Performance Level
E6 E5 E4 E3 E2
Features                                                          
Processing channels 12 10 6 6 4
Hearing programs 4 3 3 3 3
Audio Streaming
Ambient Noise Reduction
Acoustic Situation Technology 7 (IE) 4 3
Impulse Noise Rejection II
Speech Enhancer Linked
Real Ear Effect
 
Accessories
Acoustic RC App
RC-DEX
TV-PLAY