Triggerable 10 Watts MP3/WAV Audio Player Wall Speaker V2.0

Compact, triggerable 10 Watts wall speaker module (V2.0) featuring a high-quality audio decoder chip that supports MP3 and WAV audio formats. It includes a built-in 4MB flash memory by default, capable of storing a total of 4 minutes of MP3 audio encoded at 128Kbps. For expanded storage it supports a max. 32GB micro SD card. Audio files can be transferred to the internal flash or the SD card via the micro USB port — when connected to a PC the device appears like a USB flash drive. Four trigger inputs are provided; each is activated by a negative pulse / GND (low level signal).