Sennheiser HD 800 S excels in audio fidelity with its 56mm transducers and 4-51kHz range (per Audio Science Review), making it superior for music, while SteelSeries Arctis Nova Pro Wireless provides practical wireless gaming features including ANC and unlimited battery at a fraction of the price. The $1350 price gap favors the Arctis for most users needing mobility. HD 800 S trails in features ...