Is there noticeable audio delay or latency when streaming PC sound to a phone?

Over a modern 5GHz Wi-Fi network, latency is typically between 20ms to 40ms, which is virtually imperceptible for YouTube videos and movies. For competitive gaming, you can connect via USB Tethering for near 0ms real-time audio sync.

Does AudioRelay work if I don't have a Wi-Fi router nearby?

Yes. You can turn on your mobile phone's Personal Hotspot and connect your laptop to it, or connect a USB charging cable and enable USB Tethering on your phone.

Can I use my phone as a wireless PC microphone with AudioRelay?

Yes! AudioRelay has a reverse 'Microphone' mode where your phone's built-in mic streams audio to your PC, allowing it to act as a virtual input device in Discord, Zoom, or OBS.

Is AudioRelay free to use?

Yes, the core functionality of AudioRelay (wireless PC speaker, USB tethering, audio streaming) is 100% free without listening time limits.

PC AUDIO FIX CROSS-PLATFORM AUDIORELAY

Turn Your Phone Into a PC Speaker: Use AudioRelay for Free

Broken laptop speakers? Working on a desktop tower with no external 3.5mm sound system? You don't need to buy new hardware. Discover how AudioRelay turns any Android phone or tablet into an ultra-low-latency wireless sound output for Windows, macOS, and Linux.

BY LIVECODO EDITORIAL · GUIDE-016 · 2026

If you work across multiple computers or frequently travel, carrying external desktop speakers is impractical. Whether your laptop's audio hardware has malfunctioned or you want to route desktop audio directly into your phone's earphones, your smartphone is the ultimate portable wireless speaker.

Official Software: AudioRelay

AudioRelay is a lightweight, cross-platform audio streaming solution that captures your system's master sound mix and broadcasts it over local Wi-Fi or USB tethering:

AudioRelay — Stream Audio Between Your Devices https://audiorelay.net

Interactive Connection Modes in AudioRelay

AudioRelay supports three flexible connectivity methods depending on your environment:

AudioRelay Connection Protocol

Real-Time Audio Sync

Wi-Fi Local Network ~25ms Latency

Connect both your PC and phone to the same home or office Wi-Fi router. AudioRelay uses local mDNS discovery so your phone finds your PC instantly without manual configuration.

💡 Best For: Casual video watching, listening to music, and background audio around the room.

How to Setup AudioRelay on PC and Mobile (Step-by-Step)

Setting up your phone as a PC speaker takes less than 60 seconds:

Install AudioRelay on Your Computer

Visit audiorelay.net and download the desktop client for Windows, macOS, or Linux. Run the installer and launch the program.

Install the AudioRelay App on Your Phone

Download AudioRelay from the Google Play Store on your Android phone. (iOS support is also available via the App Store).

Connect Both Devices to the Same Network

Ensure your phone and computer are connected to the same Wi-Fi network, or plug your phone in via a USB cable and enable USB Tethering in your phone's network settings.

Select Your PC in the Player Tab

Open AudioRelay on your phone, open the "Player" tab, and tap your PC's name under "Servers". All computer audio will immediately stream through your phone speaker or connected headphones!

Top 4 Use Cases for AudioRelay

🔇

Broken Built-in Speakers

Instant temporary sound solution when laptop hardware speakers fail or crackle.

🎧

Wireless PC Headphones

Plug earphones into your phone and walk around your room while continuing to hear your PC audio.

🎮

Zero-Lag Gaming via USB

Use USB Tethering mode to get near 0ms latency for competitive gaming and video editing sync.

🎙️

Reverse Mode: Wireless PC Mic

Flip AudioRelay to Server mode on your phone to use its high-quality microphone as a Discord or Zoom PC mic.

Frequently Asked Questions (FAQ)

Is there noticeable audio delay or latency?

Over a solid 5GHz Wi-Fi connection, latency is typically 20-30ms, which is completely unnoticeable for YouTube videos and streaming movies. For ultra-competitive gaming, use a USB cable with USB Tethering for virtually 0ms delay.

Can multiple phones listen to the same PC simultaneously?

Yes! AudioRelay supports multi-device streaming, allowing you and a friend to connect two phones to the same PC and watch a movie together with separate headphones.

Does AudioRelay consume a lot of battery or CPU?

No. AudioRelay uses highly efficient Opus and uncompressed PCM audio streaming protocols that consume minimal CPU power (typically under 1% on modern laptops).

What should I do if my PC is not showing up in the phone app?

If your PC doesn't appear automatically, check the AudioRelay desktop app for your local IP address (e.g. 192.168.1.50) and enter it manually in the phone app under "Connect by IP". Also ensure Windows Firewall allows AudioRelay on private networks.

Final Thoughts

AudioRelay is one of the most practical free utilities every computer user should have in their software toolkit.

Whether you're dealing with hardware speaker failure or simply want wireless freedom with your mobile earphones, AudioRelay makes streaming PC audio to your phone effortless!