Pre-requirenment:
2. Soundwire server for Windows
3. Wi-Fi, the two need to be on the same network.
Step One
Download and install SoundWire on your PC and Android device
Step Two
Run both the app and the desktop server and they should automatically connect. For Wi-Fi, the two need to be on the same network.
Step Three
Within the SoundWire Server on you PC and select the audio source. For Windows 7/8 the default multimedia device should be fine while XP users should select stereo mix, wave out mix or what u hear.
Step Four
Start playing the music or audio you want to hear from your Android device speakers. Your computer can be muted and you can adjust the volume level with the master control within the SoundWire Server.