Features • Convenient Multi-Device Connectivity: Effortlly connect multiple o devices simultaneously without the hassle of frequent switching, enhancing your setup's practicality and efficiency • Aluminum Alloy Design: Experience a stylish and robust construction with the exquisite aluminum alloy shell, ensuring longevity while complementing your o equipment • Superior Noise Reduction Technology: Enjoy crystal-clear sound quality with a high-frequency electrolytic capacitor and noise reduction circuit, eliminating background noise for an immersive listening experience • Versatile RCA Interface: Features RCA3.5mm input and output, incorporating a dual op-amp gain boost for reliable signal transmission and enhanced o performance • Effortl Input/Output Switching: Easily toggle between different o inputs and outputs using dedicated rotary switches, providing a seaml user experience for your o setup Features: 1、CONVENIENT WITHOUT SWITCHING: When you have multiple o devices that need to share the o amplifier or power supply, you can connect multiple devices at the same time to use their output, which is convenient and practical without switching 2、EXQUISITE ALUMINUM ALLOY SHELL: With excellent aluminum alloy shell, mini size and exquisite appearance, black shell makes it more stylish and powerful 3、NO NOISE: High frequency electrolytic capacitor with noise reduction circuit design, no background noise, effective o gain, improve sound quality 4、RCA INTERFACE: Input and output are RCA3.5mm interface, the internal use of positive and negative power conversion circuit, a dual op amp gain boost 5、EASY TO SWITCH: Easily switch between different o inputs or outputs with dedicated o rotary switches or lossl devices Specification: Item Type: Bidirectional o Switcher Working Voltage: DC 5-19V Input: RCA (L/R) + 3.5mm Output: RCA (L/R) + 3.5mm Compatible Input Devices: DVD, CD, set top box, MP3, TV, cell phone, computer, tablet, turntable, sound card, guitar, bass, electronic musical instrument, game console or other device Compatible Output Devices: Speakers, Subwoofers, Sound Blasters, Reverbs, AV Receivers, Post Amplifiers, Headphones, etc. Package List: 1 x Bidirectional o Switcher Package List 1 x Bidirectional Audio Switcher