Free Express Shipping! Sescom HDMI Audio Inserter Insert External Audio to HDMI Signal, Digital TOSLINK and Stereo RCA Inputs, HDMI Sample Rates up to 192 kHz, Optical Sample Rates up to 48 kHz, Supports 3D HDMI, HDMI 1.3, HDCP 1.2 and DVI 1.0 Compliant