PATLITE (formerly Kasuga Electric) MP3 File Playback Board FV-127JP

Audio compression method
Uses MP3.
High quality sound reproduction and long playback time are possible.
It has internal memory and can store approximately 8 minutes of audio data.
If you use an SD card as external memory, you can enjoy up to 240 minutes of playback time (64kbit/s MP3 data).
Rewriting voice messages using an SD card
Using an SD card, you can freely edit voice messages using the included playlist editor.
You can also read voice messages registered in this product onto an SD card.
Selecting the playback mode
There are five playback modes to choose from.
Sound reduction function: Three levels of sound reduction are possible depending on the sound reduction signal input (-10dB, -20dB, -30dB).
Noise-resistant input signal capture time can be set (10/50msec).
Noise resistance can be improved by increasing the acquisition time.
By setting the noise suppression pin, you can take noise suppression measures according to the environment.
Terminal blocks are used for wiring and output wiring, so there is no need to worry about connectors coming loose.
Speaker output (2W/4W switchable), AUX output, BUSY output Rated voltage: DC 24V (voltage tolerance range: DC 19V to 29V)