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Sennheiser launches HD 400 Pro studio headphone for audio professionals

By Kenny Yeo - on 30 Jan 2022, 10:48am

Sennheiser launches HD 400 Pro studio headphone for audio professionals

Note: This article was first published on 1 December 2021.

The new Sennheiser HD 400 Pro. (Image source: Sennheiser)

Sennheiser has just unveiled the HD 400 Pro, a pair of headphones that the company say is ideal for mixing, editing, and mastering.

It's the company's first-ever open-back studio headphone. Open-back professional headphones are a rarity because most professionals prefer closed-backs for their noise isolation.

Still, open-back professional headphones have their advantages. Most crucially, open-back headphones generally sound more natural because there's no enclosure to cause unwanted resonances and sound reflections.

Open-backs are also usually lighter because there's less material in their construction. This can be beneficial for long listening sessions. The HD 400 Pro weighs just 240g.

In terms of design, the HD 400 Pro look to be identical to last year's HD 560S. The head band, cups, and even pads all look and feel the same. The only prominent difference is that the Sennheiser logo on the grille is rendered in black, giving the HD 400 Pro an all-black aesthetic.

(Image source: Sennheiser)

The HD 400 Pro's drivers seem to be identical to the HD 560S' too. They have the same impedance (120 ohms), the same sensitivity (110dB/1V RMS), and even the same frequency response (6Hz to 38kHz).

 And I've been listening to the HD 400 Pro for the past week and they seem to sound identical too. I'll need more time to confirm this but that's not a bad thing because the HD 560S is a capable performer.

Like the HD 560S, the HD 400 Pro sounds mostly neutral. Bass isn't overly elevated, the mids are spot-on, and it sounds like there's only a slight unevenness in the treble. Resolution is decent too.

The HD 400 Pro is also compatible with Dear Reality's headphone monitoring plugins. It has already been integrated into the Spatial Headphone Compensation feature in dearVR MIX and it will also be integrated into dearVR MONITOR by the end of this year.

The HD 400 Pro will come with a standard 1.8-metre straight cable and a longer 3-metre long coiled cable for studio use. Both cables terminate in a 3.5mm plug but a quarter-inch adapter is provided.


Availability and pricing

The Sennheiser HD 400 Pro is priced at S$459 and you can find it at Hung Brothers Electrical Trading and Luther Music .

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