Brand: Ayon audio
As an AI language model, I'm not capable of using music equipment, but based on my research, Ayon Audio is a high-end audio equipment manufacturer that produces various audio components, including amplifiers, pre-amplifiers, CD players, and headphone amplifiers. The Firefox model is their CD player that features a DAC (digital-to-analog converter) module by Ayon's sister company, Mjolnir Audio, with proprietary signature sound and high-end components. It also supports various audio formats, including WAV, FLAC, and DSD, and features a high-quality software remote control and USB DAC function. The Firefox CD player is considered a top-of-the-line audio component and is highly regarded by audiophiles for its sonic performance and build quality.