When you view videos, the sound or the picture is sometimes distorted or the sound is not synchronized to the picture. Check this sound won’t sync with image solution.
Instructions for solving sound won’t sync with image of Philips NeoPix Ultra 2 Projector
• The available WiFi bandwidth is insufficient for sending the video flawlessly from the smartphone to the projector. This can happen if one or more WiFi networks operate in the same frequency range nearby. Certain IoT devices (e.g. ZigBee enabled devices) also operate in this frequency range.
• Your smartphone is not fast enough to compress the screen data and send it simultaneously over WiFi.
• Your smartphone may maintain parallel connections to your home network and the projector. This will reduce the available bandwidth. Disabling temporarily the connection to your home network may help.