Yamaha P2500S

Yamaha P2500S


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The Yamaha  P2500S Power Amplifier delivers solid, professional-quality power in a wide range of configurations designed to suit a variety of applications. 

Those on a budget will find the lineup's high power output and affordable prices offer superior quality without putting a strain on allotted funds. Further savings are realized with extremely efficient operation utilizing Yamaha's exclusive EEEngine technology, which keeps operational costs down by significantly reducing AC power consumption and heat generation.

  • Big Power with Outstanding Efficiency
  • Perfect Match for Your Club Speakers
  • Light Weight for Easy Transport and Setup
  • Versatile Connectivity
  • EEEngine (Energy Efficient Engine)
  • YS Processing (Yamaha Speaker Processing)


  • Dynamic power; 1kHz 20ms nonclip
    • 2ohms: 650W x 2
    • 4ohms; Bridge: 1300W
  • Output power; 1kHz
    • 4ohms: 390W x 2
    • 8ohms: 275W x 2
    • 8ohms; Bridge: 780W
  • Output power; 20Hz-20kHz
    • 4ohms: 310W x 2
    • 8ohms: 250W x 2
    • 8ohms; Bridge: 620W
  • Total harmonic distortion: Less than 0.1% (20Hz-20kHz; Halfpower), RL=4ohms
  • Intermodulation distortion: Less than 0.1% (60Hz:7kHz=4:1; Halfpower)
  • Frequency response:  +0dB, -1.5dB (RL=8ohms, 20Hz - 50kHz)
  • S/N ratio: 100dB
  • Power band width: 10Hz-40kHz
  • Crosstalk: Less than -70dB
  • Damping factor: More than 200
  • Voltage gain: 32dBu
  • I/O Connectors
    • Line input / output ports: 2x XLR-3-31, 2x 1/4"TRS phone jack
    • Speaker output ports: 2x speakON, 2x 5-way binding post, 2x 1/4"Phone jack
  • Processors: HPF/LPF (25Hz-150Hz sweepable, 12dB/Oct), YS Processing
  • Protection circuit
    • Load protection: Power switch on/off mute; DC-fault (power supply shutdown) ,Clip Limiting(THD?0.5%)
    • Amplifier protection: Temp. detection (Heat sink temp ?90°C) (Operation not restored automatically), VI limiter (RL?1ohm)
  • Amplifier class: EEEngine
  • Cooling: Variable-speed fan
  • Power requirements: Depend on area of purchase; 100V, 120V, 230V or 240V; 50/60Hz
    • Music source equivalent: 320W
    • Idling: 25W
  • Width: 480 mm
  • Height: 88 mm
  • Depth: 456 mm
  • Weight: 14 kg