PUI Audio Inc. engages in continuous product improvement. All specifications are subject to change without notice. www.puiaudio.com. Copyright © 2015. Last Revised 11/15.

Mechanical and Environment Testing

Test Description

Test Condition

High Temperature

70°C with random humidity for 200 hours

Low Temperature

-40°C with random humidity for 200 hours

Humidity

40°C with 90% relative humidity for 200 hours

Vibration

3 mm movement for 3 minutes in each of 3 axis

Drop Test

70 cm free fall onto 20 mm thick board, two directions

Temperature Cycle Test

-10°C to 50°C, 5 cycles

Recommended Drive Circuit

POM-2738P-C33-R

Omni-Directional

Microphone

Microphone Polar Response Plot