How to Use Phone as a Speaker for PC

Using a phone as a speaker for a PC can be a practical solution when your computer speakers are not working, you need better audio output, or you want a portable sound option without buying external speakers. Modern smartphones have capable speakers and multiple connectivity options that make this possible with minimal setup.

On Windows 11, you can route PC audio to your phone using Bluetooth, Wi-Fi–based apps, or USB connections. The best method depends on your phone type (Android or iPhone), audio quality requirements, and whether you prefer wireless or wired connections.

Using your phone as a speaker for a PC is safe and does not require system-level changes when done correctly. The sections below explain the most reliable ways to achieve this on Windows 11.

How to Use Phone as a Speaker for PC

The methods in this section cover Bluetooth, Wi-Fi audio streaming, and wired options. Follow the steps based on the method that best suits your setup.

1. Use Bluetooth to Play PC Audio Through Your Phone

Bluetooth is the simplest wireless method.

1. Turn on Bluetooth on your phone.
2. On your Windows 11 PC, open Settings.
3. Go to Bluetooth & devices.
4. Turn on Bluetooth.
5. Click Add device.
6. Select Bluetooth.
7. Choose your phone from the list and pair it.
8. After pairing, open Settings on Windows.
9. Go to System > Sound.
10. Select your phone under Output devices.

Once selected, all PC audio will play through your phone speaker.

2. Use Audio Streaming Apps Over Wi-Fi (Better Quality)

Wi-Fi streaming provides lower latency and better sound quality.

1. Install a PC audio streaming app on your phone.
2. Install the corresponding desktop client on Windows 11.
3. Ensure both devices are connected to the same Wi-Fi network.
4. Launch the app on both devices.
5. Select your phone as the audio output device inside the app.
6. Start playing audio on your PC.

Wi-Fi methods are ideal for music, videos, and presentations.

3. Use Phone as a Speaker via USB (Lowest Latency)

USB connections are more stable and reduce lag.

1. Connect your phone to the PC using a USB cable.
2. Enable USB debugging on Android if required.
3. Launch an audio relay or USB audio app on your phone.
4. Run the companion app on Windows 11.
5. Select USB audio mode inside the app.
6. Set the app as the default audio output device.

This method is recommended for real-time audio use.

4. Use Phone as a Bluetooth Speaker App (Phone-to-PC Mode)

Some apps turn your phone into a Bluetooth speaker.

1. Install a Bluetooth speaker app on your phone.
2. Launch the app and enable speaker mode.
3. Pair your phone with the PC via Bluetooth.
4. Select the phone as the output device in Sound settings.

This works even if Windows does not natively treat the phone as a speaker.

5. Adjust Audio Delay and Volume Settings

Audio syncing improves the experience.

1. Open Sound settings on Windows 11.
2. Adjust system volume to avoid distortion.
3. Use in-app latency or buffer controls if available.
4. Increase phone volume to maximum and control loudness from Windows.

Proper tuning reduces echo and delay.

6. Use Phone as a Temporary Speaker for Presentations

Phones are useful for portable audio needs.

1. Place the phone near listeners.
2. Use Wi-Fi or USB audio for clearer sound.
3. Disable notification sounds on the phone.
4. Enable Do Not Disturb to avoid interruptions.

This setup works well for small rooms.

7. Troubleshoot No Sound Issues

If audio does not play through the phone.

1. Recheck the selected output device in Windows.
2. Disconnect and reconnect Bluetooth or USB.
3. Restart the audio app on both devices.
4. Restart Windows Audio Service if needed.

Most issues are caused by incorrect output selection.

Final Thoughts

Using a phone as a speaker for a PC is a convenient and cost-effective solution, especially when external speakers are unavailable. Bluetooth works well for quick setup, Wi-Fi streaming offers better quality, and USB connections provide the lowest latency.