The Susvara outperforms the HD 800S in sheer resolution and distortion metrics (ASR reports 0.001% THD+N vs ~0.02% for the HD 800S) and offers a wider soundstage, but its $5,000 price and weight make it a niche choice. The HD 800S delivers excellent imaging at a fraction of the cost and is comfortable for long sessions, though it cannot match the Susvara’s micro‑detail. For most audiophiles, th...