The ReSound 2C earpieces are the successor to the ReSound 2B earpieces.
 
Three power levels with different gains are available
miniFit LP (low-power)
miniFit MP (Medium-Power)
miniFit HP (High-Power)
 
Four lengths are available:
0 (short)
1
2
3
4 (long)
 
However, length 2 is the appropriate length for most customers.
ReSound SureFit 2 earpieces are suitable for the following
 
ReSound models:
ReSound Enzo Q RIC
ReSound Linx Quattro
Resound Linx 3d
ReSound Linx²
ReSound Enya (RIE)