4 Port Audio Switch, 3.5Mm Audio Switcher, Stereo Aux Audio Selector, 4 Input 1 Output / 1 Input 4 Output Audio Splitter Switcher, Audio Switcher Box, 4 Channel Switch Knob, No External Power Required Wireless Chargers Does NOT include the OLED

Does NOT include the OLED screen or touch display digitizer

Frequency Response: 22 Hz to 300 Hz

Designed for 0 Gauge: Specifically made for 0 gauge power and ground wires

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4 Port Audio Switch, 3.5Mm Audio Switcher, Stereo Aux Audio Selector, 4 Input 1 Output / 1 Input 4 Output Audio Splitter Switcher, Audio Switcher Box, 4 Channel Switch Knob, No External Power Required Wireless Chargers Does NOT include the OLED4 Port 3. 5Mm Audio Bi Directional Switcher This Is A 4 Port Bidirectional Switcher For 3. 5Mm Audio Ports. 3. 5Mm Audio Selector Designed For Customers Having Several Audio Sources And Outputs. Main Functions: ? Select Audio Input Between (In Out)A B C D With 1 4 Switch Knob And Get One Output; ? Select Audio Output Between (In Out)A B C D To Receive One Input; How To Use: ? Connect 4 Audio Sources (Like Cd Player Computer Phone Mp3) To 1 4 Ports And