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Sound module WTV020-SD-16P-Waytronic

Attached is the datasheet for a sound module to play the Lasertag sound effects.

It can be controlled by the Arduino using 2 wires but needs 3.3V power supply (be careful, Arduino uses 5V but has a 3.3V output you can use) and sounds are stored on a micro-SD card in either:

.ad4 with a 36Khz sample rate, or

.wav format with a sample rate between 6Khz and 16Khz

2Gb micro-SD cards work best and are the maximum you can format in FAT32