Audiolab DC-BLOCK 6 Six-Way DC Blocker

Audiolab DC-BLOCK 6 – Six-Way DC Blocker (Available in black or silver)

The ultimate solution against hum and interference

Whether it’s transformer hum, ground loop noise, or high-frequency interference – the Audiolab DC BLOCK 6 eliminates DC offset and filters power line noise for a cleaner signal path and more dynamic sound.

The quality of mains power has a fundamental impact on audio signals as they travel through a system from source to amplifier to loudspeakers. In a typical home, the power grid is subject to various interferences that distort the AC waveform before it reaches your components. This introduces noise into the audio signal and degrades sound quality – a problem that increases with the number of electrical devices connected to the mains.

One common issue is “DC on the mains” – a known cause of degraded audio performance, especially in amplifiers. In theory, the electricity supplied to our homes should be pure alternating current (AC), with a perfectly symmetrical sine wave alternating between positive and negative phases.

However, the transformers used in most home audio gear cannot tolerate significant levels of DC voltage without being affected. As little as 500 mV of DC – typical in household power – can saturate toroidal transformers (commonly found in amplifiers), leading to reduced performance and audible mechanical hum.

The Audiolab DC BLOCK 6 offers a six-way solution to this all-too-common problem.

It blocks DC from the AC power line, corrects DC offset, and restores a balanced AC sine wave. But eliminating DC is not its only benefit – the unit also includes a high-performance audio-grade filter stage that removes RFI/EMI interference from the mains power. This effectively reduces both differential-mode noise (caused by cheap switch-mode power supplies in many appliances) and common-mode noise (caused by airborne disturbances from phones, Wi-Fi, and Bluetooth).

Key Features

• Suitable for all audio and AV systems

• Removes DC from the AC mains and reduces transformer hum and RF interference

• Improves mains quality, transformer performance, and overall sound quality

• Six independent filtered outputs for source components (e.g. power amps, preamps, integrated amps, CD players, DACs)

• Single mains input connection

• Simple OLED voltage display with on/off option

Specifications

Type: Mains filter and DC blocker
6 high-frequency filtered outlets for noise suppression
DC blocking on the power line
Overload protection
Digital voltage display
Power rating per outlet: 8 A
Max total load: 10 A
Net weight: 4.6 kg
Gross weight: 6.8 kg
Dimensions (W x H x D): 444 x 306.4 x 78.4 mm
Power input (region-specific): 100–240 V ~ 50/60 Hz
Included accessories:
6 x IEC C13 to C14 1.5 m power cables
1 x mains power cable

Processing Time
1–3 business days

14-Day Return Policy
If the product arrives damaged due to transport, Audio Everywhere will cover the return shipping costs.

Warranty & Manufacturer Guarantee
Audio Everywhere provides a 2-year statutory warranty on all new products in accordance with EU consumer protection law.
Additionally, a 2-year manufacturer guarantee is offered directly by the respective brand. Claims can be processed through us as an authorized dealer.
In some cases, registering the product on the manufacturer’s website may further extend the warranty period.

EC | RE Authorized European Representative
Contact: Thomas Henke
Company: IAD GmbH
Address: Johann-Georg-Halske-Straße 11, 41352 Korschenbroich, Germany
Phone: +49 (0)2161 6178 30
Fax: +49 (0)2161 6178 350
Email: ce-rep@iad-gmbh.de