Amphion One25A Stereo Pair

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Special Order Non-Stock, Normally Ships In 3 to 5 Business Days

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Amphion goes active with this three way studio monitor in all its glory!

Amphion One25A is a 3-way studio monitor that is true to Amphion core strengths of advanced acoustic design, simple signal path, naturalness and high level resolution enhanced with the benefits of active design, without any of the downsides.

Know-how from the highest level of instrument building was applied for resonance control and energy transfer to ensure that not only the technical, but also goals regarding emotionality and musicality, were met. An innovative sealed dual cabinet improves clarity of all frequencies by separating the midrange from the hexagon shaped bass enclosure, which eliminates standing waves. Plenty of amplifier headroom, elegant simple active crossover, and protection limiter, which is only in the signal path when needed all contribute to highest level of resolution.


  • Operating principle – Active, 3-way, sealed cabinet
  • Tweeter – 25 mm / 1” titanium
  • Mid – 15 cm / 5¼” aluminum
  • Bass – 25 cm / 10” aluminum
  • Crossover points – 100 Hz / 2000 Hz
  • Amplifier power – Bass 700 W
  • ​Tweeter / Midrange 2 x 205 W THD + N 0,002% ​
  • Frequency response 22 – 22 000 Hz (-3dB)
  • Max SPL – 112 dB
  • Connections – Balanced XLR Input, 1x Female XLR, pin 2-hot
  • Mains – 100-240 V, 50-60 Hz (Auto select)
  • Measurements (H x W x D) – 316 x 510 x 487 mm ​
  • Weight – 41 kg / 91 lb
Our ONE WITH EVERYTHING ZEN WARRANTY extends the standard manufacturer warranty by one year, see our ZEN WARRANTY page for details.