SIUNIMAS 4-in 1-Out Pro RCA Passive Audio Switching Box 4 Channels Audio Converter Passive Audio Selector Switch Box 1-in 4-Out (R0401-RCA)

SIUNIMAS Pro RCA 4-in 1-Out Passive Audio Switching Box 4 Channels Audio Converter Passive Audio Selector Switch Box 1-in 4-Out and 4-In 1-Out are Interchangeable ^^ SIUNIMAS Pure Copper RCA audio switcher box both working for 4-in 1-output and 1-in 4-out reversible, compatible with most of the RCA Audio playing devices.
(Notes: 1-IN 4-OUT is not meaning 4 sets of output working simultaneously). ^^ RCA speaker switch box is well built with quality aluminum alloy box with durable rubber anti-slip mat make it very durable and convenient in using, quality pure copper RCA connector with gold coating make it no any signal loss in transmission. ^^ Passive hot-swap design audio selector, plug&play make it easy and convenient. No need extra power supply and no worrying about using the right power supply as this is a very basic passive unit, quality CNC Aluminum alloy switching knob, easy to setup and requires no DC/AC adapter.