Here are some great wireless audio solutions that should fit in well with your home theater setup. The Audio Unlimited Wireless Speakers with Remote sends audio signals without the usual speaker wires and is likewise ideal for outdoor setups. Speakers can accommodate up to 150’ away from the audio source and even allows you to add speakers as you require.

The signal works just like high powered wireless 900MHz phones delivering a crystal clear signal through walls or any other obstacles in your yard offering endless installation options.

Price: $99.95

(Source) Amazon