iFi audio SilentPower iPower X 12V Power Supply Adapter

Clean 12 V Power for Sensitive Hi-Fi Electronics

The SilentPower iPower X 12V is an ultra-low-noise AC/DC power supply built to replace the basic wall adapter that comes bundled with most hi-fi gear. By feeding DACs, headphone amplifiers, phono stages, network switches and similar components with a tightly regulated 12 V at 2 A, this adapter removes a layer of mains-borne electrical noise that would otherwise leak straight into the audio signal path. The result is a quieter background, more stable imaging and a more natural presentation from equipment that is otherwise perfectly capable.

What Sets the iPower X Apart

Inside the cream-coloured chassis sits the brand's Active Noise Cancellation II circuit, which tackles low- and mid-frequency interference, while solid organic semi-conductor capacitors on the output stage suppress high-frequency noise. Compared with a typical switched-mode power supply, leakage capacitance is roughly 20× lower (around 100 pF versus 2,200 pF), and both input and output capacitance have been increased over the original iPower — input by 50 % and output by 150 %. A backlit cyan iFi logo confirms at a glance that the unit is powered and connected.

Key Specifications

• Output Voltage / Current: 12 V / 2.0 A — a common rail for DACs, headphone amps and small network devices
• Input: 100–240 VAC, 50–60 Hz, 1.5 A with interchangeable UK / US / EU / AU mains pins for travel-friendly use
• Noise Floor: ~1 µV thanks to Active Noise Cancellation II and solid organic semi-conductor filtering
• DC Plug Tips Included: 3.5×1.35 mm, 4.0×1.7 mm, 4.8×1.7 mm, 5.5×2.1 mm and 5.5×2.5 mm plus a centre-pin-negative reverse-polarity adapter
• Dimensions: 95 × 50 × 43 mm
• Weight: 135 g

Who the iPower X 12V Is For

The SilentPower iPower X 12V is the right choice for hi-fi owners and home-studio users who want to upgrade the weakest link in their signal chain — the wall-wart — without swapping out their favourite DAC or amplifier. It suits anyone running a 12 V device such as a headphone amp, streamer, small DAC, phono stage or audio-grade network switch from a noisy mains outlet, and who is happy to spend a modest sum in exchange for a noticeably quieter background, better dynamics and a more transparent sound. Reviewers and owners consistently report clearer separation between voices and instruments, reduced hum and a generally "lifted veil" effect once the standard adapter is swapped for this one.