I have used Edifier's Rainbow IR System at home. I use it with my Home Theatre System (5.1ch) and sometimes I use it with my iPod. The Rainbow system provides wireless audio transmission. Before using it, I worried about the problem of line-of-sight but finally I found no problem. It's because Rainbow is using "Diffused Infrared" technology. The infrared is emitted from the transmitter (Tx) at a wide angle and can be reflected from ceiling and wall to the receiver (Rx). The transmission is not broken when I stand in the middle of the Tx and Rx.
The X-Fi3 keeps with the company's commitment to audio fidelity, thanks to the apt-X codec, which supposedly offers audio quality similar to a wired connection when streaming. On that front, the device also handles FLAC files.
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I have used Edifier's Rainbow IR System at home. I use it with my Home Theatre System (5.1ch) and sometimes I use it with my iPod. The Rainbow system provides wireless audio transmission. Before using it, I worried about the problem of line-of-sight but finally I found no problem. It's because Rainbow is using "Diffused Infrared" technology. The infrared is emitted from the transmitter (Tx) at a wide angle and can be reflected from ceiling and wall to the receiver (Rx). The transmission is not broken when I stand in the middle of the Tx and Rx.