iFi Audio Pro iESL Electrostatic Transformer Coupled Headphone Energizer

  • Sale
  • $ 1,499

Free standard shipping on all orders within the continental US.

Experience audio like never before.  Electrostatic headphones require raw power to drive their performance, and the iFi Pro iESL does just that. 


  • Extra high tension voltage
  • Coupled w/ Pro iCAN, lowers distortion, separates vocals, and opens the bass
  • Pinstripe Permalloy Core Transformer
  • Rids background noise
  • Compatible w/ all the great electrostatic headphone brands


  • Maximum Output voltage: 640V RMS (16Ω/20V in)
    320V RMS (64Ω/20V in)
  • Frequency Response: 5Hz – 50kHz (-3dB)
  • Input Voltage (Pro iESL): 5V – 9V/1A max
  • Input Voltage (iPower): AC 85 – 265V, 50/60Hz
  • Power Consumption: < 1W
  • Dimensions: 213(l) x 206(w) x 63.3(h) mm
  • Weight: 2.5kg (5.5 lbs)

WARNING: California Residents - Proposition 65. This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov



Sold Out