D500X Ultrasound Detector/Recorder DVD - Two high-output amplifiers with

- Two high-output amplifiers with specially-designed 20-speaker tower

and the study of animal behavior

Each chapter offers a tutorial-like description of a major line of inquiry

Whether observing trails or vast fields

corrosion resistant

D500X Ultrasound Detector/Recorder DVD - Two high-output amplifiers withThe D500X is an ultrasound recording unit intended for long term, unattended recording of bat calls. In contrast to time expansion bat detectors, the D500X records full spectrum ultrasound in real time with virtually no gaps between recordings. The recorder is equipped with four slots for CF cards, which typically makes it possible to leave the unit in the field for more than a month. The triggering system allows the device to automatically start