Query: 4 channel speaker selector
Xtrempro 61049 2 or 4 Way Speaker Switch, 1 in 2 Out or 1 in 4 Out Way Pair Stereo Speaker Selector W/Screw Type Connections Metal Non-Slip Box - Black (1 x 2 Way)
Xtrempro 61048 2 to 4 Way Speaker Switch, 1 in 2 Out to 1 in 4 Out Way Pair Stereo Speaker Selector W/Terminal Clamps Metal Non-Slip Box - Black (1 x 2 Way)
Iseebiz Audio Video RCA Switch, 4 in 1 Out 4-Way AV Switch, Composite Video L/R Audio Selector, Metal Housing RCA Switcher for STB DVD DVR Analog TV Game Consoles Projector Home Speaker in Education