Switches among 3 presenter pairs, has internal load adjusting circuitry to hold the ohms within 4 - 16.email thru cl or call the landline. can pick up 8 am - 8 pm.
adcom Speaker SelectorModel GFS-6Impedance Matching for at the most 6 pairs of speakers.New in package Includes manual
... good condition. Some marks on the top see photos.
Hook up numerous pairs of speakers then flip backwards and forwards for evaluating and comparing. Or run all speakers at the same time without fretting about damaging you .
Miami FL, Richmond VA, Omaha NE, Phoenix AZ, Des Moines IA