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Definition: Kleer


Wireless music transmission in the unlicensed 2.4 GHz band. Requiring the Kleer technology in both sending and receiving devices, full 1.411 Mbits/sec CD-quality sound can be sent to headphones and speakers using substantially less power than Bluetooth or Wi-Fi. While Bluetooth and Wi-Fi need at least 20 MHz of bandwidth for music, Kleer uses narrowband 3 MHz channels, which are easier to find in a crowded 2.4 GHz environment. In addition, Kleer can transmit to multiple receivers simultaneously. See aptX.




HearNotes Kleer Stereo
Using Kleer transmission, HearNotes earphones receive separate signals from the transmitter (top), which plugs into any headphone jack. (Images courtesy of HearNotes, www.hearnotes.com)