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About the Hegel H400

Serious power, modern streaming, and proper hi-fi credentials

The Hegel H400 is a high-performance streaming integrated amplifier. It gives you authority, refinement and long-term usability in a single box. It sits between the H200 and the H600 in Hegel’s integrated amplifier range. Inside, you get a powerful dual-mono amplifier stage, a high-quality built-in DAC and a modern streaming platform.

Hegel H400 with KEF R11 Meta speakers
Hegel H400 with KEF R11 Meta speakers

250 watts per channel into 8 ohms, 2-ohm stability and a damping factor of 4,000 mean the H400 stays composed when speakers get demanding. That is not just about playing louder. It means better grip, cleaner bass, stronger dynamics and a calmer, more controlled presentation across the frequency range, at any volume level.

None of that is simply about brute force, though. Hegel’s dual-mono construction, symmetrical layout and SoundEngine 2 error-cancelling technology work together for one reason: to let the amplifier sound powerful without sounding forced. The result feels open, neutral, stable and unruffled, even when the music becomes dense or the speakers are difficult to drive.

Bass has greater control, vocals are clearer and complex recordings are easier to follow. Rather than adding character of its own, the H400 reveals what your source and speakers are capable of.

A proper streamer, not an afterthought

The H400 shares Hegel’s latest streaming platform with the more compact H150 and H200, and the flagship H600. It pairs serious amplifier performance with the latest streaming protocols. For many buyers, it will replace not just an amplifier, but a separate streamer and DAC too.

The built-in streamer supports AirPlay, Spotify Connect, Qobuz Connect, Tidal Connect, Roon Ready, Google Cast and UPnP. It supports all popular digital audio formats and gapless playback. The Hegel Control app adds volume and input control, plus access to internet radio and podcasts.

That makes it a strong choice if you want a clean, high-performance system without extra boxes. Connect it to your network, and add speakers and sources as needed. You end up with a system that feels simple to live, yet still delivers serious audiophile performance.

A high-quality DAC with room to grow

The Hegel H400’s DAC is based on the design used in the H600. That gives it a far more serious digital front end than the DAC stages found in many all-in-one amplifiers. Just as importantly, you are not locked into it forever. Generous analogue and digital connectivity, plus Hegel’s DAC Loop feature, make it easy to add an external DAC later. You might buy the H400 because it simplifies your system today. It can still make sense tomorrow, too, if you add a dedicated transport, a phono stage or a subwoofer down the line.

Hegel H400 inputs and outputs
The Hegel H400 is equipped with both analogue and digital inputs and outputs.

One-box convenience without one-box compromise

A lot of amplifiers promise to do everything, but few combine convenience with genuine performance. The H400 is one of the more convincing examples. It does not feel like a lifestyle product trying to sound like serious hi-fi. Instead, it feels like a serious hi-fi amplifier that also happens to be unusually complete.

For the right buyer, that is exactly the appeal. You get real power and control, a refined DAC, modern streaming and the flexibility to build a serious system around one core component.

Features

Power & amplification

250 W per channel into 8 ohms

Headroom for demanding speakers – authority in reserve, not always at the limit.

Stable into 2-ohm loads

Stays composed with difficult speakers that would unsettle a lighter amplifier.

Dual mono design

Separate channel architecture for greater separation, stability and stereo width.

Hegel SoundEngine 2

Error-cancelling technology that reduces distortion without blunting dynamics.

Streaming

Roon Ready

First-class endpoint – appears as a zone and accepts hi-res audio directly from your Roon Core server.

TIDAL, Qobuz & Spotify Connect

Hi-res lossless streaming from all three services, using native apps.

AirPlay & Google Cast

Works from every phone in the house – guests included, no setup needed.

Hegel Control app

Volume, inputs, internet radio, podcasts and UPnP media server playback.

Digital & DAC

H600-derived DAC platform

Bit-perfect architecture from Hegel’s flagship – a serious step up from typical all-in-one DACs.

USB up to 32-bit / 384 kHz & DSD256

Computer audio at the highest current resolutions.

DAC Loop via BNC

An upgrade path built in from the start – add an external DAC later without rethinking your system.

MQA decoding

Full MQA decoding on board.

