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 | Woofer – Midrange |
| Configuration | Single |
| Diameter / length [mm] | 5.16 |
| Width [mm] | 3.51 |
| Thickness [mm] | 3 |
| DC resistance [Ohm] | 63 |
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 101 |
| Vented | No |
HC Series provides increased low frequency dynamic range in a package size equal to FC.
| Product status | Active |
|---|---|
| Description | Balanced armature receiver |
| Frequency response curve | Woofer – Midrange |
| Configuration | Single |
| Diameter / length [mm] | 5.16 |
| Width [mm] | 3.51 |
| Thickness [mm] | 3 |
| DC resistance [Ohm] | 63 |
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 101 |
| Vented | No |
HC Series provides increased low frequency dynamic range in a package size equal to FC.
| Product status | Active |
|---|---|
| Description | Balanced armature receiver |
| Frequency response curve | Woofer – Midrange |
| Configuration | Single |
| Diameter / length [mm] | 5.16 |
| Width [mm] | 3.51 |
| Thickness [mm] | 3 |
| DC resistance [Ohm] | 63 |
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 101 |
| Vented | No |
HC Series provides increased low frequency dynamic range in a package size equal to FC.