The Wired Video Doorbell Pro (formerly the Pro 2) is built around solid two-way audio, so it stands out when the person at your door turns into a silent movie. The camera shows them fine, but the microphone picks up nothing. This is usually a software state, a weak power supply, or a WiFi dropout that kills the audio channel. The fix path is straightforward, so start with the quickest check.
Check the Microphone Toggle in the Ring App
The doorbell doesn't have a physical mute switch, but the Ring app gives you a software toggle that can easily be bumped off. Open the Ring app, tap your doorbell, then tap Device Settings > General Settings > Audio Settings. Make sure Microphone is turned on. If it's already on, flip it off, count to five, and flip it back on. That refreshes the audio channel right away.
While you're in settings, also check Device Settings > Privacy Settings. Some installs have a "Microphone Mute" or "Audio Privacy" option that kills the mic entirely when enabled.
Power Cycle the Doorbell at the Breaker
A hardwired doorbell needs a full power drain to clear a stuck audio processor. Go to your breaker panel and flip the breaker that feeds the doorbell transformer. Leave it off for a full 30 seconds, then turn it back on. Give the doorbell about 60 seconds to boot up and reconnect to your WiFi. Test the microphone by tapping the Live View in the app and speaking to the camera.
If you don't have easy access to the breaker, unscrew the doorbell from the wall and disconnect the two wires. Tape the ends off for 30 seconds, then reconnect them. That forces the same hard reset.
Check the WiFi Signal Strength (RSSI)
The Wired Video Doorbell Pro is known to drop the audio stream before it drops video when the signal gets weak. Open the Ring app and navigate to Device Health. Look at the WiFi Signal Strength (listed as RSSI). If it's worse than -65, the connection is too marginal for reliable two-way audio.
Move your router closer to the front door or add a Ring Chime Pro to extend the network. You can also try switching the doorbell's WiFi band from 5 GHz to 2.4 GHz in the app, since 2.4 GHz penetrates walls better and gives a more stable connection at range.
Verify the Transformer Voltage
This model needs 16 24 VAC to run everything at once. If the transformer is older or underpowered, the voltage can dip when the mic and camera both try to draw power. Go to Device Health in the app and check the Voltage reading. If it's below 16V, the doorbell may cut the mic to save power. Replacing the transformer with a 24VAC model usually fixes this right away.
Update the Firmware and the Ring App
Ring pushes firmware fixes through the app, and a stale firmware version can have audio bugs that were already patched. Check Device Health for any available firmware updates. While you're at it, update the Ring app itself from the App Store or Google Play Store. I've seen an outdated app miscommunicate with the doorbell's audio driver, making the mic seem dead when it was actually a software mismatch.
Factory Reset the Wired Video Doorbell Pro
If the mic still won't pick up anything after the checks above, a factory reset clears whatever software conflict is blocking the audio. Take off the faceplate. On the right side of the device, press and hold the small setup button. Keep holding it for 20 seconds. The light on the front will flash a few times to confirm the reset, then you can let go.
Wait for the doorbell to finish rebooting, then set it up fresh in the Ring app. You'll lose any custom motion zones and alert settings, but the mic will likely start functioning again on a clean software slate. If it doesn't, the microphone hardware itself has failed and the unit needs a replacement under warranty.
