Radial Engineering J-ISO
Stereo +4dB to -10dB Interface


Our Price: $259.99
List Price: $300.00
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Radial Engineering J-ISO
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Radial Engineering's J-Iso is a stereo interface designed to connect +4dB balanced signals from mixing consoles and other professional sources to -10dB consumer level unbalanced systems.  Features balanced XLR inputs, 100% transformer isolation to eliminate hum & buzz caused by ground loops and a host of outputs including stereo 1/4", RCA and 3.5 mm TRS for computers and iPods.  The J-Iso is Jensen transformer equipped for audiophile or studio applications.


  • Converts balanced +4dB signals to unbalanced Hi-Z
  • Isolation eliminates hum & buzz from ground loops
  • 100% passive - eliminates need for power supply
  • Jensen transformers for maximum bandwidth


  • Frequency response: 20Hz to 20kHz (+/- 0.5dB)
  • Distortion: 0.001% @ 1kHz
  • Phase deviation: 0.8° @ 100Hz; 2.3º @ 20Hz
  • Common mode rejection: 67dB @ 60Hz
  • Max input level: +8dBu @ 20Hz (1% THD)

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