Audio Mixer for content creators and streamers

Get the free version now

Requires macOS 10.14 or newer

MacOS 13 (Ventura) Supported

integrates with


The all in one
Cable Free Audio Mixer for Mac

The most powerful audio mixing board for content creators.

Routing, processing, recording and streaming your audio
all in one place.

Use CASTER for FREE FOREVER or upgrade to CASTER Live after the trial is over.

Start your free, full-feature, 14-day trial.
(No credit card required)

Soundboard: Play sounds on your live stream, online games and chat apps.

Play intros, memes, sound effects, alerts, music, and more.

Soundboard allows you to instantly play different sounds to everyone with multiple playback options.

You can even set up your own samples.

Useful for podcasting, backing tracks, and streaming. But also for fun casual calls and video conferences.

Play live sounds

Support multiple audio devices of any kind.

Connect up to 6 audio devices and microphones of any kind and brand. USB, XLR – if it’s an audio device, we will grab it.

CASTER supports all types of microphones, headsets, headphones, and audio interfaces.

GroundControl Caster Live Dark mode

Add your favourite VST Plug-ins.

Audio Processing is cool, you can use tons of FREE plug-ins.

Insert plug-ins into CASTER tracks to make your voice sound radio ready or use voice modifier plug-ins to sound like anything else, a robot, demon, woman, man etc.

Use Equaliser, Compressor, Expander/Gate, Reverb, Chorus and so much more.


Real Time Voice changer. Bring broadcast-quality sound to your voice

Use any microphone with CASTER and you will immediately sound like a pro.

Voice changer – CASTER adds real-time voice changing and custom sound effects to every game and communication desktop app including Discord, ZOOM, Google Meet, Minecraft and more

Voice Purity – 

Remove background noise to produce studio-quality sound, without the studio.

Extremely high-fidelity noise reduction for vocals. Lightning-fast results – clean vocals with one knob in real time. Powered by a groundbreaking Neural Networks technology.

Perfect Noise Reduction Solution For Content Creators.

Audio streaming high quality
Voicemeeter for mac

Voice Radio – will instantly enhance your voice and make it radio ready sound. Works perfectly on all types of microphones, as well as on any incoming audio.

Separate Audio: YouTube,
Game, Discord, Music and more.

We separate the audio of each application running on your Mac.  

You can then send each separated audio source independently to OBS or to your DAW (separately into OBS).

You can use GroundControl virtual audio devices,  you can create virtual devices and use them as virtual cables to pass audio between applications (virtual devices)

Audio Loopback

High quality audio recording:



Recording locally on your computer high quality audio of any kind.

Download CASTER free and start recording high quality audio immediately on your local Mac hard drive.

Capture any microphone, an individual application audio, physical audio inputs or your entire system sound.

Grab web and app audio, record Zoom sessions, Skype conversation, your Gameplay and more.

Combine Mix & Stream audio tracks of any kind

Any audio source on your Mac can be managed using CASTER virtual mixer.

Combine audio sources of any kind: applications, microphones, audio interfaces and more.

Mix your audio tracks, set each level and insert your plugins – EQ, Spacial sound effects and many more.

Stream to your favorite streaming app: Twitch, OBS, StreamLabs, Zoom, FaceTime etc.

Voicemeeter for mac
GroundControl Caster MIDI control

Control of your audio is right at your fingertips.

Use any gear you want to control your audio: MIDI controller, Stream Deck, knobs, faders, buttons, computer keyboard – all can be mapped to control CASTER.

Who is CASTER for

Content Creators

Create and stream with ease . CASTER will take care of all the audio routing, mixing and recording for you.


Stream your gameplay. Blend your voice, your game sound and audio effects- all in one place.

Working from Home

Organize your work setup. Manage all audio sources from one place. CASTER will make your voice sound better.

E- Lessons Instructors

Combine your lecture with other audio sources. For high quality sound and interactive lessons.


Enter your description
$ 0 FREE
  • Soundboard
  • Sample packs
  • Recording
  • NDI support
  • AU plugins support
  • Direct To / Out
  • GroundControl devices
  • Sticky track
  • Light, Dark modes
  • Hotkeys
  • MIDI control
  • 1 Application track
  • Input / Microphone tracks


Enter your description
$ 59
One time purchase
  • Soundboard
  • Sample packs
  • Recording
  • NDI support
  • AU plugins support
  • Direct To / Out
  • GroundControl devices
  • Sticky track
  • Light, Dark mode
  • Hotkeys
  • MIDI control
  • 8 Application tracks
  • Input / Microphone tracks

Upgrade to CASTER Live at any time, no risk, no credit card required!

Get 10% off your purchase

Sign up for our newsletter and be the first to hear about new products and sales.
For a limited time, new subscribers enjoy 10% off any full price purchase.