Bosch PRS-4P125-US Power Amplifier 4x125W None

There are four types of Power Amplifier units in the Praesideo product range. These differ in the number of amplifier channels per frame: one, two, four, or eight. The overall power rating is 500 watts for all of the amplifiers. The Power Amplifiers can be set to 100 V, 70 V and 50 V output tappings. They have short-to-ground and short-circuit detection functions, and can generate their own pilot tone for supervision purposes. 1, 2, 4, or 8 audio outputs (selection from 100 / 70 / 50 V outputs) Audio processing and delay for each amplifier channel Amplifier supervision and spare amplifier switching Eight control inputs and 1, 2, 4 or 8 control outputs