Automotive Grade SiSonic™ MEMS Microphones
Raising Standards of In-Cabin Audio
Knowles announces availability of two new SiSonic™ MEMS microphones for automotive applications: SPH1878 and SPH9855. The new microphones are engineered to a higher standard of quality and supply assurance to support the increasing demands of the automotive market for hands-free calling, advanced voice assistance and in-cabin noise cancellation for passenger comfort.
The launch of these latest microphones marks Knowles’ further commitment to the automotive market, building on its industry-leading high quality and innovation standards. The microphones follow the AEC-Q103-003 qualification requirements set by the Automotive Electronics Council, the standardization body for establishing standards for reliable, high-quality electronic components for use in the harsh automotive environment.
Key Benefits
- Automotive Quality
- AEC-Q103-003 Qualification
- Background Noise Reduction
- ± 0.5dB sensitivity match option
- Quiter Commute- Active Noise Cancellation
- Low LFRO / Phase Distortion
- Enhanced Call Quality
- High Dynamic Range
The Knowles Automotive Advantage
- Turnkey Provider- MEMS, ASIC & Package
- Supply Assurance
- Dual Multi-National Factories
- Dedicated Field Support Team
Select a product category to view features, benefits, documents and performance details
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| SPH1878LR5H-1 | No Downloads available for SPH1878LR5H-1 | Active | Analog Differential / Single-Ended | Bottom | -44 ±1 dBV (Diff) / -38 ±1 dBV (SE) | 67 dB(A) | 134 dB SPL | 3.50mm x 2.65mm x 1.26mm | 2.3 to 3.6V |
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| SPH1878LR5H-C | No Downloads available for SPH1878LR5H-C | Active | Analog Differential / Single-Ended | Bottom | -44 ±0.5 dBV (Diff) / -38 ±0.5 dBV (SE) | 67 dB(A) | 134 dB SPL | 3.50mm x 2.65mm x 1.26mm | 2.3 to 3.6V |
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| SPH2878LR5H-1 | No Downloads available for SPH2878LR5H-1 | Active | Analog Differential / Single-Ended | Bottom | -44 ±1 dBV (Diff) / -38 ±1 dBV (SE) | 67 dB(A) | 134 dB SPL | 3.50mm x 2.65mm x 1.26mm | 2.3 to 3.6V |
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| SPH2878LR5H-C | No Downloads available for SPH2878LR5H-C | Active | Analog Differential / Single-Ended | Bottom | -44 ±0.5 dBV (Diff) / -38 ±0.5 dBV (SE) | 67 dB(A) | 134 dB SPL | 3.50mm x 2.65mm x 1.26mm | 2.3 to 3.6V |
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| SPH6655LM4H-1 | No Downloads available for SPH6655LM4H-1 | Active | Digital PDM | Bottom | -26 ±1 dBFS | 68 dB(A) | 121 dB SPL | 3.50mm x 2.65mm x 0.98mm | 1.65 to 3.6V |
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| SPH6855LM4H-1 | No Downloads available for SPH6855LM4H-1 | Active | Digital PDM | Bottom | -35 ±1 dBFS | 68 dB(A) | 130 dB SPL | 3.50mm x 2.65mm x 0.98mm | 1.65 to 3.6V |
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| SPH8855LM4H-1 | No Downloads available for SPH8855LM4H-1 | Active | Digital PDM | Bottom | -26 ±1 dBFS | 66 dB(A) | 121 dB SPL | 3.50mm x 2.65mm x 0.98mm | 1.65 to 3.6V |
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| SPH9855LM4H-1 | No Downloads available for SPH9855LM4H-1 | Active | Digital PDM | Bottom | -37 ±1 dBFS | 66 dB(A) | 132.5 dB SPL | 3.50mm x 2.65mm x 0.98mm | 1.65 to 3.6V |
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| SPH9855LM4H-C | No Downloads available for SPH9855LM4H-C | Active | Digital PDM | Bottom | -37 ±0.5 dBFS | 66 dB(A) | 132.5 dB SPL | 3.50mm x 2.65mm x 0.98mm | 1.65 to 3.6V |
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