ST42 4-Wege-Cinch-Audio-Umschalter Quellsignaleingangs-Wahlschalter 4 IN 2 OUT
SOLUPEAK ST42 4-Way RCA Audio Switch Source Signal Input switcher selector Splitter Box (4 in 2 Out)---Black. This compact switcher box allows connection of up to four stereo sources, between two amplifiers.