What’s the difference between P5 and P6 for a LED panel? Posted by: admin , June 4, 2015 When it comes to RGB LED panel, we heard P5, P6 many times. How to decode it? P actually means pitch. The number after it is the pitch in units of mm. So P5 means a panel with a pitch of 5mm, and P6 means a panel with a pitch of 6mm. Share! Tweet admin About the author Leave a Reply Cancel replyYou must be logged in to post a comment.