Bosch PLM-4P220-US Plena Matrix 4-Channel DSP Amplifier, 220W

The PLM-4P220-US Plena Matrix Amplifier is a Bosch 4-channel Class D power amplifier for public address and background music systems. It belongs to Bosch's public address range.

It steps up from the 125 W model in the same chassis to 220 W per channel across 100V, 70V, 8 ohm, or 4 ohm outputs, with onboard DSP handling loudspeaker processing and input mixing so a zone runs without an outboard crossover. It links to a PLM-8M8 matrix mixer over Amp Link, is set up from a PC GUI or an iOS app, and includes an auto-standby mode.