iFi Audio iPower X 5V Ultra-Low-Noise Audiophile Power Supply Wall Adapter Active Noise Cancellation II ANC II Silent Power DAC Streamer Upgrade

iFi iPower X 5V Ultra-Low-Noise Audiophile Power Supply — ANC II Silent Power Technology

iFi iPower X 5V — the go-to wall-wart upgrade for USB DACs, network streamers, and Raspberry Pi audio builds. iFi’s Active Noise Cancellation II technology drops the noise floor 40+ dB vs stock switching power supplies. Ubiquitous in r/BudgetAudiophile “upgrade my rig” threads — cheaper than a true linear supply, cleaner than any stock wall wart. Works with any USB-powered audiophile device that accepts 5V. $99 on Amazon US.

Audiophile community verdict: See what audiophiles say on ASR forum review thread

$99.00

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Video Review

iFi iPower X 5V — the audiophile wall-wart that upgrades USB-powered DACs and streamers

The iFi iPower X 5V is a specialized power supply designed specifically for audio components. iFi Audio’s Active Noise Cancellation II (ANC II) technology actively cancels the switching noise inherent in switch-mode power supplies, bringing the noise floor down to levels approaching a true linear power supply — at a fraction of the cost and weight.

Why the community loves it

  • 40+ dB noise floor drop vs stock USB power (measured on ASR forum reviews)
  • ANC II technology — active real-time noise cancellation
  • Compatible with virtually every 5V audio device — Chord Mojo, iFi Zen DAC, Schiit Modi, Topping D10s, Raspberry Pi audio builds, USB DACs, network streamers
  • Multiple connector tips included — 2.5mm, 3.5mm, 5.5×2.1mm barrel jacks
  • Global voltage input — works worldwide

How it compares

  • vs stock USB wall wart: massive noise floor reduction — audible on sensitive DACs
  • vs true linear power supply (LPS): LPS wins on ultimate noise measurements but iPower X is 90% of the benefit at 20% of the price/weight
  • vs Topping P50 / Sbooster: more expensive alternatives; iPower X is the “smart-money” choice

Who it’s for

Anyone whose USB DAC, network streamer, headphone amp, or Raspberry Pi audio build uses a stock switching wall-wart. Immediate audible improvement in noise floor and low-level detail.

Where to buy

Amazon US $99. Also available in 9V, 12V, 15V variants for other devices. Link below.

Category: Brand:
Editorial synthesis of publicly-available Amazon 5-star reviews, YouTube reviews from named channels (Gavin Fabiani-Laymond, Zadius Tech), and Head-Fi / Audio Science Review noise-floor threads / r/audiophile ancillary-power discussions as of 2026-08. Aggregated themes from real long-term owner reports.

What owners consistently praise

  • The go-to premium 5V wall wart replacement for audio gear. Gavin Fabiani-Laymond's video ("iFi iPower X review") captures the community consensus: for USB DACs, routers, network switches, streamers, and other 5V audio-adjacent gear, the iPower X is the "just plug it in and hear the difference" upgrade.
  • ANC II (Active Noise Cancellation) technology genuinely lowers noise floor. iFi's proprietary DC noise cancellation is not marketing — Amazon 5-star reviews consistently mention audible improvements, especially with sensitive USB DACs and streamer clocks.
  • Zadius Tech's coverage of the higher-tier iFi iPower Elite put the iPower X line in context: for owners who do not need the Elite's ultimate performance, the iPower X delivers the majority of the improvement at a much lower price.
  • Works with a huge range of 5V audio gear. Owners upgrade the wall wart on WiiM Pro streamers, Raspberry Pi 4/5 Volumio builds, USB-powered DACs, network switches feeding audio chains, and more. Universal 5V audio use case.
  • Interchangeable AC plug for international use. Owners traveling between US/EU/UK appreciate the swap-plug design.
  • Solid build in a compact form factor. Owners repeatedly note the iPower X looks and feels like a real audiophile product, not a generic wall wart in an audiophile box.
  • iFi warranty and after-sales support are consistent. Owners with issues report smooth replacement / repair experiences.

Common use cases owners mention

  • Upgrading the WiiM Pro / WiiM Mini stock power supply. Owners on r/WiiM and r/BudgetAudiophile frequently recommend the iPower X 5V as the "cheapest big upgrade" for WiiM streamers before considering the more expensive WiiM Ultra replacement.
  • Feeding a 5V USB DAC (older models). Owners with USB DACs that use a separate 5V input rather than bus power benefit from the cleaner supply.
  • Feeding a Raspberry Pi Volumio / moOde / Roon Bridge build. The Pi's stock supply is not audiophile-grade; the iPower X delivers audible improvements to Pi-based streamer builds.
  • Powering a network switch in the audio chain. Owners on Head-Fi's "network audio" threads sometimes use the iPower X to feed the network switch immediately upstream of a streamer, on the theory that cleaner power = cleaner network = cleaner audio (measurable in some setups).
  • Powering hard drive enclosures for music storage. Cleaner supply = fewer read errors = better music playback (for owners who accept this chain-of-argument).

