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-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
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
SPQ2410HR5H-PD CM03OS-0342-A2
SPQ0410HE5H-PB-7 CM03OS-0342-A2
SPQ1410HR5H-B CM03OS-0342-A2
SPU0410HR5H-PB CM03OS-0342-A3
SPU0414HR5H-SB CM03OS-0342-A3
SPUL409HE5H-PB CM03OS-0342-A3
SPK0641HT4H-1 CM04OS-0326-D1
SPK0838HT4H-B CM04OS-0326-D1
Knowles Part #CE Part #

SALES NEWS

June 2019
Welcome Arotech, Inc. our new sales rep. in Arizona, New Mexico, and southern Nevada

Feb 2019
Welcome Electra Reps our new sales rep. in Texas, Lousianna, Arkansas and Oklahoma

Feb 2019
Welcome Tech Marketing our new sales rep. in North and South Carolina, Alabama, Mississippi, Tennessee, and Georgia

NEW PRODUCTS

Feb 22, 2019
Oval Speaker:

Jan 14, 2019
Round Speaker:

NEWSLETTER

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.