Part Number Dimensions Sensitivity Min
S/N
Ratio
Operating Voltage Current (Max) Acoustic Overload Point (Typ) Output Impedance Internal Capacitance Directivity Communication Rating Port Termination
Length Width High Min. Rated Max.
mm Value ± Unit dB V μA Ω pF
Part Number Dimensions Sensitivity Min
S/N
Ratio
Operating Voltage Current (Max) Acoustic Overload Point (Typ) Output Impedance Internal Capacitance Directivity Communication Rating Port Termination
Length Width High Min. Rated Max.
mm Value ± Unit dB V μA Ω pF
CM2OS-0338-A1 2.75 1.85 0.9 -38 1 dBV/Pa 60 1.5 2 3.6 150 123 400 50+50 Omni Analog   Bottom SMD
CM3OS-0326-D1 3.5 2.65 0.98 -26 1 dBFS 65 1.6 1.8 3.6 450 119 - - Omni Digital   Bottom SMD
CM03OS-0338-A1 3.5 2.65 1.0 -38 1 dBV/Pa 65 1.8 2 3.6 200 123 450 50+50 Omni Analog   Top SMD
CM03OS-0342-A1 3.76 2.95 1.1 -42 3 dBV/Pa 59 1.5 2 3.6 100 120 300 50+50 Omni Analog   Top SMD
CM03OS-0342-A2 3.76 2.24 1.1 -42 3 dBV/Pa 58 1.5 2 3.6 100 120 300 - Omni Analog   Top SMD
CM03OS-0342-A3 3.76 2.95 1.1 -42 3 dBV/Pa 59 1.5 2 3.6 100 120 300 - Omni Analog   Top SMD
CM03OS-0342-A4 3.76 2.95 1.1 -42 3 dBV/Pa 59 1.5 2 3.6 100 120 300 - Omni Analog IP-67 Top SMD
CM03OS-0342-A5 3.76 2.24 1.1 -42 3 dBV/Pa 58 1.5 2 3.6 100 120 300 - Omni Analog IP-67 Top SMD
CM03OS-0342-A6 3.76 2.24 1.1 -42 3 dBV/Pa 58 1.5 2 3.6 100 120 300 50+50 Omni Analog   Top SMD
CM04OS-0326-D1 4 3 1.06 -26 3 dBFS 64 1.6 2 3.6 660 120 - - Omni Digital   Top SMD

Contact our Sales Department for a wide range of Microphones and options

KNOWLES PART NUMBER CROSS-REFERENCE

Find our closest equivalent to competitor parts. To search the list, please click here.

Knowles Part #CE Part #
SPV0842LR5H-1 CM2OS-0338-A1
SPV0840LR5H-B CM2OS-0338-A1
SPV1840LR5H-B CM2OS-0338-A1
SPH0641LM4H-1 CM3OS-0326-D1
SPH0641LU4H-1 CM3OS-0326-D1
SPH0642HT5H-1 CM03OS-0338-A1
SPH1642HT5H-1 CM03OS-0338-A1
SPH1611LR5H-1 CM03OS-0338-A1
SPQ2410HR5H-PD CM03OS-0342-A2
SPQ0410HE5H-PB-7 CM03OS-0342-A2
SPQ1410HR5H-B CM03OS-0342-A2
SPU0414HR5H-SB CM03OS-0342-A3
SPUL409HE5H-PB CM03OS-0342-A3
SPU0410HR5H-PB CM03OS-0342-A3
SPU0442HR5HB-1 CM03OS-0342-A3
SPK0641HT4H-1 CM04OS-0326-D1
SPK0833LM4H-B CM04OS-0326-D1
SPK0838HT4H-B CM04OS-0326-D1
Knowles Part #CE Part #

SALES NEWS

May 24, 2018
Welcome Midtec Associates Inc. our new sales rep in Iowa, Nebraska, Kansas, Missouri, and S. Illinois.

Mar 22, 2018
Welcome Technology Marketing Corp., our new sales rep in Indiana, Ohio, Kentucky, Michigan, Western Pennsylvania, and West Virginia.

Feb 5, 2018
Welcome Luscombe Engineering Co. our new sales rep in Northern California and Northern Nevada.

NEW PRODUCTS

Sep 14, 2018
Mobile Speakers:

July 2, 2018
NEW Backup Alarms

June 11, 2018
NEW MEMs Microphones

May 14, 2018
PinPoint Alerts

Mar 14, 2018
Mobile Speakers:

REPLACEMENTS

Wide selection in stock. Find our closest equivalent part and call for free samples.

COMPETITOR

Use our cross reference page to match selected competitor part numbers to our closest equivalent part, or go to the Listing.