Optimal for devices (e.g., flat-screen TVs) without a line-out output: The converter transforms digital audio signals into analog audio signals. It allows for the retrofitting of an analog audio output for connecting to a HiFi system, amplifier, or headphones. It enhances the sound quality of digital output devices (e.g., flat-screen TVs, DVD players) by playing sound through a HiFi system. This solution connects newer devices with digital connections such as flat-screen TVs, Blu-ray players, DVD players, gaming consoles, and PCs to an older HiFi system with analog connections. It features two digital inputs (optical, coaxial) for devices like DVD players, gaming consoles, and computers. There is one analog output (line out) for HiFi systems and audio amplifiers. Plug & play, no software required. Power supply via USB from the flat-screen TV or through a USB power adapter.