Features Effortl Device Sharing: Connect multiple o devices simultaneously without the hassle of switching, ensuring seaml o output for your entertainment setup Stylish Aluminum Alloy Design: Crafted with a premium aluminum alloy shell, this compact switcher combines durability and modern aesthetics to complement any o environment Superior Sound Quality: Featuring a high-frequency electrolytic capacitor and noise reduction circuit, enjoy crystal-clear o with no background noise for an enhanced listening experience Versatile RCA Connections: Equipped with RCA3.5mm interfaces, this switcher supports a range of devices, allowing for smooth signal transfer and optimal performance Simple Input/Output Switching: Easily switch between various o inputs and outputs using dedicated rotary switches, providing quick acc to your preferred devices 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