Choose an audio distributed amplifier when the installation needs to power and manage sound across multiple speaker zones, such as whole-home audio or commercial background music. Choose an HDMI distributed amplifier when one video source must feed multiple displays, with HDMI-to-HDBaseT options suited to installations that require signal extension over Category cable.

Choose the number of outputs based on how many displays or receivers need the same source, while allowing capacity for likely system expansion and longer cable runs where applicable. For audio, select the number of zones or channels based on how many rooms or speaker areas need independent source, volume, or power control, and consider whether preamp outputs, bridging, or cascading can support future growth.

Distributed amplifiers connect source devices to multiple speakers or displays through audio, HDMI, or HDBaseT inputs and outputs, with some models also providing audio de-embedding, local HDMI pass-through, or network-based audio distribution. Installers can integrate control through IP, RS-232, IR, Ethernet, or compatible control systems, while EDID management and signal-extension features help coordinate sources and connected displays.

Evaluate the number of sources and displays, required video resolution and HDR support, signal distance, cable type and quality, EDID and HDCP requirements, and whether the system needs HDMI outputs or HDBaseT connections over Category cable. Also plan for receiver placement, control and audio de-embedding needs, rack space, ventilation, power, and future expansion through cascading or additional amplifier outputs.