[{"id":274046550175,"handle":"accessories","updated_at":"2025-03-25T12:29:40-06:00","published_at":"2021-08-02T03:16:33-06:00","sort_order":"best-selling","template_suffix":"top-level","published_scope":"global","title":"Accessories","body_html":"","image":{"created_at":"2021-08-02T03:16:32-06:00","alt":"Audio Video Accessories","width":1080,"height":429,"src":"\/\/listenup.com\/cdn\/shop\/collections\/article-details.png?v=1641415272"}},{"id":639668617375,"handle":"all-regularly-priced-items","updated_at":"2025-03-26T21:30:27-06:00","published_at":"2024-11-30T15:25:35-07:00","sort_order":"best-selling","template_suffix":null,"published_scope":"web","title":"All Regularly Priced Items","body_html":null},{"id":280456888479,"handle":"audio","updated_at":"2025-03-26T21:30:27-06:00","published_at":"2021-12-02T11:21:36-07:00","sort_order":"best-selling","template_suffix":"top-level","published_scope":"global","title":"Audio","body_html":"","image":{"created_at":"2022-01-06T15:53:45-07:00","alt":"audio","width":971,"height":386,"src":"\/\/listenup.com\/cdn\/shop\/collections\/audio.png?v=1641509626"}},{"id":294609191071,"handle":"ifi-audio","title":"Ifi Audio","updated_at":"2025-03-26T07:25:27-06:00","body_html":"","published_at":"2023-10-19T10:34:59-06:00","sort_order":"best-selling","template_suffix":"","disjunctive":false,"rules":[{"column":"vendor","relation":"equals","condition":"iFi"}],"published_scope":"global","image":{"created_at":"2024-05-01T07:45:16-06:00","alt":null,"width":1080,"height":1080,"src":"\/\/listenup.com\/cdn\/shop\/collections\/Untitled_design_6.png?v=1714571117"}},{"id":301037224095,"handle":"ifi-silent-power","title":"iFi SilentPower","updated_at":"2025-03-23T15:45:10-06:00","body_html":"\u003cp style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/listenup.com\/pages\/ifi\" title=\"Shop at Online Authorized Online Retailer ListenUp\"\u003eiFi's\u003c\/a\u003e SilentPower's journey began two decades ago at our ultrahigh-end sister company, AMR, where iFi pioneered technologies like AMR's OptiMains and patented ANC technology. \u003cbr\u003eThis innovation is now a staple in our products, including the iPower and iPurifier series. Born out of a quest for high-quality power supplies for iFi audio products.\u003c\/p\u003e\n\u003c!----\u003e","published_at":"2024-06-20T10:14:20-06:00","sort_order":"created-desc","template_suffix":"","disjunctive":false,"rules":[{"column":"vendor","relation":"equals","condition":"iFi"},{"column":"title","relation":"contains","condition":"silent"},{"column":"title","relation":"not_contains","condition":"Clearance"}],"published_scope":"global","image":{"created_at":"2024-06-20T10:39:17-06:00","alt":"Shop Silent Power at Online Retailer ListenUp","width":1080,"height":1080,"src":"\/\/listenup.com\/cdn\/shop\/collections\/Untitled_design_0de29b13-5aff-4cf3-94a3-504844d1f4ee.png?v=1718901558"}},{"id":275936739487,"handle":"power-protection","updated_at":"2025-03-23T15:45:10-06:00","published_at":"2021-08-25T08:13:13-06:00","sort_order":"best-selling","template_suffix":"default","published_scope":"global","title":"Power Protection and Conditioning","body_html":"","image":{"created_at":"2022-01-05T14:18:40-07:00","alt":"power protection for av equipment","width":1080,"height":1080,"src":"\/\/listenup.com\/cdn\/shop\/collections\/power-protection.png?v=1712337124"}},{"id":301151355039,"handle":"welcome10","updated_at":"2025-03-26T21:30:27-06:00","published_at":"2024-07-02T15:18:25-06:00","sort_order":"best-selling","template_suffix":null,"published_scope":"web","title":"Welcome10","body_html":null}]
The iDefender Max is an intelligent USB-C ground loop breaker that eliminates distracting hum and noise in your computer-based audio system. Its advanced IsoGround® Technology ensures a clear, pristine listening experience by safely removing unwanted earth connections.
Get the Details
The iDefender Max effectively eliminates ground loop noise by intelligently removing unwanted earth connections, ensuring a hum-free audio experience.
Dylan Crane
Brand Manager
Details
iFi SilentPower iDefender Max
Eliminate distracting hum and noise in your computer-based audio system. We know how crucial it is for you to disconnect and immerse yourself in your favorite music. Whether you’re relaxing after a long day or losing yourself in the rhythms of your favorite songs, audio clarity is paramount.
However, excess earth connections from multiple plugs in your audio setup often introduce ground loop noise, causing irritating hum in your speakers or headphones, significantly detracting from your listening experience. The iDefender Max intelligently removes unwanted earth connections to resolve annoying ground loop hum, bringing you closer than ever to the music you love.
IsoGround® Technology
IsoGround Technology intelligently removes the earth connection without compromising equipment or user safety.
USB Noise Termination®
The input of the iDefender Max effectively removes noise from USB power at the source.
