TV speaker amplifiers commonly support HDMI ARC or eARC, optical, and analog connections, giving installers options for newer displays and legacy equipment. Bluetooth can add wireless audio from compatible mobile devices, while some amplifiers also include USB or digital inputs for additional sources.

Two-channel TV speaker amplifiers drive left and right speakers for stereo sound, while three-channel models add a third powered channel for projects that need another speaker channel. A 2.1-channel amplifier combines two main speaker channels with a subwoofer channel or output for added bass, while a 70V amplifier uses a distributed-audio design that can power multiple compatible speakers from a single channel in spaces such as restaurants, conference rooms, or outdoor areas.

A TV speaker amplifier can connect to existing wired speakers through speaker outputs, accept TV audio through HDMI ARC/eARC, optical, or analog inputs, and support a powered subwoofer through a dedicated subwoofer output on compatible models. For integrated systems, features such as IR, RS-232, or control-system drivers can support remote operation, while network-enabled amplifiers can add TV audio to compatible multi-room audio zones.

When specifying a TV speaker amplifier, compare connection options such as HDMI ARC or eARC, optical, analog, USB, Bluetooth, or network streaming, along with channel configuration, subwoofer integration, speaker compatibility, and form factor for behind-TV, wall, rack, or plenum installations. For control, look for TV remote support through ARC or infrared (IR) learning, hard-wired IR, RS-232, control-system integration, input switching, audio-sensing power, and app-based or multi-room management when the system requires it.