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Extron MPA 181T 18W Mini Power Amplifier - Grade A

Extron MPA 181T 18W Mini Power Amplifier - Grade A

StatusLimited Availability
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Item Information


  • Improved Class D amplifier design – Provides lower heat, higher efficiency, and lower distortion than traditional Class D designs.
  • 18 watts (rms) output for 70 volt speaker systems
  • THD + Noise: 0.1% @ 1 kHz at nominal level (1 watt, 8 ohm load or 70V output)
  • 14 watts (rms) at 4 ohms, 8 watts (rms) at 8 ohms
  • Front panel bass, treble, and input level controls
  • Balanced and unbalanced buffered audio inputs – Features a balanced or unbalanced stereo/mono input on a captive screw connector, and unbalanced inputs on both RCA and 3.5 mm connectors. Inputs are individually buffered to provide maximum performance.
  • Front panel limiter switch to prevent amplifier clipping
  • Remote control capabilities for volume (10k pot.) and muting (contact closure)
  • UL Rated for use in a plenum airspace – Meets UL2043 and UL60065 for fire and smoke (excluding power supply).
  • Rack-mountable 1U, quarter rack width metal enclosure
  • Flexible mounting options – The MPA 181T can be mounted above a projector or in a rack

 Not Included 

  • Power Supply
PC Certified
These items have been refurbished. Refurbished items have been cleaned, tested, and confirmed to be fully functional. Grade A - Refurbished items show wear from consistent use and can have some scratches and may have some yellowing or discoloration.
ModelMPA 181T
PowerExternal - 100 VAC to 240 VAC, 50/60 Hz
Input Impedance >18k ohms unbalanced
>24k ohms balanced
Output Impedance 2 ohms
Frequency 20 Hz to 20 kHz, ±1.5 dB
Bass adjustment ±10 dB @ 100 Hz
Treble adjustment ±10 dB @ 10 kHz
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