iDefender+
The SilentPower iDefender+ is a USB ground loop noise isolator designed to eliminate hum and buzz caused by multiple earth points in your audio chain. It effectively breaks ground loops, reducing system noise and enhancing dynamic contrast, warmth, and resolution. The device offers 5 volts of clean power via a separate USB-C port, disconnecting the PC's power and replacing it with a cleaner external source for ultra-low noise. It's ideal for users with USB DACs, ensuring a purer audio signal by blocking computer noise and providing a cleaner power feed.
$59.00
Owner Satisfaction
4.3
/ 5
Category Rank
223
/ 279
#223 in Audio Accessories
Price vs Category Average
-74%
Below average
Who it's for
- Eliminates USB Ground Loop Noise
- Enhances Audio Clarity
- Effortless Plug-and-Play Setup
Who should skip it
- Specific Problem Solver
- Results May Vary
- Adds to the Signal Chain
Key Specs
Super-Speed USB 3.0 (and USB 2.0 backwards compatible)
Rating
5V/1A max
Connectors
USB 3.0 and USB-C gold-plated connectors
Dimensions
50 x 20 x 9 mm (2.0" x 0.8" x 0.4")
Net Weight
6.6 g (0.23 oz)
Warranty
12 months
Features
- Breaks earth/ground loops to eliminate USB power noise
- Significantly reduces system noise floor for improved audio
- Injects 5 volts of clean power via a separate USB-C port
- Blocks computer power and uses clean external supply for DACs
- Auto-detects multiple earths and intelligently disconnects computer earth
- Eliminates ground loops that compromise DAC performance and transparency
- Plug and Purify design for simple integration
What customers say
Customers consistently praise the iDefender+ by SilentPower for its reliable performance in enhancing audio quality. A dominant theme is the noticeable improvement in sound clarity and reduction of unwanted noise, particularly in USB audio setups. Users frequently report a cleaner, more refined listening experience, highlighting the device's effectiveness as a simple yet powerful solution. This consistent delivery on its promise contributes significantly to its positive reception, making it a valued addition for many audiophiles seeking subtle but impactful system upgrades.
Still have a question?
Ask Hayley anything about this product before you decide.