Based on this product's specifications, here are some alternatives and similar models
AV receiver Kramer Electronics TP-789RXR
Summary description:
The Kramer Electronics TP-789RXR is a high-performance AV receiver supporting a maximum resolution of 4096 x 2160 pixels. It features a wired connectivity technology with a maximum transfer distance of 180 m and an RS-232 serial interface. The receiver operates on a DC power source with an input current of 1.36 A and a voltage of 48 V. Compact dimensions of 120 x 71.5 x 24.4 mm and a lightweight design of 300 g make it ideal for various setups.