Common critical notes from long-term owners

  • Improvements depend on the downstream gear. Owners with entry-tier gear may not hear the difference the way owners with high-resolution chains do. This is a "reveals what is upstream" upgrade — resolving downstream helps.
  • Not universal — 5V only. The iPower X series comes in multiple voltages (5V, 9V, 12V, 15V). Owners buying for a 9V or 12V device need the matching voltage variant.
  • Some owners hear no difference. This is not an iPower X defect; noise floor improvements depend on room noise, chain resolution, and listening volume. Nothing wrong with owners who cannot resolve the difference.
  • Not a substitute for a properly-designed dedicated linear PSU. For higher-current audio applications (Class-D amplifiers), owners need the AIYIMA 48V 6A Linear PSU or 48V 10A GaN PSU instead — the iPower X is not designed for high-current amp use.
  • Physical size larger than a stock wall wart. May not fit in cramped power-strip layouts without a short extension cord.

Best pairings from real owner reports

  • Primary target — 5V audio streamers: WiiM Pro / WiiM Mini stock power supply replacement. Owners on r/WiiM report this is the community-standard upgrade.
  • Alternative streamer already-included setup: WiiM Ultra — larger streamer with its own dedicated internal power design. Some owners still add an iPower X for the display and DAC section.
  • Feeder for a USB DAC with separate 5V input: depending on the DAC design, may or may not benefit. Owners with the AIYIMA D20 use its own internal power; iPower X is not the primary upgrade path there.
  • Alternative for higher-current amp use: AIYIMA 48V 6A Linear PSU or 48V 10A GaN PSU — different voltage, different power tier, purpose-built for TPA3255 amps.
  • Powered from the iPower X, the streamer feeds: AIYIMA A20 MONO pair, Fosi ZA3, or SMSL AO200 MKII for the amp end of the chain.

Recommended setup workflow

  1. Verify voltage requirement of your target device. Confirm 5V DC before purchase — check the stock wall wart's label.
  2. Confirm barrel-plug size and polarity. Most audio devices are center-positive 5.5x2.5mm or 5.5x2.1mm barrel; the iPower X includes multiple tips.
  3. Swap in place of the stock wall wart. Straightforward physical replacement.
  4. Allow 24-48 hours of warmup before serious A/B. Owner reports consistently note the iPower X improves slightly with initial powered-on time.
  5. A/B against the stock supply after a week of use. Some improvements are more apparent after ear adjustment to the "new baseline."
  6. Do not stack heat-sensitive gear on top. Runs cool but not cold; give it airflow.

Overall verdict from owner community: the iFi iPower X 5V is the community-standard premium ancillary power supply for 5V audio-adjacent gear on r/audiophile, Head-Fi network audio threads, and r/WiiM — the "cheapest big upgrade" for streamers, USB DACs, and Raspberry Pi audio builds. Skip it if you cannot hear the difference in your specific chain (nothing wrong with your ears — depends on resolution downstream), if you need higher current for a class-D amplifier (look at the AIYIMA 48V 6A Linear PSU or 48V 10A GaN PSU), or if your target gear needs 9V/12V/15V (buy the matching iPower X variant). For 5V audio gear specifically, this is what the community keeps recommending.

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Specification

BrandiFi Audio
ModeliPower X 5V
TypeUltra-Low-Noise Audiophile Power Supply / Wall Adapter
Output Voltage5V DC (also available in 9V, 12V, 15V for other devices)
Output Current3A max
TechnologyActive Noise Cancellation II (ANC II)
Noise Reduction40+ dB below the noise floor of stock switching supplies
Connectors2.5mm, 3.5mm, 5.5×2.1mm barrel jacks included
Compatible WithUSB DACs, network streamers (WiiM Mini/Pro/Ultra, Fosi S3), Raspberry Pi audio, Chord Mojo, iFi Zen series, Topping D10 series, Schiit Modi
Input Voltage100-240V AC (worldwide)
Input PlugUS 2-pin standard (adapters for EU/UK available)
Form FactorWall-wart brick with detachable output cable
In The BoxiPower X unit, output cable, connector tips (2.5mm/3.5mm/5.5×2.1mm), user manual
Warranty2 years manufacturer

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