Windows 11 includes support for Bluetooth Low Energy Audio, which uses the LC3 codec for improved audio quality and lower power consumption. However, not all Bluetooth adapters and headphones support this new standard. You need to verify that your system has the correct hardware and driver support before you can use LC3 audio. This article explains how to check for LC3 codec support on Windows 11 and what to do if your system does not support it.
Key Takeaways: Testing LC3 Codec on Windows 11
- Settings > Bluetooth & devices > Devices: Check if your Bluetooth adapter is listed as “Bluetooth LE Audio” or “LE Audio” to confirm hardware support.
- Device Manager > Bluetooth > Adapter properties > Advanced: Look for “LC3” or “LE Audio” in the driver details or supported codecs list.
- Windows PowerShell > Get-PnpDevice -Class Bluetooth: Use this command to query the Bluetooth adapter and see if LE Audio is reported as a supported feature.
What Is the LC3 Codec and Why It Matters for Bluetooth LE Audio
The LC3 codec is the mandatory audio codec for Bluetooth LE Audio, replacing the older SBC codec used in Classic Audio. LC3 delivers better audio quality at lower bitrates, which reduces power consumption and extends battery life for both headphones and the host device. Windows 11 added native support for Bluetooth LE Audio starting with version 22H2, but the feature requires a compatible Bluetooth 5.2 or 5.3 adapter.
Not all Bluetooth 5.0 or 5.1 adapters support LE Audio because the standard was finalized after those versions. Even if your adapter is Bluetooth 5.2 or later, the driver must explicitly advertise LE Audio and LC3 support. Many older adapters and built-in Bluetooth modules on laptops lack this capability. The following sections show you how to confirm support at the hardware, driver, and system level.
Prerequisites for LC3 Support
Before testing, ensure your system meets these requirements:
- Windows 11 version 22H2 or later. Check in Settings > System > About > Windows specifications.
- A Bluetooth adapter that supports LE Audio. This is typically a Bluetooth 5.2 or 5.3 adapter.
- The latest Bluetooth driver from the adapter manufacturer or from Windows Update.
- A Bluetooth LE Audio headset or speaker that uses the LC3 codec. Not all Bluetooth headphones support LE Audio.
Steps to Verify LC3 Codec Support in Windows 11
Use the following methods to check whether your system supports the LC3 codec. Start with the simplest method and proceed if needed.
- Check the Bluetooth adapter name in Settings
Open Settings > Bluetooth & devices > Devices. Look at the Bluetooth section. If your adapter supports LE Audio, the text “Bluetooth LE Audio” or “LE Audio” appears next to the adapter name. If you see only “Bluetooth” without LE Audio, your adapter may not support the new standard. - Inspect driver properties in Device Manager
Press Windows key + X and select Device Manager. Expand the Bluetooth section. Right-click your Bluetooth adapter and select Properties. Go to the Advanced tab. Look for a field labeled “Supported Codecs” or “LE Audio Support”. If LC3 or LE Audio is listed, your adapter supports it. If no such field exists, the driver does not expose this information. - Use PowerShell to query Bluetooth capabilities
Right-click the Start button and select Terminal Admin or Windows PowerShell Admin. Run this command:Get-PnpDevice -Class Bluetooth | Format-List Name, FriendlyName, Status, ClassGuid
Look for your Bluetooth adapter in the output. Then run:Get-PnpDeviceProperty -InstanceId "your_adapter_instance_id" -KeyName "{DEA9C3C0-6B7E-4C3F-8F9C-1E3A5B7C9D0E} 1003"
Replace the instance ID with the one from the previous command. If the property value contains “LE Audio” or “LC3”, support is confirmed. If the command returns no data, the adapter does not advertise LE Audio support. - Pair an LE Audio headset and check the codec
Pair a known LE Audio headset with your PC. Go to Settings > Bluetooth & devices > Devices. Click the paired headset and select Properties. In the Services section, look for “LE Audio” or “LC3” in the listed services. If you see “A2DP Sink” only, the connection is using Classic Audio, not LE Audio. Some headsets allow you to check the codec in their companion app. - Use BluetoothView from NirSoft
Download and run BluetoothView from NirSoft. This tool shows detailed information about paired Bluetooth devices. Select your headset and look for the “Codec” field. If LC3 is listed, the headset is using LE Audio. If no codec field appears, the connection is likely Classic Audio.
Common Issues When Testing LC3 Codec Support
Bluetooth adapter does not appear as LE Audio in Settings
This is the most common issue. If your adapter does not show “Bluetooth LE Audio” in Settings, it likely does not support LE Audio. Check the adapter model online. Many USB Bluetooth dongles sold as Bluetooth 5.0 or 5.1 do not support LE Audio. Upgrade to a Bluetooth 5.2 or 5.3 adapter that explicitly lists LE Audio support.
PowerShell command returns no property data
If the Get-PnpDeviceProperty command returns no output, the adapter driver does not expose LE Audio properties. This does not always mean the hardware lacks support. Update the driver from the manufacturer’s website. If the driver is from Microsoft, check for a newer driver from the adapter maker. Some adapters require a driver from Intel or Realtek that enables LE Audio.
Headset pairs but uses Classic Audio instead of LE Audio
Some Bluetooth headsets support both Classic Audio and LE Audio. Windows 11 may default to Classic Audio if the headset was paired before the LE Audio driver was installed. Unpair the headset, update the Bluetooth driver, and pair the headset again. On some headsets, you must enable LE Audio mode in the headset’s settings or companion app.
No LC3 codec option in sound settings
Windows 11 does not expose a user-facing setting to select the LC3 codec. Codec selection is handled automatically by the Bluetooth stack. If the adapter and headset both support LE Audio, the system uses LC3. You cannot force LC3 manually. If you suspect the wrong codec is being used, check with a third-party tool like BluetoothView.
Bluetooth LE Audio vs Classic Audio: Key Differences
| Item | Bluetooth LE Audio | Bluetooth Classic Audio |
|---|---|---|
| Codec | LC3 mandatory, optional others | SBC mandatory, optional AAC, aptX, LDAC |
| Bluetooth version required | 5.2 or later | 2.1 or later |
| Power consumption | Lower, extends battery life | Higher, drains battery faster |
| Audio quality at low bitrate | Good, even at 128 kbps | Poor at low bitrates |
| Multi-stream support | Yes, supports separate audio streams for left and right earbuds | No, single stream shared |
| Broadcast audio | Supported for Auracast | Not supported |
If your adapter and headset support LE Audio, you will benefit from better battery life and the ability to use Auracast for sharing audio to multiple devices. Classic Audio remains the fallback for older hardware.
You can now test LC3 codec support on Windows 11 using Settings, Device Manager, PowerShell, and third-party tools. If your system lacks support, upgrade to a Bluetooth 5.2 or 5.3 adapter with LE Audio support. After confirming support, try pairing an LE Audio headset and verify the codec with BluetoothView. For advanced users, the PowerShell method provides the most reliable confirmation of LE Audio capabilities.