National Instruments USB-4431 sound and vibration device, bus-powered. Tested, fully functional, and in excellent physical condition.

102.4 kS/s, 100 dB, 0.8 Hz AC/DC Coupled, 4-Input/1-Output Sound and Vibration Device - The USB-4431 is designed for sound and vibration measurements. Input channels incorporate integrated electronic piezoelectric (IEPE) signal conditioning for accelerometers and microphones. The four USB-4431 input channels simultaneously digitize input signals. The analog output (AO) channel is ideal for stimulus-response tests and can be synchronized to the AI channels.

For additional information, see NI product page.