Even with YouTube Premium, YouTube Web caps audio at 160kbps (ITAG 251). YTSpoofingStream unlocks studio-grade Opus audio (ITAG 774, ~256–301kbps, >20kHz) directly in your browser.
Powered by a Dual-Stream Sync Engine, it plays native quality video while running deciphered Hi-Fi audio with sub-15ms sync.
✦ Genuine ITAG 774 Opus (>20kHz response)
✦ Native UI & volume controls fully intact
✦ 100% open-source, client-side, zero tracking.
