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SPECIFICTION
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Steinberg MixKey

steinberg.net

Free plan WindowsmacOS
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Spec score 7.2 #21 of 28 in Audio Mixing Software

What it is

Steinberg MixKey is a free audio mixer for streamers and creators on Windows and macOS. Auto Gain adjusts levels automatically, while stream-level monitoring lets users hear the mix as the audience hears it. A cue function previews a channel in headphones before it reaches the fader or mix, and a built-in low-cut filter reduces unwanted low frequencies in speech. MixKey records the full mix as a WAV file and can send a separate microphone output to applications such as Discord or Zoom. Panic controls can mute the microphone or cut all output instantly. Elgato Stream Deck can trigger functions including microphone mute and panic controls. Users can rename channels, change colors and appearance, and resize the interface. Steinberg lists MixKey as a free download for Mac and Windows. The software supports live audio input and WAV export, with no paid plan listed.

Spec sheet

Purpose
MixKey is an audio mixer designed for streamers and creators.Read 5 Oct 2026 · steinberg.net
Intended users
Steinberg describes MixKey as designed for streamers and creators.Read 5 Oct 2026 · steinberg.net
Automatic levels
Its Auto Gain feature adjusts audio levels automatically.Read 5 Oct 2026 · steinberg.net
Cue
Users can preview a channel in headphones before it reaches the fader or mix.Read 5 Oct 2026 · steinberg.net
Customization
Users can customize channel names, colors, and appearance, and resize the interface.Read 5 Oct 2026 · steinberg.net
Low-cut filter
A built-in low-cut filter is provided to reduce unwanted low frequencies in speech.Read 5 Oct 2026 · steinberg.net
Maker and founding year
Steinberg says it was founded in 1984.Read 5 Oct 2026 · steinberg.net
Monitoring
Users can link monitoring to stream levels to hear the mix as the audience hears it.Read 5 Oct 2026 · steinberg.net
Panic controls
Panic buttons can mute the microphone or cut all output audio instantly.Read 5 Oct 2026 · steinberg.net
Recording
MixKey can record the full mix as WAV.Read 5 Oct 2026 · steinberg.net
Stream Deck
MixKey supports triggering essential functions from Elgato Stream Deck, including mic mute and panic controls.Read 5 Oct 2026 · steinberg.net
Voice chat output
A separate microphone output can be routed to apps such as Discord or Zoom, apart from the main mix.Read 5 Oct 2026 · steinberg.net

Plans and prices

MixKey Free Free download for Mac/Windows Read 5 Oct 2026 · steinberg.net

Every Steinberg MixKey plan and price →

Strong points and limits

Strong points

  • Free download for Windows and macOS
  • Automatic gain adjustment
  • WAV recording of the full mix
  • Separate microphone output for Discord or Zoom
  • Stream Deck panic controls

Limits

  • Supports only Windows and macOS
  • No paid plan or pricing tier listed

Who it suits

MixKey is for streamers and creators who need software mixing, monitoring, recording, and routing on Windows or macOS. It also suits users who want Stream Deck controls or separate voice-chat output.

Verdict

MixKey provides core stream-mixing controls, recording, monitoring, filtering, and emergency muting at no listed cost. Its platform support is limited to Windows and macOS.

Where Specifiction places it

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