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  • On-Q/Legrand airQast Wi-Fi Network Music System — FAQs

    September 08, 2026 3 min read

    Frequently Asked Questions for the On-Q/Legrand airQast Wi-Fi Network Music System, covering setup, streaming, and troubleshooting.

    Full text manual (for reference)

    Frequently Asked Questions for the On-Q/Legrand airQast™ Wi-Fi Network Music System, covering setup, streaming, and troubleshooting.

    General

    What is a controller?

    The airQast Wi-Fi Network Music System is operated by a controller — an app downloaded to your Android or iOS smartphone/tablet. With the controller you can select music sources, create collaborative playlists, and control speaker volume.

    What devices can I use as a controller?

    The airQast Controller App supports a wide range of operating systems, including Apple devices running iOS 4 or newer (iPod Touch, iPhone 3Gs/4/4s/5, iPad) and Android devices running Android 2.2 or newer. Proprietary Android systems such as Kindle Fire, Kindle Fire HD, Nook Tablet, and Nook HD are not supported.

    What is the server?

    The server is the airQast software program installed on a PC or Mac. It bridges the airQast speakers and the controller app, providing access to Internet Radio and music files stored on your PC, Mac, or network-attached storage drives.

    Does the airQast server need to be active for the mobile controller to work?

    The mobile controller can control airQast speakers without the server running. However, some sources — such as Internet radio and files stored on your home network — require the server to be active.

    What is direct streaming?

    Direct streaming transmits music services (such as Pandora) and files stored on your smartphone or tablet directly to the airQast speakers via Wi-Fi, without going through the server.

    Can I play DRM-protected music on airQast?

    No. Music with Digital Rights Management (DRM) protection is paired with its associated player and cannot be played by airQast. Non-DRM iTunes files can be played as long as your iTunes folder is mapped to the airQast server during setup.

    Are there network conditions that interfere with airQast?

    Yes — airQast requires that your wireless router or access point support multicast. If multicast is disabled, enable it. Most modern routers support multicast by default.

    What kinds of Wi-Fi networks support airQast?

    airQast connects to 802.11G or 802.11N networks. It cannot connect to an unprotected/open network — the network must be secured with a password.

    Troubleshooting

    My speakers are plugged in but aren't playing music

    • Make sure the POWER switch is engaged and the white light is illuminated
    • Make sure the light next to the AUX button is illuminated; if not, press the AUX button
    • Make sure your speaker is within range of your Wi-Fi network
    • Make sure setup was properly completed and your airQast speakers are connected to the Wi-Fi network

    My airQast system is playing music through only one speaker

    Make sure the supplied speaker wire is securely attached to the connectors on both speakers.

    My speakers have no bass or the sound is distorted

    Check the speaker wire polarity — the red wire should connect to the red terminal and black to black on both speakers. Crossed wires put the speakers out of phase and cause distortion.

    My airQast speakers are connected to my TV but there's no volume

    • Ensure the speakers are in "Line Input" mode (the white light next to the AUX button should NOT be illuminated)
    • Make sure the speakers are not muted
    • Make sure the TV audio output is set to FIXED mode, not variable, and isn't muted

    I cannot access streaming music services

    • Make sure the server software is activated and running
    • Make sure the correct login information is entered for Pandora, LastFM, and SiriusXM
    • Make sure the speakers and controller are connected to the Wi-Fi network

    I cannot control my music through my smartphone or tablet

    • Make sure your device supports the airQast app
    • Make sure your airQast system and controller are both connected to the Wi-Fi network

    Support

    For technical assistance, contact Legrand Tech Support at (800) 321-2343 or visit legrand.us/support.

    Manufacturer: Legrand · www.legrand.us/airQast