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 | Dual  | 
		
| Diameter / length [mm] | 6.1  | 
		
| Width [mm] | 3.2  | 
		
| Thickness [mm] | 4.32  | 
		
| DC resistance [Ohm] | 76  | 
		
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 103  | 
		
| Vented | No  | 
		
Highest performance dual balanced armature receiver, maximizing output per cubic millimeter while minimizing vibration and magnetic radiation. Ideal for mid-high power custom, BTE, and receiver-in-canal hearing instruments.
| Product status | Active  | 
		
|---|---|
| Description | Balanced armature receiver  | 
		
| Frequency response curve | Woofer – Midrange  | 
		
| Configuration | Dual  | 
		
| Diameter / length [mm] | 6.1  | 
		
| Width [mm] | 3.2  | 
		
| Thickness [mm] | 4.32  | 
		
| DC resistance [Ohm] | 76  | 
		
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 103  | 
		
| Vented | No  | 
		
Highest performance dual balanced armature receiver, maximizing output per cubic millimeter while minimizing vibration and magnetic radiation. Ideal for mid-high power custom, BTE, and receiver-in-canal hearing instruments.
| Product status | Active  | 
		
|---|---|
| Description | Balanced armature receiver  | 
		
| Frequency response curve | Woofer – Midrange  | 
		
| Configuration | Dual  | 
		
| Diameter / length [mm] | 6.1  | 
		
| Width [mm] | 3.2  | 
		
| Thickness [mm] | 4.32  | 
		
| DC resistance [Ohm] | 76  | 
		
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 103  | 
		
| Vented | No  | 
		
Highest performance dual balanced armature receiver, maximizing output per cubic millimeter while minimizing vibration and magnetic radiation. Ideal for mid-high power custom, BTE, and receiver-in-canal hearing instruments.