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iFi DC iPurifier2

Product SKU: DC iPurfier2


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Product Details

(Specifications and appearance of this product are subject to change without notice)
↓ Details provided by iFi

  • With 3 DC barrel versions: 5.5 x 2.1mm (adapters for 5.5 x 2.5mm and 3.5 x 1.35mm included)
  • With polarity inverter (white)

DC iPurifier2

Punk, rock, pop, classical or grime. Whatever your tastes, you deserve a clean music experience.

And the cleanest way to enjoy your favourite genre is with the DC iPurifier2

Make it clear.

Listening to music on your home system should be perfect, but chances are it isn’t, and that’s because of hiss and distortion created by your power sockets, plugs, and other electronic devices.

The DC iPurifier2 puts a barrier between them.

It strips away noise and restores clear sound.

Finding a smoother, cooler audio experience is next to impossible.

One small device, many, many applications - noise reduction for 5v -24v SMPS.

Just add between the SMPS and the device, for example, a router, DAC, set-top box, media streamer, laptop or desk mixer.

Noise will be reduced by a factor of 316x to 100,000x.

A plethora of top-notch components - high-precision MELF resistors, Panasonic SP-Cap polymer aluminium capacitors, custom operational amps plus copper-alloy shielding.

By generating a signal identical to the noise signal but in the exact opposite phase, our Active Noise Cancellation2® (ANC2) actively cancels all incoming noise.

Adapted to change.

The DC iPurifier2 handles 5 volts right through to 24, and comes in the following adapter sizes:

  • 5 x 2.1mm
  • 5 x 2.5mm
  • 5 x 1.35mm
It’s compatible with all power supplies.

A quest for quiet.

The DC iPurifier2 leaves no stone unturned in its quest to reduce noise, buzz and jitter from your music.

Listen to what you love in complete tranquillity.

The tech spec.

The DC iPurifier2 has taken a step into the next generation with:

  • Active Noise Cancellation2® That sharply reduce noise and bring recordings to the fore
  • Panasonic SP-Cap Polymer Capacitors Further minimises noise and keeps your device temperature stable

Reverse polarity warning.

The red protection LED will be lit if the input polarity is reversed.

A ground-up, ultra-wide band design.

Effective from 1Hz all the way up to 5GHz.

Crucially the strongest performance is in the audible range of 20Hz to 20KHz.

Different types of DC barrel connectors.

The DC iPurifier2 works with 5.5 x 2.1mm but also ships with adapters for 5.5 × 2.5mm and 3.5 × 1.35mm.

So, what’s new?

The DC iPurifier2 uses iFi’s optimised Active Noise Cancelation2 technology based on the ingenious Thales Spectra military radar defence technology used in jet fighters.

In the immortal words of Maverick from Top Gun, “Maverick going supersonic. Be there in 30 seconds!”


  • With 3 DC barrel versions: 5.5 x 2.1mm (adapters for 5.5 x 2.5mm and 3.5 x 1.35mm included)
  • With polarity inverter (white)


Compatibility: 5-24V DC power supply units (up to 3.5A, 84W)

Construction: iFi ‘FINAL’ aircraft-grade RFI shielded aluminium chassis

Warranty: 12 months

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