MEMS (Micro-Electro-Mechanical Systems) microphones are advanced miniature devices essential in mobile, ear, IoT, and automotive applications. As industry leaders, we offer microphones that feature ultra-compact sizes, low profiles, and various mounting options to suit diverse design requirements. Our microphones deliver high-quality audio with increased output capacities and digital solutions that minimize analog noise.
| Product status | Active |
|---|---|
| Brand | Knowles |
| Diameter / length [mm] | 3.35 |
| Width [mm] | 2.5 |
| Thickness [mm] | 1.30 |
| Port location | Bottom |
| Directivity | Omnidirectional |
| Output format | Analog Unity Gain |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -58 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 69 |
| AOP [dB] | 120.5 |
| Impedance [Ohm] | 3150 |
The MM25 is a uniquely trimmable microphone. Using Knowles’ proven ultralow noise MEMS technology, the MM25 consists of an acoustic sensor, a low noise input buffer, and an output amplifier. These devices are suitable for applications where excellent matching is required.
| Product status | Active |
|---|---|
| Brand | Knowles |
| Diameter / length [mm] | 3.35 |
| Width [mm] | 2.5 |
| Thickness [mm] | 1.30 |
| Port location | Bottom |
| Directivity | Omnidirectional |
| Output format | Analog Unity Gain |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -58 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 69 |
| AOP [dB] | 120.5 |
| Impedance [Ohm] | 3150 |
The MM25 is a uniquely trimmable microphone. Using Knowles’ proven ultralow noise MEMS technology, the MM25 consists of an acoustic sensor, a low noise input buffer, and an output amplifier. These devices are suitable for applications where excellent matching is required.
Knowles is the originator of balanced armature technology which they apply to their receiver, specialty transducers and hearing aid products. Knowles is also a market-leading manufacturer of MEMS microphones, electret microphones, voice processors and acoustical component accessories.
| Product status | Active |
|---|---|
| Brand | Knowles |
| Diameter / length [mm] | 3.35 |
| Width [mm] | 2.5 |
| Thickness [mm] | 1.30 |
| Port location | Bottom |
| Directivity | Omnidirectional |
| Output format | Analog Unity Gain |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -58 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 69 |
| AOP [dB] | 120.5 |
| Impedance [Ohm] | 3150 |
The MM25 is a uniquely trimmable microphone. Using Knowles’ proven ultralow noise MEMS technology, the MM25 consists of an acoustic sensor, a low noise input buffer, and an output amplifier. These devices are suitable for applications where excellent matching is required.
Knowles is the originator of balanced armature technology which they apply to their receiver, specialty transducers and hearing aid products. Knowles is also a market-leading manufacturer of MEMS microphones, electret microphones, voice processors and acoustical component accessories.
Headquarters
SAS SELTECH
2, Allée des Cerisiers
F – 94042 Créteil FRANCE
Tel EU : +33 1 48 92 90 02
Tel NA : +1 (919) 481 6896
SELTECH is an international solution provider with deep expertise in acoustics and sensors. We offer innovative solutions to our customers’ challenges, from design to production.
