| C4-CIC | C4-XP | C4-9 | C4-FS | C4-PA | 
       
  | 
	
    
       
  | 
	
    ||
      Widex CLEAR 440 C4-PA RICRIC features  10 kHz bandwidth (based on simulated ear data)  Stable Sound Delivery  Sound Harmony  Closed, vented and open fittings  Instant and Custom receiver ear-tips C-ISP platform  WidexLinkTM  InterEar  EcoTech lll  Dynamic IntegratorTM  15 frequency bands  15 compression channels Main signal processing features  InterEar TruSound compression system with EDRC  TruSound Softener  HD LocatorTM  Digital Pinna  InterEar Speech Enhancer  InterEar Feedback Canceling  Audibility Extender User feedback and control  SmartSpeak  SmartTone  InterEar Partner Alarm  Battery alarm  LED  InterEar volume control via RC-DEX  InterEar program shift via RC-DEX Inputs  InterEar Zen  WidexLinkTM audio transmission Accessories  RC-DEX, M-DEX and TV-DEX  | 
	
    
       
       
       Suggested Fitting Range 
        | 
	
    |||||||
  |