POE wall mounted Speaker

الوصف

PURPOSE：
For offices, classrooms, meeting rooms communication.
FEATURES：
1. With an integration of the network audio decoding, digital amplifier and audio speaker.
2. Adopting A7 **8M integrated industrial grade chip, start-up time≤3s.
3. Built-in class-D digital amplifier, CD level voice output, power output: 2×*0W (DC adapter) and 2×*0W (POE).
4. Inverse-phase box design, divide-by-two fractional frequency design.
5. Compound horn, adopting 5LF component and 3HF components, perfect reduction of human voice and music.
6. Possessing Offline ringing function, integrated with 2G RAM, being able to import timed task, automatic broadcasting when offline.
7. Possessing NTP automatic time correction function, avoiding the ringing task failure caused by long time offline.
8. Two audio lines, one of them can be configured as microphone .
9. Possessing USB 2.0 interface, can be connected with LED clock (SEC-M***1A), synchronously display time and text.
*0. Built-in 7 EQ digital equalization units, being able to adjust the sound effect according to the environment of installation site.
*1. Optional: constant voltage backup module, connecting **0V constant voltage broadcasting circuit as the backup line.
*2. Optional: wireless receiving module, 2.4G wireless microphone (NCS-R*9):
*2.1. Supporting automatic pair with the speaker when booting.
*2.2. Supporting local amplification, the volume can be adjusted by the microphone.
*2.3. Possessing wireless infrared laser sensor, 8+ hours operating time.
*2.4. Computer control function, wireless page turning, zoom in & out, window switch, desktop display, video play & pause, screen off, power off.