Connectivity & usability

Ethernet only (no Wi-Fi)

A deliberate choice – wired network improves reliability and keeps RF noise away from the audio path.

Fixed and variable line outputs

Subwoofer, recording device or secondary amplifier – both output types are on board.

USB, coaxial and optical

Enough inputs for a CD transport, TV, computer and streaming source – all connected simultaneously.

Front panel OLED display

The central display shows volume and source information, as well as providing access to the settings menu.

TV remote compatibility

Can be configured to respond to most TV remotes – particularly useful in a living-room setup.

Specifications

BrandHegel
ColourBlack
Analogue Inputs1 x balanced XLR, 2 x unbalanced RCA
Digital Inputs1 x coaxial BNC, 1 x coaxial RCA, 1 x Ethernet, 1 x USB (Type B), 3 x optical Toslink
Analogue Outputs1 x fixed RCA, 1 x variable RCA
NetworkEthernet
Streaming SupportAirPlay, Qobuz Connect, Roon Ready, Spotify Connect, TIDAL Connect, UPnP/DLNA media server
Supported FormatsAAC, AIFF, DFF, DSF, FLAC, MP3, MQA, OGG, PCM, WAV
Power Output2 x 250 W (8 Ω)
Minimum Load2 Ω
Frequency Response5 Hz – 180 kHz
Signal-to-Noise Ratio>100 dB
Crosstalk<100 dB
Distortion<0.005% @ 50 W, 8 Ω, 1 kHz
Intermodulation<0.01% (19 kHz + 20 kHz)
Damping Factor>4000 (main power output stage)
Dimensions (W x D x H)430 mm x 440 mm x 150 mm
Weight20 kg
Warranty2 years

What’s in the box?

  • Hegel H400 streaming integrated amplifier
  • Hegel RC8 aluminium remote control
  • 2 x AAA batteries (for the remote control)
  • User manual
  • Mains cable

See the H400 in action

Watch Hegel’s introduction to the H400 – covering its design philosophy, streaming platform and what sets it apart from the competition.

Downloads

Frequently asked questions

Questions about streaming, connectivity or system matching? Here are some of the things customers most often ask about the Hegel H400.

Can I use the H400 as a complete one-box system?

Yes. The Hegel H400 combines a powerful integrated amplifier, a high-quality DAC and a full modern streaming platform in one chassis. Add speakers, connect it to your network and you have the core of a serious hi-fi system. You can simplify your system without giving up the power and performance expected from a serious high-end amplifier.

Is it powerful enough for demanding speakers?

Yes. With 250W per channel into 8 ohms, stability into 2-ohm loads and a damping factor of 4,000, it is designed to maintain control over a very wide range of loudspeakers, including models that are harder to drive well.

What streaming services does it support?

It supports AirPlay, Spotify Connect, Qobuz Connect, Tidal Connect, Google Cast and UPnP. It is also certified Roon Ready. The Hegel Control app for iOS and Android adds internet radio and podcasts.

Does it have Wi-Fi?

No. The H400 uses Ethernet for its network connection. Hegel’s approach here is deliberate, favouring stability and reducing the chance of RF noise entering the audio circuitry.

Can I connect a turntable?

Yes, but you will need a separate phono stage unless your turntable already has one built in. It has line-level analogue inputs, not a dedicated phono input. For an MM and MC phono stage which matches the amplifier’s performance and aesthetic, look no further than the Hegel V10.

Can I connect the H400 to a CD transport or other digital source?

Yes. It includes USB, coaxial and optical digital inputs, so it can work very well with CD transports, streamers, TVs, computers and other digital sources.

Can I add a subwoofer?

Yes. It has a variable-level (preamp) output that can be used to integrate a subwoofer or power amplifier. Or you can connect the amplifier’s speaker terminals to your sub’s high-level input.

Can I upgrade the DAC later?

Yes. One of the H400’s strengths is that it does not trap you in a fixed all-in-one architecture. You can continue to use its internal DAC and streaming platform, or add external digital hardware later. With Hegel’s DAC Loop feature, you can add an external DAC (Hegel’s own D50 is the perfect partner) and still use the built-in streamer and digital inputs. You can also continue to use the remote control and the Hegel Control app, so nothing is lost in terms of convenience or usability.