Make sure that you have selected this unit as your “playback” device on your PC or Mac.
Windows 7/8/10: a. Right click on the speaker icon located on the bottom right of your screen b. Select playback devices c. Select the device you want to play and click OK.
Mac: a. Click on System preferences icon b. Click on Sound c. Select Output d. Select “iHome unit stereo” for the output source, and adjust the output volume if necessary.