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 | Tweeter  | 
		
| Configuration | Single  | 
		
| Diameter / length [mm] | 5.1  | 
		
| Width [mm] | 2.8  | 
		
| Thickness [mm] | 2  | 
		
| DC resistance [Ohm] | 14  | 
		
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 94  | 
		
| Vented | No  | 
		
Single Tweeter
Highly automated assembly for consistent volume production.
Full traceability at unit level.
Tuned for high frequency detail.
Ideal for meeting Hi-Res Audio requirements.
Small size suitable for hybrid and multiple BA earphones.
| Product status | Active  | 
		
|---|---|
| Description | Balanced armature receiver  | 
		
| Frequency response curve | Tweeter  | 
		
| Configuration | Single  | 
		
| Diameter / length [mm] | 5.1  | 
		
| Width [mm] | 2.8  | 
		
| Thickness [mm] | 2  | 
		
| DC resistance [Ohm] | 14  | 
		
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 94  | 
		
| Vented | No  | 
		
Single Tweeter
Highly automated assembly for consistent volume production.
Full traceability at unit level.
Tuned for high frequency detail.
Ideal for meeting Hi-Res Audio requirements.
Small size suitable for hybrid and multiple BA earphones.
| Product status | Active  | 
		
|---|---|
| Description | Balanced armature receiver  | 
		
| Frequency response curve | Tweeter  | 
		
| Configuration | Single  | 
		
| Diameter / length [mm] | 5.1  | 
		
| Width [mm] | 2.8  | 
		
| Thickness [mm] | 2  | 
		
| DC resistance [Ohm] | 14  | 
		
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 94  | 
		
| Vented | No  | 
		
Single Tweeter
Highly automated assembly for consistent volume production.
Full traceability at unit level.
Tuned for high frequency detail.
Ideal for meeting Hi-Res Audio requirements.
Small size suitable for hybrid and multiple BA earphones.