CastSound - Speaker, Mic & Cam

CastSound — the wireless speaker, microphone and webcam app that connects your Android phone to your Mac or Linux PC. Stream audio and camera between your phone and computer with ultra-low latency, no cable, no Bluetooth pairing.

WIRELESS SPEAKER FOR MAC & LINUX
Stream any audio from your Mac or Linux PC to your Android phone over WiFi: music, movies, games, browser tabs, system sounds — if your computer plays it, your phone plays it. Walk around your home, garden or office while your desktop audio follows you.

WIRELESS MICROPHONE
Use your Android phone as a crystal-clear microphone for your Mac or Linux machine — perfect for video calls, meetings, Discord and gaming. Your voice streams to your computer in real time with echo cancellation.

ANDROID AS WEBCAM — NEW
Turn your Android camera into a high-quality wireless webcam for your Mac or Linux PC. Works with Zoom, Google Meet, Teams, OBS and any app that sees a camera. One tap starts video right alongside your audio.

Why CastSound?
• Ultra-low latency: under 10ms over USB tethering/cable, ~15ms average over Wi-Fi
• Speaker, microphone and webcam work at the same time on one single connection
• Complete PC peripherals: replaces external desk speakers, headset microphones and webcams
• Native macOS CoreAudio & Linux PipeWire support — zero extra driver setup
• Automatic discovery of your Mac or Linux PC on your Wi-Fi network
• Background playback: use other apps while listening to your computer
• Volume, mute and mic gain control right from your Android phone

Everyday uses:
• Turn your phone into complete hardware peripherals for Mac mini or Linux desktop
• Pair your phone with a Mac or Linux PC as an ultra-low latency gaming audio & mic bridge
• Listen to music from your PC anywhere in the house — just grab your phone and go
• Watch movies in bed with your phone's headphones while the video plays on your computer
• Replace a broken Mac or laptop microphone with the Android phone you already own
• Stream phone camera as a crisp webcam for Zoom, Meet, Teams and Discord calls
• Let the kids listen to their shows on their phone while you keep working

Choose Wi-Fi for wireless freedom around the room, or USB tethering for ultra-low latency (under 10ms) when gaming or on calls.

Download CastSound now — the modern way to stream audio, microphone and camera between your Android phone and your Mac or Linux computer.