iFi Audio SilentPower USB iPurifier Pro

Silence USB noise and elevate your audio experience with the USB iPurifier Pro — the all-in-one successor to iFi Audio’s most sought-after innovations. Merging the galvanic isolation of the iGalvanic3.0, the ANC technology of the iSilencer, and the ground control of the iDefender, this compact powerhouse eliminates jitter, EMI/RFI interference, and ground loops. Designed for audiophiles seeking pure, uncolored sound, the USB iPurifier Pro ensures flawless data transfer at 10Gbps, supports external low-noise power, and is optimized to enhance every element of your USB audio chain. Whether streaming high-res music or refining your home studio setup, this plug-and-play device delivers clean, uninterrupted audio fidelity.

What It’s Good At

• Lowering the noise floor for clearer detail, tighter imaging, and improved separation
• Blocking stray currents and interference via galvanic isolation for cleaner USB audio
• Reducing EMI/RFI on USB power with ANC3 Active Noise Cancellation technology
• Taming ground-loop issues using IsoGround intelligent earth-connection management
• Upgrading USB-powered DAC performance by enabling clean 5V external power input
• Maintaining high-speed compatibility with up to 10Gbps data transfer support

Key Features List

• All-in-One USB Noise Solution: Merges galvanic isolation, noise cancellation, and ground loop elimination into a single device.
• True Galvanic Isolation: Blocks noise-causing stray currents without affecting signal flow or USB data integrity.
• Advanced Active Noise Cancellation: Cancels EMI/RFI interference for dramatically cleaner USB power delivery.
• IsoGround Technology: Automatically removes unwanted ground connections while offering manual grounding flexibility.
• External Low-Noise Power Option: USB-C input allows clean external 5V power, cutting off noisy source power entirely.
• 10Gbps USB 3.2 Compatibility: Ensures flawless playback of ultra high-res audio files and full-speed device functionality.

Q&A Section

Q: What exactly does the USB iPurifier Pro do?
A: It removes USB noise caused by EMI/RFI, stray currents, and ground loops, delivering cleaner audio from your USB devices.

Q: How is this different from the iGalvanic3.0?
A: The iPurifier Pro includes galvanic isolation like the iGalvanic3.0 but also adds Active Noise Cancellation and IsoGround grounding control, making it a 3-in-1 solution.

Q: Can I use it with my DAC or streamer?
A: Yes, it works perfectly with any USB-based DAC, streamer, or audio interface to improve signal quality.

Q: Does it slow down USB speeds?
A: Not at all — it supports USB 3.2 Gen 2 with up to 10Gbps transfer, ensuring no speed compromises.

Q: What is the benefit of the external power input?
A: You can bypass noisy source power by supplying clean 5V power via the USB-C port, which improves overall performance.

Q: What if I need to add ground instead of removing it?
A: The unit includes a 4mm grounding port compatible with iFi's Groundhog+ for manual grounding options.

Q: Is it difficult to install?
A: No, it’s plug-and-play — just connect it between your source and DAC or USB device.

Q: Can I use it with USB-powered devices?
A: Absolutely — it even improves power delivery for bus-powered DACs or headphone amps.