Amp stacks help expand audio coverage by combining multiple 70-volt, two-channel amplifiers to serve additional speakers, rooms, or outdoor zones as a project grows. Loop outputs allow installers to daisy-chain the audio signal to downstream amplifiers, while available 150-watt, 300-watt, and 500-watt options support different system sizes and power needs.

Use the loop outputs to daisy-chain the audio signal from one amplifier to the next, eliminating the need for additional signal splitters. This approach helps simplify wiring in multi-amplifier installations, including commercial audio systems and larger outdoor speaker zones.

Plan for 115V or 230V operation, with the required voltage switch and fuse changes made by the installer, and select 150-watt, 300-watt, or 500-watt amplifiers based on the system’s load. Allow one rack unit for 150-watt and 300-watt amplifiers, two rack units for 500-watt amplifiers, and sufficient clearance for airflow around each unit according to the installation manual.

Amp stacks can connect to network, control, and automation systems through IP, infrared, and RS-232 control, supporting functions such as source selection, volume adjustment, audio routing, and power control. Cloud-based management can provide remote access to amplifier settings, firmware updates, power cycling, and device status, while loop outputs help pass audio to downstream amplifiers.