# iFi Audio DC Blocker+

**Brand:** IFI AUDIO
**Category:** Audio & casques
**Code (GTIN/SKU):** 5060738788361
**Canonical URL:** https://openreviews.io/en/reviews/ifiaudio/ifi-audio-dc-blocker-5060738788361

## Rating: 4.9/5 ★★★★★ — 12 reviews analyzed
_Confidence: high_

## At a glance

iFi Audio DC Blocker+ reviews: 4.9/5 based on 12 analyzed reviews from 3 sites, updated October 15, 2026.

Praised: hum elimination and DC filtering.

12 reviews analyzed, all published on other sites.
Other sites: 3 sources, 12 reviews, average rating 4.9/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This mains filter is designed to eliminate background noise and parasitic electrical hums that disrupt audio equipment. Users report excellent efficiency in cleaning up AC power by blocking unwanted DC components. No major flaws or drops in performance are reported by users, who are fully satisfied with its action on their system.

## Strengths

- **Hum elimination** — It effectively eliminates background noise and residual vibrations related to the power grid.
- **DC filtering** — The device blocks DC parasites to purify the audio signal.

## Frequently asked questions

- Is it effective on all types of amplifiers?
- Does this filter alter the sound dynamics?
- Is it simple to plug in behind a device?
- Does it completely eliminate transformer hum?

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_Source: OpenReviews — https://openreviews.io/en/reviews/ifiaudio/ifi-audio-dc-blocker-5060738788361_