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Radial Line level Isolator Passive 2 Channel Balanced with High Performance Transformers

Manufacturer: Radial Engineering
The Twin-Iso™ is a high performance two channel balanced line-level isolator that provides transformer-based isolation between various pieces of pro audio equipment to eliminate hum and buzz caused by ground loops.
Availability: Backorder - Contact for ETA
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  • Stereo isolator withstands up to +21dB cleanly
  • Eliminates hum and buzz caused by ground loops
  • Transparent operation won’t color audio signal
  • Jensen transformers provide exceptionally linear response


  • Frequency response: 10Hz to 50kHz +/- 1dB
  • Max output level: +21dBu (20Hz, 1% THD)
  • Phase distortion: 0.3° at 20Hz
  • Total harmonic distortion: 0.001% THD @1k, +4dBu (0.035% at 20Hz)
  • Common-mode rejection: 94dB @ 60Hz (83dB @ 3kHz)
  • Inputs: Balanced, line-level, pin-2 hot
  • Outputs: Balanced, line-level, pin-2 hot
  • Power requirement: None, completely passive
  • Size: 3.25” x 5” x 1.875”
  • Weight: 2 lbs.

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