Basic command-line audio device control from Powershell including Nuget Package Manager Console.

Features: Set Volume and toggle Mute on the Default Playback Device. Get a list of devices and set the Default Audio Device.

• Download https://github.com/cdhunt/WindowsAudioDevice-Powershell-Cmdlet/blob/master/AudioDeviceCmdlets.zip
• New-Item "$($profile | split-path)\Modules\AudioDeviceCmdlets" -Type directory -Force
• Copy CoreAudioApi.dll, AudioDeviceCmdlets.dll and AudioDeviceCmdlets.dll-Help.xml to the above location.
• Open a PowerShell console As Administrator.

Set-Location "$profile\Modules\AudioDeviceCmdlets"
Get-ChildItem | Unblock-File

• Import the binary module. This can go into your profile.

Import-Module AudioDeviceCmdlets

• You may need to set the execution policy.

Set-ExecutionPolicy -ExecutionPolicy RemoteSigned

New-Alias -Name Mute -Value Set-DefaultAudioDeviceMute
New-Alias -Name Vol -Value set-DefaultAudioDeviceVolume

• Get-DefaultAudioDevice
• Get-AudioDeviceList
• Set-DefaultAudioDevice [-Index] <Int>
• Set-DefaultAudioDevice [-Name] <String>
• Set-DefaultAudioDevice [-InputObject] <AudioDevice>
• Set-DefaultAudioDeviceVolume -Volume <float>
• Get-DefaultAudioDeviceVolume
• Set-DefaultAudioDeviceMute
• Write-DefaultAudioDeviceValue [-StreamValue]

Based on work done by Ray M. hosted on The Code Project