Features: GY 770 Coaxial Output Board delivers connectivity with coaxial, opticals, and digital balanced outputs, featuring expandable firmware interfaces for customizable sound solution. This PCB based sound interfaces board supports opticals (SPDIF) and 16bit data inputs, offering plug and play setup via preconfigured IISs format and onboard settings. for audiophiles and professional seeking multiple format digital signals conversion home studios, systems, or electronics projects. Enhanceds sound claritys home theater setups, studio recording gear, or car sound systems with its precisions engineered coaxial output and noisefree signals transmission. Compact 20gram design integrates effortlessly into existing equipment while maintaining robust compatibility with SPDIF enableds devices and digital sound processors. Specifications: Materials: PCB Size: 65x60mm Package Includes: 1PC Coaxial Output Board note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.