AOM-4544P-2-R Omni-Directional Microphone 3541 Stop Eight Road • Dayton, Ohio 45414 Product Overview • 9.7mm overall diameter and 4.5mm height with pin-type moun(cid:26)ng • -44 dB sensi(cid:26)vity for use in most environments • Wide 1 to 10 VDC opera(cid:26)ng voltage and 50-16,000 Hz frequency response • >60 dB signal-to-noise ra(cid:26)o and 2.2 kOhm impedance • Omni-direc(cid:26)onal polar pa.ern for great off-axis response Typical Frequency Response and Sensitivity PUI Audio Inc. engages in continuous product improvement. All specifications are subject to change without notice. www.puiaudio.com. Copyright © 2015. Last Revised 7/15.

AOM-4544P-2-R Omni-Directional Microphone Mechanical and Environment Testing Test Description Test Condition High Temperature 70°C with random humidity for 200 hours Low Temperature -25°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 Microphone Polar Response Plot Recommended Drive Circuit PUI Audio Inc. engages in continuous product improvement. All specifications are subject to change without notice. www.puiaudio.com. Copyright © 2015. Last Revised 7/15.

SPECIFICATIONS THIS DOCUMENT CONTAINS DATA PROPRIETARY TO REVISION HISTORY PROJECTS UNLIMITED, INC. ANY USE OR REPRODUCTION, IN ANY FORM, WITHOUT PRIOR LTR DESCRIPTION DATE APPROVED PARAMETERS VALUES UNITS WRITTEN PERMISSION OF PROJECTS UNLIMITED, INC. IS PROHIBITED. - RELEASED FROM ENGINEERING 1/30/2006 DIRECTIVITY OMNI - ©2003, Projects Unlimited Inc. A REVISED TO INVENTOR 3-D DRAWING TEMPLATE 9/8/2010 B.R. SENSITIVTY -44 ± 2 dB STANDARD OPERATING VOLTAGE 1.5 Vdc MAX OPERATING VOLTAGE 10 Vdc CURRENT CONSUMPTION (MAX) 0.5 mA IMPEDANCE 2.2 KOhm SIGNAL TO NOISE RATIO (MIN.) 60 dB TERMINAL PIN - INTERNAL CAPACITOR N/A pF 5 4.5`0.2 2.5 n9.7`0.1 TERM 1 (+) TERM 2 (-) 2 NOTES: 1. ALL DIMENSIONS ARE IN MILLIMETERS. UNLESS OTHERWISE Designed by Date Checked by Date Approved by Date Drawn Date SPECIFIED: SIZE J.A.F. 1/30/2006 E.P. 1/30/2006 B.R. 1/30/2006 9/8/2010 DIMENSIONS ARE IN 2. SPECIFICATIONS SUBJECT TO CHANGE OR WITHDRAWL MILLIMETERS, AOM-4544P-2-R WITHOUT NOTICE. A3 TOLERANCES ARE ±0.5 AND ANGLES ARE ±3°. Microphone Edition Sheet 3. THIS PART IS RoHS 2002/95/EC COMPLIANT. AOM-4544P-2-R.idw - 1 / 1