The Monoprice Coaxial (RCA) to Optical Toslink Digital Audio Converter is designed to adapt digital coaxial audio signals to optical Toslink signals, making it an essential tool for connecting various audio equipment. With a compact size of less than 3" x 2", this converter can easily fit behind your equipment rack, ensuring a tidy setup. It is powered by a 6 VDC, 3A AC adapter, providing reliable performance for your audio needs. This converter is perfect for users who have devices that utilize different digital audio signal types, allowing for versatile connectivity in home theater systems or audio setups.