Features:

1.Wall mounted and compact size, does not take up much space;

2. High-speed industrial grade dual core (ARM+DSP) chips, with a startup time ≤ 1 second;

3. Built in class D digital power amplifier, can choose between 20W or 60W constant resistance output, perfect sound quality

4. 1 CH audio line output access to power amplifier; 1 audio line input, can be used for local amplification

5. 1 CＨ short-circuit output, capable of activating 24V forced switching power supply;  1 CH short-circuit input can activated by trigger signals;

6.Access to Ethernet port, supporting cross network segments and cross routing; 

7. Support the expansion of the fixed pressure backup exam mode function (this function is optional);

8.Support for extension of 2.4 G wireless microphone teaching (DN-915AR)

Specifications: