4 Channels Alarm Speaker System
Support 4 independent channels;
Bulit-in 30 Watts amplifier;
Features
1. Support USB downloading
2. Use WT588D voice chip as the speech processing core
3. Support 2~32Mbit SPI-Flash, duration up to 1000sec (at 6KHz sampling rate)
4. 4 channels control-ended input, each channel can control to loop palyback
5. Clear and loud sound quality, and support Voice combinations
6. Audio output 30W/8Ω(MONO)
7. Operating voltage :DC9~24V
Electric Parameters
1. Operating voltage:DC9~24V
2. Static current:≤110mA
3. Working current:≤800mA
4. Audio output:30W/8Ω(MONO)
Connection Diagram
No | Item | Decription |
1 | Power LED | Indicate power input or not |
2 | Playback LED | Indicate Playback state |
3 | K1 | Press the key1,Loop play the vocie of address 0 |
4 | K2 | Press the key2,Loop play the vocie of address 1 |
5 | K3 | Press the key3,Loop play the vocie of address 2 |
6 | K4 | Press the key4,Loop play the vocie of address 3 |
7 | Power Switch | Turn on or off the device |
8 | Battery Input | Select to input DC9V ~24V battery power |
9 | DC Input | Select to input DC9V~24V adapter power |
10 | USB Download Port | Use with software “USB downloader”to change voice content |
11 | Audio Output | Connect to Speaker |
12 | Volume Adjustment | Adjust volume |