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Pioneer A-331



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Brand: Pioneer

The Pioneer A-331 is a stereo integrated amplifier that was introduced by the Pioneer Corporation in the late 1990s. It has a power output of 50 watts per channel into 8 ohms or 80 watts per channel into 4 ohms. Some key features of the Pioneer A-331 include a 32-bit DSP (Digital Signal Processing) system for optimizing sound quality, a USB input for connecting and playing audio from a compatible device, and a phono input for connecting a turntable. Additionally, the amplifier has a cursor control and LED display for navigating and adjusting settings using its remote control. The sleek, black, and silver design of the A-331 is both modern and timeless, making it a popular choice among audiophiles and music enthusiasts today. Overall, the Pioneer A-331 is a high-quality amplifier that delivers exceptional audio performance and versatility.



  • Power Output: 40W into 8Ω (stereo)
  • Frequency Response: 5Hz to 80kHz
  • Distortion: 0.02%
  • Speaker Impedance: 4Ω (minimum)
  • Input Sensitivity: 2.5mV (mm), 150mV (line)
  • Signal to Noise Ratio: 88dB (mm), 100dB (line)
  • Line Output: 150mV (line)
  • Dimensions: 420 x 316.5 x 120 mm
  • Weight: 7.0 kg
  • Year: 1987
  • Price:

Pioneer A-331

Pioneer A-331

Pioneer A-331

Pioneer A-331

Pioneer A-331

Pioneer A-331

Pioneer A-331

Pioneer A-331

Pioneer A-331

Pioneer A-331

Pioneer A-331



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