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iDefender Max USC-C Ground Loop Breaker & Power Injector

Prices as of September 26, 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
$79.00
Sep 13 · Macy's
Best price
$79.00
−0% vs high
14-day high
$79.00
All stores
$79$79$79
Sep 13Sep 26
  • Macy's
Lowest in 14 days: $79.00 at Macy's. Highest: $79.00. Current best is 0% below the 14-day high.

About this product

The iFi Audio iDefender Max USC-C Ground Loop Breaker & Power Injector is a compact electronic device designed to eliminate audio interference caused by ground loops in computer audio systems. It connects between the power source and the audio equipment, intelligently breaking the ground connection to remove hum and noise while maintaining safety through automatic ground reconnection if a fault is detected. The aluminum housing provides electromagnetic shielding and improves heat dissipation for reliable performance. This plug-and-play solution requires no configuration and is ideal for audiophiles seeking cleaner sound from their digital devices.

  • Ground loop noise elimination
  • Plug-and-play USB-C connection
  • Automatic ground reconnection
  • Aluminum shielded housing
  • 1-year manufacturer warranty
  • Safe current fault protection

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iDefender Max USC-C Ground Loop Breaker & — Price History