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 |
|---|---|
| Description | Balanced armature receiver |
| Frequency response curve | Midrange |
| Configuration | Single |
| Diameter / length [mm] | 5.17 |
| Width [mm] | 3.54 |
| Thickness [mm] | 3 |
| DC resistance [Ohm] | 1165 |
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 104 |
| Vented | No |
The FC series receiver is an improved output and increased headroom version of the standard EH receiver. Moreover, the FC receiver features rounded corners, resulting in a smaller diagonal cross-section for improved fit rates.
| Product status | Active |
|---|---|
| Description | Balanced armature receiver |
| Frequency response curve | Midrange |
| Configuration | Single |
| Diameter / length [mm] | 5.17 |
| Width [mm] | 3.54 |
| Thickness [mm] | 3 |
| DC resistance [Ohm] | 1165 |
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 104 |
| Vented | No |
The FC series receiver is an improved output and increased headroom version of the standard EH receiver. Moreover, the FC receiver features rounded corners, resulting in a smaller diagonal cross-section for improved fit rates.
| Product status | Active |
|---|---|
| Description | Balanced armature receiver |
| Frequency response curve | Midrange |
| Configuration | Single |
| Diameter / length [mm] | 5.17 |
| Width [mm] | 3.54 |
| Thickness [mm] | 3 |
| DC resistance [Ohm] | 1165 |
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 104 |
| Vented | No |
The FC series receiver is an improved output and increased headroom version of the standard EH receiver. Moreover, the FC receiver features rounded corners, resulting in a smaller diagonal cross-section for improved fit rates.