15 year lifetime guarantee available

RDA 700	RDA 2	RDA 3
RFS 84-8500	RFS 2	RFS 3
RDS 2	RMS 800
RSA 2	RSA 3
ARES (all models)

no lifetime guarantee possible

DSR	SR 5
SR200/500	SR2000/5000
DMTA 4	DMTA 5
RM 180