How to enable Audio Recording on your Security DVR

This is a tutorial to show you how to enable audio recording for built in and external microphones on a 4K DVR from CCTV Camera World. Your DVR may not support 4K cameras but the process is the same for enabling audio recording on our recorders. You can browse our selection of security DVRs on our website here: https://www.cctvcameraworld.com/security-digital-video-recorders.html If you need cameras with microphones or audio inputs check out them out here: https://www.cctvcameraworld.com/security-cameras-with-audio.html