The FSI P9 Pro Max headphones are designed to provide an immersive audio experience with exceptional sound quality. They are likely to feature a closed-back over-ear design, which helps isolate external noise and enhances the audio immersion. The headphones may be constructed using premium materials, ensuring a sturdy build. In terms of audio performance, the FSI P9 Pro Max headphones boast large drivers with a wide frequency response range, delivering accurate and detailed sound reproduction across the entire spectrum. They offer a balanced sound signature, emphasizing clarity, and naturalness in the audio output. Comfort is an important aspect of high-end headphones, and the FSI P9 Pro Max would likely prioritize user comfort during extended listening sessions. They feature plush and adjustable ear cushions, along with a padded headband, to provide a comfortable fit for various head sizes. Additional features include micro SD slot for listening to music without a phone and a microphone for hands-free calls and media control.