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 | Preferred  | 
		
|---|---|
| Description | Balanced armature receiver  | 
		
| Frequency response curve | Full range  | 
		
| Configuration | Multiway  | 
		
| Diameter / length [mm] | 7.87  | 
		
| Width [mm] | 5.59  | 
		
| Thickness [mm] | 6.78  | 
		
| DC resistance [Ohm] | 35  | 
		
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 113  | 
		
| Vented | Yes  | 
		
4-Way Dual Woofer / Midrange / Tweeter
• High dyamic range/low distortion
• 4-way with rich bass
• Premium bandwidth
• Customization possible (crossover, damping, porting, etc.)
• RoHS compliant
| Product status | Preferred  | 
		
|---|---|
| Description | Balanced armature receiver  | 
		
| Frequency response curve | Full range  | 
		
| Configuration | Multiway  | 
		
| Diameter / length [mm] | 7.87  | 
		
| Width [mm] | 5.59  | 
		
| Thickness [mm] | 6.78  | 
		
| DC resistance [Ohm] | 35  | 
		
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 113  | 
		
| Vented | Yes  | 
		
4-Way Dual Woofer / Midrange / Tweeter
• High dyamic range/low distortion
• 4-way with rich bass
• Premium bandwidth
• Customization possible (crossover, damping, porting, etc.)
• RoHS compliant
| Product status | Preferred  | 
		
|---|---|
| Description | Balanced armature receiver  | 
		
| Frequency response curve | Full range  | 
		
| Configuration | Multiway  | 
		
| Diameter / length [mm] | 7.87  | 
		
| Width [mm] | 5.59  | 
		
| Thickness [mm] | 6.78  | 
		
| DC resistance [Ohm] | 35  | 
		
| Sensitivity @ 1kHz, 100 mV, in coupler [dB SPL] | 113  | 
		
| Vented | Yes  | 
		
4-Way Dual Woofer / Midrange / Tweeter
• High dyamic range/low distortion
• 4-way with rich bass
• Premium bandwidth
• Customization possible (crossover, damping, porting, etc.)
• RoHS compliant