The standard version of the Play-Fi Windows app:
• Syncs audio to any one of your Polk Omni products.
• Outputs audio from any application, website, or service from your PC in a lossless format.
• Once connected to a speaker, streams all audio sounds from the PC.
The premium version of the Windows app, Play-Fi HD:
• Syncs to four Polk Omni products simultaneously.
• Lets you choose any single application to stream to the speakers, and keep all other audio on the PC.
• Uses DTS technology to manage and optimize streaming performance on the network.
Note: Both versions are compatible with the full line of Polk Omni products.