Disjuntor de loop de aterramento USB-C iFi iDefender Max e injetor de energia USB
Best solution for audiophiles seeking to eliminate USB noise and interference.
Enhance your audio setup with the iFi iDefender Max, a USB-C ground loop breaker and power injector. This device intelligently detects and eliminates disruptive ground loops using IsoGround technology, while actively purging noisy USB power. It features a dedicated USB-C port for clean external power and supports high-speed USB 3.0 data transfer. The durable aluminum casing ensures longevity and efficient cooling, making it a reliable addition to demanding audio systems. Setup is simple with its plug-and-play design.
$79.00
Owner Satisfaction
4.7
/ 5
Category Rank
15
/ 221
#15 in Electronic Filters
Price vs Category Average
-68%
Below average
Input/Output
USB-C
/ USB-C
Who it's for
- Audiophiles seeking a silent, noise-free signal path
- System builders wanting cleaner power for high-end DACs
- Modern users with USB-C laptops and mobile devices
Who should skip it
- Budget-conscious buyers looking for simple noise solutions
- Minimalists wanting an all-in-one, cable-free setup
- Users with fragile or tight-fitting USB-C ports
Performance breakdown
Ground Loop Elimination
IsoGround technology effectively silences persistent hums and electrical interference.
Power Noise Reduction
Actively purges dirty USB power for a cleaner, more stable signal.
Build Quality
Robust aluminum housing provides excellent durability and efficient heat dissipation.
Data Transfer Speed
USB 3.0 support ensures high-speed data flow without compromising audio integrity.
Ease of Use
Simple plug-and-play design makes setup effortless for any audio enthusiast.
Power Delivery Versatility
Flexible external power options accommodate a wide range of demanding setups.
Key Specs
Input/Output
USB-C
Compatibility
USB 3.0
Maximum Supported Power
Up to 100 W (20 V/5 A)
External Power Support
Up to 25 W (5 V/5 A)
Included Cable
5.5x2.1mm to USB-C
Form Factor
Dongle
Housing Material
Aluminum
Power Source
Bus Powered, External Power Adapter
Features
- Intelligent ground loop detection
- Purges noisy USB power
- Dedicated clean power port
- High-speed USB 3.0 support
- Modern USB-C connectivity
- Durable aluminum build
- Easy plug and play setup
What customers say
This device is overwhelmingly praised for its effectiveness in eliminating common audiophile frustrations: ground loop noise and digital interference from USB power. Users consistently report that the iDefender Max completely removes annoying hums and buzzes, resulting in a significantly cleaner audio background. This noise isolation leads to noticeable improvements in sound clarity, dynamics, and detail retrieval, especially with sensitive DACs. Reviewers also appreciate the robust build quality and the convenience of the USB-C standard and dedicated power injection port. While the price is premium, the consensus is that for those suffering from severe noise issues, this accessory delivers unparalleled performance, transforming the listening experience. It is considered a near essential component for effective noise breaking.
Know before you buy
The device uses IsoGround technology to intelligently detect and break the ground loop path, which is the primary source of the audible hum or buzz in many USB audio setups.
Not necessarily. The iDefender Max can function using bus power alone, but if your audio equipment requires cleaner power or you are experiencing significant noise, you can connect an external power supply to the dedicated USB-C port to bypass noisy power from your computer.
No. The iDefender Max supports USB 3.0 standards, ensuring that your data transfer speeds remain fast and stable at up to 5 Gbps, even while it filters the power connection.
Yes, it supports Power Delivery and can handle up to 100W of power, making it compatible with a wide range of demanding audio hardware and peripherals.
It is a true plug-and-play device. You simply connect it between your computer and your USB device, and it will automatically begin detecting and managing ground loops without requiring any software or configuration.
Beyond its durability, the aluminum casing acts as a heat sink, helping to dissipate heat efficiently during operation, which is particularly important when handling higher power loads.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$79