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Digital Enhancer Ground Loop Eliminator (C2C) SilentPower iDefender

Prices as of September 25, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$59.00
Sep 12 · Macy's
Best price
$59.00
−0% vs high
14-day high
$59.00
All stores
$59$59$59
Sep 12Sep 25
  • Macy's
Lowest in 14 days: $59.00 at Macy's. Highest: $59.00. Current best is 0% below the 14-day high.

About this product

The iFi iDefender+ Ground Loop Eliminator is a compact audio accessory designed to eliminate noise and hum caused by ground loops in audio systems. It connects between a computer and audio equipment, using intelligent earth disconnection to improve signal clarity and dynamic contrast. The device features gold-plated USB 3.0 connectors for reliable data transfer and supports both USB 3.0 and backward-compatible USB 2.0. With enhanced internal components and thicker wiring, it offers improved suppression of electromagnetic and radio frequency interference. This unit operates exclusively on a 5V power supply and is imported.

  • USB 3.0 gold-plated connectors
  • Eliminates ground loop hum
  • Improves audio resolution
  • Backward compatible with USB 2.0
  • 5V power only

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Digital Enhancer Ground Loop Eliminator (C2C) — Price History