Listen to two things at once.

Mix music, podcasts, or any audio with phone calls, meetings, and livestreams — all from one device. No extra hardware, no audio routing headaches.

Open Mixer → Get notified when we launch →

Two audio sources. One device. Zero friction.

Stream A
🎵
Music / Podcast / Video
+
Stream B
📞
Call / Meeting / Live
=
🎧

Both play through your headphones or speaker — mixed naturally, with independent volume control.

What you can do with it

🎵 + 📞
Background music during phone calls. Lofi beats while you talk.
🎙️ + 💻
Podcast playing while you're on a Zoom meeting (pauses when you speak).
📺 + 📱
YouTube audio in the background during a FaceTime call.
🎧 + 📹
Spotify playlist under a livestream — your viewers hear both.
🎵 + 🎮
Your own music over game audio. Streamers, this one's for you.
📱 + 📱
TikTok, Reels, Shorts — audio from one app while you're on a call in another.

DualStream + Phone System — Use DualStream to mix background audio into your Telnyx-powered phone calls. Perfect for on-hold music, branded call backgrounds, or just making long calls more enjoyable.

See also: Phone System →