Frequently Asked Questions
Everything you need to know about streaming television audio directly to your headphones.
No. EarCast operates entirely over your local home Wi-Fi network. No audio is transmitted outside your living room or through cloud servers, ensuring zero data consumption and maximum privacy.
Any smart TV or streaming stick running Google TV or Android TV 8.0 and above. This includes Sony Bravia, TCL Google TV, Hisense, Chromecast with Google TV, Xiaomi Mi TV, Philips, and Nvidia Shield TV.
Yes! EarCast supports multi-receiver broadcast. Multiple smartphones can scan the same TV screen QR code simultaneously, allowing couples or roommates to enjoy movie night together in total household silence.
Use the built-in Lip-Sync Calibrator slider in the mobile receiver app or on our calibrator page. Adjust the offset in milliseconds (+80ms for AirPods, +110ms for Galaxy Buds) to lock dialogue into 100% frame-perfect sync.
Ensure both your TV and smartphone are connected to the same Wi-Fi SSID (preferably 5GHz). Also verify that your Wi-Fi router settings do not have "AP Isolation" or "Client Isolation" turned on, as this blocks local device communication.
Never. EarCast has zero tracking, no accounts required, no telemetry, and no external audio servers. Your audio stream stays strictly on your local home network.
Still have a question or need technical support?
Our engineering team responds to all questions directly within 24 hours.