External USB-C Power Input
A USB-C power input bypasses USB power from the PC, allowing you to replace it with a clean external power supply.
Retaining Safety
Current surges typically occur due to short circuits, overloaded devices, power supply issues, or poor-quality cables and connectors, leading to an unexpected increase in current flow. Unlike other ground-lift solutions, the iDefender Max eliminates ground loops without compromising equipment safety. It intelligently and automatically reestablishes the earth connection when a current-related fault is detected, ensuring excess current is directed to the earth rather than to the connected equipment.
Perfect Pairing
The iDefender Max supports input power up to 100W (20V/5A), making it compatible with a wide range of devices and extending its utility beyond mere USB DAC applications. With support for USB 3.0 and backward compatibility with USB 2.0, the iDefender maintains high-speed data transfer and playback of high-resolution audio files, regardless of their quality or file size.
Unleash the Power
The iDefender Max provides the option to further upgrade performance with a dedicated external power input that completely bypasses the USB power supplied from the connected PC, allowing you to use an audiophile-grade power solution such as our iPower2. The iFi iPower2 is an ultra-quiet, ultra-clean audiophile-grade power supply featuring our proprietary Active Noise Cancellation II technology to cancel out all incoming extraneous noise. This technology makes it more than 10 times quieter than typical audiophile power supplies.
How to Use
Connect the iDefender Max between your computer and your USB devices to eliminate ground-loop noise.
What's in the Box?
1 x iDefender Max
1 x Instruction Card
Specifications
Input/Output: USB-C
Compatibility: USB 3.0
Max. Power Support: Up to 100W (20V/5A)
Dimensions: 51.3 x 20 x 12mm (2.0 x 0.8 x 0.5”)
Net Weight: 21g (0.74 oz)
Limited Warranty: 12 months
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The iDefender Max is an intelligent USB-C ground loop breaker that eliminates distracting hum and noise in your computer-based audio system. Its advanced IsoGround® Technology ensures a clear, pristine listening experience by safely removing unwanted earth connections.
Get the Details
The iDefender Max effectively eliminates ground loop noise by intelligently removing unwanted earth connections, ensuring a hum-free audio experience.
Dylan Crane
Brand Manager
Details
Details
iFi SilentPower iDefender Max
Eliminate distracting hum and noise in your computer-based audio system. We know how crucial it is for you to disconnect and immerse yourself in your favorite music. Whether you’re relaxing after a long day or losing yourself in the rhythms of your favorite songs, audio clarity is paramount.
However, excess earth connections from multiple plugs in your audio setup often introduce ground loop noise, causing irritating hum in your speakers or headphones, significantly detracting from your listening experience. The iDefender Max intelligently removes unwanted earth connections to resolve annoying ground loop hum, bringing you closer than ever to the music you love.
IsoGround® Technology
IsoGround Technology intelligently removes the earth connection without compromising equipment or user safety.
USB Noise Termination®
The input of the iDefender Max effectively removes noise from USB power at the source.
External USB-C Power Input
A USB-C power input bypasses USB power from the PC, allowing you to replace it with a clean external power supply.
Retaining Safety
Current surges typically occur due to short circuits, overloaded devices, power supply issues, or poor-quality cables and connectors, leading to an unexpected increase in current flow. Unlike other ground-lift solutions, the iDefender Max eliminates ground loops without compromising equipment safety. It intelligently and automatically reestablishes the earth connection when a current-related fault is detected, ensuring excess current is directed to the earth rather than to the connected equipment.
Perfect Pairing
The iDefender Max supports input power up to 100W (20V/5A), making it compatible with a wide range of devices and extending its utility beyond mere USB DAC applications. With support for USB 3.0 and backward compatibility with USB 2.0, the iDefender maintains high-speed data transfer and playback of high-resolution audio files, regardless of their quality or file size.
Unleash the Power
The iDefender Max provides the option to further upgrade performance with a dedicated external power input that completely bypasses the USB power supplied from the connected PC, allowing you to use an audiophile-grade power solution such as our iPower2. The iFi iPower2 is an ultra-quiet, ultra-clean audiophile-grade power supply featuring our proprietary Active Noise Cancellation II technology to cancel out all incoming extraneous noise. This technology makes it more than 10 times quieter than typical audiophile power supplies.
How to Use
Connect the iDefender Max between your computer and your USB devices to eliminate ground-loop noise.
What's in the Box?
1 x iDefender Max
1 x Instruction Card
Specifications
Input/Output: USB-C
Compatibility: USB 3.0
Max. Power Support: Up to 100W (20V/5A)
Dimensions: 51.3 x 20 x 12mm (2.0 x 0.8 x 0.5”)
Net Weight: 21g (0.74 oz)
Limited Warranty: 12 months
Reviews
Reviews
Customer Reviews
0.0Based on 0 Reviews
5 ★
0%
0
4 ★
0%
0
3 ★
0%
0
2 ★
0%
0
1 ★
0%
0
Customer Photos
Write a ReviewAsk a Question
Reviews
Questions
Thank you for posting a question! Your question will appear on the site once we've answered it.
Thank you for submitting a review!
Your input is very much appreciated. Share it with your friends so they can enjoy it too!
