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Pettersson M500 USB Ultrasound Microphone


High-quality full spectrum recordings at a price never seen before!
The M500 microphone is easily used with a tablet PC or laptop to record bat calls and other ultrasonic signals with the highest quality.

The M500 USB Ultrasound Microphone comes in a small and durable aluminium enclosure. It utilizes the same advanced electret microphone technology as the well-known D500X detector and can be used both in directional and omnidirectional modes (with or without the directional horn).

Low-noise technology, high sampling frequency and efficient anti-aliasing filter provide highest quality recordings.

The microphone comes with an easy-to-use Windows recording program that saves the recordings as 16 bit wav files. Real-time display of the waveform and the spectrogram as well as real-time monitoring of the bat calls are also available. The program offers various triggering modes; manual and automatic, with or without pretrigger, level triggered or frequency triggered operation.

A coming version of the BatSound software will also support the M500.


    Microphone: Advanced electret

    Sampling frequency: 500 kHz

    ADC resolution: 16 bits

    Interface: USB 2.0, high speed

    Anti-aliasing filter: 8th order, 190 kHz

    Real-time monitoring: Through the PC sound card (down-sampling)

    Size: 42 x 114 x 23 mm (incl microphone horn)

    Weight: 75 g

    Power: USB bus powered

    Operating system: Windows Vista, Windows 7, Windows 8, Windows 8.1

This product was added to our catalog on Wednesday 04 June, 2014.
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Registered Office: The Old Rectory, Boughton Malherbe, Maidstone, Kent ME17 2BD, England.
Tel. 07917 340114
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