Elevating Audio Performance: Advanced Acoustic Design
16/02/2026
At Seltech, acoustic innovation is at the core of what we do. Our team of specialists works alongside you to transform audio requirem…
At Seltech, acoustic innovation is at the core of what we do. Our team of specialists works alongside you to transform audio requirem…
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 |
At Seltech, acoustic innovation is at the core of what we do. Our team of specialists works alongside you to transform audio requirem…
At Seltech, acoustic innovation is at the core of what we do. Our team of specialists works alongside you to transform audio requirem…
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 |