Wireless Headphones Sennheiser RS165

About latency https://line6.com/support/topic/27166-wireless-headphone-option-for-practicing/

8-FSK can be

• 2.4 GHz RF SoC FOR WIRELESS DIGITAL AUDIO STREAMING CC8520, CC8521, CC8530& CC8531-PurePath™ Wireles
  • Texas Instruments
  • latency 10ms

Sennheiser The Flex 5000 seems to use the same transmission system as the RS range — not Bluetooth but a true CD-quality digital transmission system (8-FSK modulation on a 2.4-2.4835GHz carrier frequency). The Flex 5000 specifications say latency below 60ms.

Microchip's Kleer

Kleer (also recognized as KleerNet) is a proprietary wireless technology that operates in the 2.4 GHz, 5.2 GHz, and 5.8 GHz ranges, and is capable of streaming 16-bit / 44.1 kHz audio. Compared to standard Bluetooth, users can enjoy CD/DVD quality audio up to ranges of 328 ft (100 m) with added perks

ow bandwidth use, low latency of sound, high resistance to wireless interference, ultra-low power consumption (i.e. better battery life by 8-10 times more, reportedly), and ability to support up to four Kleer-enabled devices through a sole transmitter

• lossless, 44.1kHz, 16bit (1.4112Mb/s), Kleer data bandwidt is 2.37Mb/s
• 16x 3Mhz 2.4 Ghz channels (
• max latency 45ms (can be 20ms). BT is 100ms
• 30mW WiFi