TOA P-1812
The P-1812 is a 120 W booster amplifier designed to work alongside TOA’s A-1800 series mixer amplifiers. It supports both 100 V line and low-impedance speaker outputs, switchable input sensitivity (0 / –10 dB), and remote power control for emergency and integration with paging systems.

TOA A-1812
The A-1812 is a 120 W mixer power amplifier built for public address systems. It features multiple microphone and auxiliary inputs, priority and chime functions, paging/emergency override, remote control linking to the P-1812, selectable speaker zones, and a robust output stage for 100 V and low-impedance systems.