Profile: Galaxy Audio Inc. specializes in audio products. Some of our products are speakers, microphones, digital recorders and monitors. The PSE wireless microphone system is a UHF diversity receiver with 16 selectable channels. It features volume control, channel display, IR sync., XLR ¼output and squelch adjustment. Our HDR2 handheld digital recorder features both a built in 128MB flash memory and a SD card port. It records in either WAV or MP3 format.