WiSA is a hardware and software standard for wirelessly transmitting digital audio from an audio source to wireless speakers.^[4] The standard is promoted by the Wireless Speaker and Audio Association (WiSA Association),^[1] which comprises consumer electronics manufacturers, retailers, and technology companies.^[5] The standard is based on technology from the WiSA Technologies corporation.^[1]

WiSA removes the need to run speaker wires or RCA cables between an AV receiver (or similar device) and speakers in a home theater or home audio setup. However, cabling isn't completely eliminated; powered speakers are required, so the speakers need to be connected to electrical outlets.^[4]

• Maximum channels:^[6] 8
• Uncompressed audio^[6]
  • Bit depth: Up to 24-bit
  • Sample rate: Up to 96 kHz
• Latency: 2.6 ms at 96 kHz, or 5.2 ms at 48 kHz^[6]
• Synchronization between speakers: ±2 μs^[6]
• Maximum supported room size:^[4] 30 ft x 30 ft
• Not designed to span multiple rooms.^[4]
• Transmission band: U-NII 5 GHz spectrum^[6]

WiSA doesn't mandate support for audio compression codecs.^[4] WiSA permits, but doesn't require, support for object-based surround sound schemes such as DTS:X or Dolby Atmos.^[4]

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