Dynamic vs. Electrostatic Microphones: the Difference
17/06/2026
While both convert acoustic pressure into electrical signals, their operating principles lead to significant differences in sensitivity, band…
While both convert acoustic pressure into electrical signals, their operating principles lead to significant differences in sensitivity, band…
The telecoil is the small coil inside your hearing aids that converts electromagnetic field to electrical energy. Create your hearing loop systems thanks to Knowles’ telecoils. They can be designed as passive, surface mount, active gain, and radio frequency solutions — including improved EMI performance on active units.
| Name | Diameter / length [mm] | Width [mm] | Product status |
|---|---|---|---|
| 5100-253441 | 3.57 | 3.21 | Not Recommended For New Designs |
| 5100-253444 | 8.89 | 2.29 | Not Recommended For New Designs |
| 5100-253446 | 5.33 | 1.8 | Not Recommended For New Designs |
| 5100-253447 | 6.63 | 2.18 | Not Recommended For New Designs |
| 5100-253450 | 6 | 2 | Not Recommended For New Designs |
| 5100-253630 | 5.08 | 2.2 | Not Recommended For New Designs |
| 5100-253662 | 4.94 | 2.15 | Not Recommended For New Designs |
| 5100-253685 | 5.82 | 1.9 | Not Recommended For New Designs |
| 5100-253690 | 6.6 | 1.2 | Not Recommended For New Designs |
The telecoil is the small coil inside your hearing aids that converts electromagnetic field to electrical energy. Create your hearing loop systems thanks to Knowles’ telecoils. They can be designed as passive, surface mount, active gain, and radio frequency solutions — including improved EMI performance on active units.
| Name | Diameter / length [mm] | Width [mm] | Product status |
|---|---|---|---|
| 5100-253441 | 3.57 | 3.21 | Not Recommended For New Designs |
| 5100-253444 | 8.89 | 2.29 | Not Recommended For New Designs |
| 5100-253446 | 5.33 | 1.8 | Not Recommended For New Designs |
| 5100-253447 | 6.63 | 2.18 | Not Recommended For New Designs |
| 5100-253450 | 6 | 2 | Not Recommended For New Designs |
| 5100-253630 | 5.08 | 2.2 | Not Recommended For New Designs |
| 5100-253662 | 4.94 | 2.15 | Not Recommended For New Designs |
| 5100-253685 | 5.82 | 1.9 | Not Recommended For New Designs |
| 5100-253690 | 6.6 | 1.2 | Not Recommended For New Designs |
While both convert acoustic pressure into electrical signals, their operating principles lead to significant differences in sensitivity, band…
While both convert acoustic pressure into electrical signals, their operating principles lead to significant differences in sensitivity, band…
The telecoil is the small coil inside your hearing aids that converts electromagnetic field to electrical energy. Create your hearing loop systems thanks to Knowles’ telecoils. They can be designed as passive, surface mount, active gain, and radio frequency solutions — including improved EMI performance on active units.
| Name | Diameter / length [mm] | Width [mm] | Product status |
|---|---|---|---|
| 5100-253441 | 3.57 | 3.21 | Not Recommended For New Designs |
| 5100-253444 | 8.89 | 2.29 | Not Recommended For New Designs |
| 5100-253446 | 5.33 | 1.8 | Not Recommended For New Designs |
| 5100-253447 | 6.63 | 2.18 | Not Recommended For New Designs |
| 5100-253450 | 6 | 2 | Not Recommended For New Designs |
| 5100-253630 | 5.08 | 2.2 | Not Recommended For New Designs |
| 5100-253662 | 4.94 | 2.15 | Not Recommended For New Designs |
| 5100-253685 | 5.82 | 1.9 | Not Recommended For New Designs |
| 5100-253690 | 6.6 | 1.2 | Not Recommended For New Designs |