Product characteristics:
1. On-board power amplifier module, high output power up to 25W,
sound loud. Conversion efficiency is higher, fever is smaller, and
there is no need to install large heat sinks.
Because the amplifier doesn't heat up. It saves electricity and can
play continuously for a long time.
2. On-board volume adjustment can be adjusted according to the
installation requirements of the security company.
3. New circuit design, strong anti-interference ability
4. Smaller size.
New audio playback control algorithm, better sound quality,
eliminating playback gurgle.
5. Support a variety of sampling formats, can store 24 minutes of
sound (sampling rate 11025 Hz 4-bit sampling), the sound can be
arbitrarily segmented, many can be in 240 segments, each sound can
be of any length.
6. Voice information can be recorded and played in segments. And
voice information can be changed at any time.
7. Controlled playback modes include: multiple key trigger modes,
multiple access to 10-way normally open or normally closed contact
control, or 4*4-moment Chen keyboard.In this way, you can control
more than 28 sounds.
485 bus control. It is suitable for the case of long distance or
more nodes.
Trigger level is optional, play mode is optional, high (low) level
trigger and pulse trigger can be triggered by upper computer
software, and cycle can be selected.
Play or single play, you can also develop the control mode you need
according to customer needs.
8. On-board flash memory has lower cost and better reliability.
To prevent misoperation, internal protection measures.
9. High-quality cross madman, the gongs will not fall off the
plastic parts after relaxation.
10. Upgraded to 10-way input function
11. Upgraded to Increase MODBUSE RTU Function
