Features: 2-in 8-out sound source signal selection switching distributor: supports 2 set of mixed inputs and 8 set of simultaneous outputs, achieve the selection and distribution of multiple sound signal. No loss output: Ensure the quality of signal transmission, output without loss, and ensure quality experiences. Multiple signal selection: can be selected from 2 set of mixed inputs and assigned to 8 set for simultaneous output to meet the needs of different devices. Strong stability: Stable signal transmission, avoiding interferences and distortions, ensuring sound quality. Metal structure: Quality metal structure, antioxidant and corrosion-resistant. Specifications: Color: Black Size: about 167x81x38mm/6.57x3.19x1.5inch Product model: B062 Input channel: Supports 2 set of stereoed selection and switching inputs (can mix inputs simultaneously) Output channel: Supports 8 set of stereoed selection outputs (can simultaneously output 8 set) Output gain: 15dB Distortion:<0.002% Frequency response: 10Hz-50KHz Impedance: 10KΩ - 50KΩ Power: USB 5V power, just insertion and use Package Includes: 1x Sound Signal Selection Switcher note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.