BranchOut

BranchOut Audio

Play Audio on Multiple Speakers Simultaneously

Multi-room audio without the expensive hardware. A lightweight system tray application for Windows with native WASAPI multi-device support.

Free & Open Source (MIT License) • Windows 10/11

What is BranchOut?

BranchOut solves a common problem: managing multiple USB speakers and audio devices on Windows. Whether you have multiple USB speakers in different rooms, want to play audio on several devices simultaneously, or just need quick switching between audio outputs, BranchOut makes it effortless.

Key Capabilities

🔊

Multi-Device Output

Built-in WASAPI multi-output sends system audio to all your USB devices simultaneously. No extra software needed.

One-Click Switching

Instantly switch your default audio device from the system tray. No more digging through Windows settings.

📁

Speaker Groups

Save configurations of multiple devices and activate them with one click. Perfect for different scenarios.

🔌

Auto-Detection

Automatically detects USB audio devices as you plug and unplug them. Zero configuration required.

⚙️

Zero Latency

Direct WASAPI audio routing with minimal CPU overhead. Your audio stays perfectly in sync.

🎯

System Tray App

Stays out of your way in the system tray. Quick access when you need it, invisible when you don't.

All Features

Native multi-device output (WASAPI)
System tray integration
One-click device switching
Speaker groups with names
Auto-detection of USB devices
Persistent configuration
Visual feedback (checkmarks, icons)
Toast notifications
Zero latency audio routing
Minimal CPU overhead
Windows 10/11 support
No external dependencies

Perfect For

🏢 Home Offices

Switch between headset for calls and speakers for music without diving into Windows settings.

🏠 Multi-Room Audio

Play audio in multiple rooms simultaneously from one computer using USB speakers.

🎧 Audio Testing

Quickly switch between different audio devices for testing, comparison, and quality control.

🎮 Gaming Setups

Easily manage multiple audio outputs for streaming, chat, and game audio.

Ready to Simplify Your Audio?

Free and open source. Download now and start playing audio on multiple speakers.

Download BranchOut Free

Windows 10/11 • MIT License • Free Forever