BOSCH Presadio Power Amplifiers PRS 2P250

  • 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
  • Loudspeaker line and loudspeaker supervision (LBB 4428/00 only line supervision)
  • Eight control inputs and 1, 2, 4 or 8 control outputs

৳ 280,000 ৳ 275,000



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.


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