the OmniMic 40k lies our cutting-edge USB omnidirectional precision measurement microphone equipped with an integrated analog-to-digital converter. Boasting a compact 4mm capsule, the OmniMic 40k offers calibrated measurements ranging from 5Hz to an impressive 40,000Hz, comfortably enveloping the entire audible spectrum and beyond. The compact aperture minimizes internal reflections and edge diffraction, ensuring consistent response even when sound arrives significantly off-axis, thereby maintaining exceptional omnidirectional performance.
Featuring internal high voltage circuitry, the OmniMic 40k’s microphone offers an extremely wide dynamic range capable of capturing measurements up to 145 dB without suffering from compression or distortion. An easily accessible attenuator switch allows for level adjustments, ensuring outputs align seamlessly with the on-board ADC for maximum detail and precision. An exclusive addition is the IR receiver which, in conjunction with the PhotoLink, enables the system to precisely calculate both the time of flight and the distance between the acoustic source and the microphone. The sturdy stainless steel housing of the microphone further guarantees durability and sustained performance.

PhotoLink Captures Accurate Time-of-Flight
The innovative PhotoLink device sets the OmniMic 40k apart from competing measurement systems. Establishing an optical connection with the microphone, the PhotoLink enables exact calculation of time-of-flight and distance from the acoustic source to the mic capsule. This feature is crucial for accurate delay measurement and true phase capture, both essential for determining the Acoustic Origin Offset and creating precise on and off-axis simulations when designing any multi-way speaker system or array. The PhotoLink also features a visible 2.83V indicator to facilitate consistent signal level adjustment between measurements, essential for maintaining comparable sensitivity across different drivers. Remarkably, the PhotoLink operates passively, requiring no direct connection to the microphone or computer, thereby streamlining the setup process.

Simple and Easy to Setup Software

Easy to operate, the OmniMic 40k comes equipped with intuitive software that lets you start testing within minutes of unboxing. Every aspect of the sound from distortion up to 20,000 Hz to precise time of flight is easily accessible. Beyond functionality, its compact and portable design, coupled with an affordable price point, makes it an unrivaled choice in acoustic measurement.

Included are all the essentials: the OmniMic 40k microphone, PhotoLink, test leads, a 16.4 ft. USB cable, a compact microphone stand, a mic clip, and a wooden protective storage case, making it ready for immediate field use.

Trust in the Dayton Audio OmniMic 40k for a measurement experience that epitomizes accuracy, efficiency, and ease. Make it your go-to system to ensure your audio work resonates with clarity and depth, every time

Recommended Equipment: 

For measurement up to 40,000 Hz, your system will need a digital-to-audio converter (DAC) with a sampling rate of 88.2kHz or higher and an amplifier capable of nearly flat response up to 40,000 Hz.

We recommend the following: