● With wireless talkback and music control center.
● Full screen design, 4-inch IPS LCD display screen, with superior screen ratio.
● Support WIFI connection, Bluetooth 5.0, power of 2×10W/8Ω.
● Abundant music modes: Local Music, Net Radio, a Third-party
● Music APP, BLUETOOTH, DLNA/Airplay wireless push, and AUX.
● Compatible with QQ Music, Kugou Music and other popular third-party music APPs.
● Support network system remote control, including playing host songs, timing tasks, fire alarm signals and audio streaming from the audio collector.
● Can log in to SIP account to access network paging/talkback.
● Support Micro SD card and USB flash disk.
● Support talkback and call for multiple DM839 or DM858.
● Support RS485 control, AUX IN and OUT functions.
● Support doorbell linkage.