Features: The BA3121 chip common-ground isolation scheme is employed, ensuring no impairment to sound quality. The volumes of each input and output pathways can be independently regulated. The output terminals is capable of being directly connecting to headphones for audition or to sound power amplifiers. It is applicable to the sound input of multiple computers or game consoles and can effectively eliminate noises like squeak resulting from the common ground. Perfect for audiophiles, gamers, and professionals who require precise sound management across multiple devices, ensuring clear and uninterrupted sound. Specifications: Component:Metal Size:Approx.128x54x32mm/5.04x2.13x1.26inch Input and output interfaces:3.5mm stereo; Frequency Response:20Hz-20kHz; Power consumption: approximately 2.2W; Power supply voltages: within the ranges of DC5V - 12V; Supply Current: 5V-460mA, 12V-180mA; When USB power supply is utilized, attention should be paid to whether sufficient current can be furnished. Note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color. Package includes: 1pc Sound Mixer