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Intermittent sound from one or more grouped Bose wireless audio systems
If you have more than one system and sound cuts in and out or sounds choppy when you play the same content on two or more systems, try the following:
Reset the products having the issue.
For information on performing a reset, see Resetting your product. (Note: A reset is used to correct occasional product issues. It is not something that a product should require repeatedly.)
If there is an Ethernet-connected system on the network, select it as the main system before creating a group or broadcasting to multiple systems.
When playing multiple systems in sync with one another, the synchronization of audio across all systems is handled by the system that is selected first. Choosing a hardwired system first reduces the amount of data that would to be communicated wirelessly when a wireless system is the host.
Check to see if other devices on your network are using too much bandwidth.
When a device is active on your network, they use some of the available bandwidth of your router. Some tasks use more bandwidth than others—like video streaming, gaming, video calls, data backups, etc. If devices are performing these tasks, bandwidth can decrease for other devices. Turn off any device or app that might be using a lot of bandwidth, then check if performance improves. If possible, use an Ethernet cable instead of Wi-Fi to connect high-bandwidth devices to your network. This frees up wireless bandwidth for devices that need to be connected wirelessly.
Check for sources of wireless interference.
It's possible that interference from other wireless devices are affecting the wireless functionality of your product. Check for other wireless devices in the area of your product (i.e. another router, cordless phone, wireless printer, smart TV, etc.). To determine if a device might be interfering, try unplugging its power cord or disabling Wi-Fi on the device. If the issue is resolved when a particular device is removed, try placing that device farther away from your product, if possible. Additionally, if the device has a wireless channel setting, try a different channel.
Reboot your router.
Routers may need to be reset from time to time—much like rebooting a computer. Disconnect power from the router for 30 seconds, then wait for it to start up and connect. (Note: Any device connected to the Internet will be interrupted during the reset.)
If using a dual-band router, try using router's other band.
On routers that offer 2.4 and 5.0 GHz networks, try connecting to the router's other band. For example, if connected to the router's 2.4 GHz network, try connecting to its 5.0 GHz network -- or vise-versa. If the issue is only present on one band, there is interference on that band. Try to reduce or keep clear of potential sources of interference (i.e. cordless phones or baby monitors on 2.4 GHz) or, if possible, use the band without interference.
In the router settings, try selecting a different channel.
If multiple wireless devices on the network are communicating on the same channel, it could affect how effectively those devices can transmit and receive data. Log in to the router and, in the settings menu, select a different channel—like 1, 6 or 11 since these channels do not interfere with one another. If you don't notice a difference, you can always change back the channel.
In the router settings, set the data transmission rate to the highest setting.
Many routers have a bandwidth adjustment for the Wi-Fi network. In the router settings menu, this option might be labelled "Link Rate," "Transfer Speed" or something similar. The optimal setting for this option is typically labelled "Auto," "Best" or the highest selectable numeric option.
If a Wi-Fi network extender, repeater, powerline adapter or access point is in use, try bypassing it.
If the system is connected to one of these devices, disconnect the device. Then, connect the system to the main router and try again. (Note: If the device is connected because the system is in an area of poor reception, you might need to move the system closer to the main router to test.) If the issue is resolved, the issue is related to the device or its settings.
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