What to do if the power LED is lit but there is no USB/SD player output on my Qtx QXPA?
- GgrayjuliaAug 1, 2025
If the power LED is lit but there's no output from the USB/SD player on your Qtx Speaker System, here are some things to check: * Ensure the USB or SD card contains the correct audio files. * Verify that the USB or SD card is properly connected. * Try pressing the MP3/LINE button, then the >II button. * Make sure the volume isn't turned down. * Press and hold the “VOL +” button. * Check the LCD display to see if the numbers are moving.