Happy Halloween everyone ! For Audio would recommend the settings I've shared before. Codec = AAC, 16K bitrate, Noise Filter = OFF, Mic / Speaker (depending on your unit) set to 90 / 90 accordingly. You can always lower to 80 or 75 on both but shouldn't need to go below that. I'll do some audio caps from 2.8T, 3.6T & 4K-X (Bullet Cam) 2.8. I've shared the 4K-X before but I'll re-record some samples in a room that I know will push echo. Then attach to YT and let you know when available.