Sennheiser HD 400 PRO, an audio experience above the audible range

Beyond gaming devices, we must not forget other great brands with multipurpose headphones like Sennheiser, which presents today the new Sennheiser HD 400 PRO, headphones aimed at professionals, studios and big audiophiles who seek to hear music as clearly as possible. And is that this model not only has a wide frequency response, notably above consumer headphones, but also exceeding audible range to ensure that absolutely every nuance is perceived.

This is how Sennheiser herself defines it, who says she has designed these headphones as a tool for «reveal all the little details of the music«. The model marks the company’s first PRO reference headphones with an open study design, featuring enhanced soundstage, clarity, and audio depth associated with Audio Advice.

Reference headphones are designed to deliver a pure audio experience, with an unaltered audio output from your source, which means that the hardware does not introduce an artificial boost in the bass or treble, does not soften the high-pitched sounds, and otherwise maintains a very neutral profile.

The model counts with 120 ohm drivers embedded at a “slight angle” to reproduce the same position in which an audio producer would listen to content with monitor speakers, which combined with the open-back design, offers “a wide and spacious soundstage” with accurate, neutral audio reproduction. Qualities that add up to its expansive frequency response from 6 to 38,000 Hz, its distortion of less than 0.05%, impedance of 120 ohms, sound pressure level of 110dB and a 3.5mm audio jack.

Although this does not mean that the Sennheiser HD 400 PRO are not comfortable. And in fact, comfort is another of its main characteristics, with soft velvet ear cushions and an ultralight frame It combines minimal pressure with careful positioning to gently hug the wearer’s ears. In addition, they include detachable straight and coiled cables with the headphones, with a 3.5 mm jack output as well as a 1/4-inch (6.3 mm) audio jack adapter for use with professional audio equipment.

Despite its orientation to the premium segment, and even despite the prices that we are used to seeing in this brand, this time the Sennheiser HD 400 PRO come as a fairly reasonable option for audio professionals. And it is that although I still save priced at $ 249 (approximately 220 euros), we find headphones notably cheaper than other devices of its more direct competition such as the Audio-Technica ATH-R70x (349 dollars) or the Shure SRH1540 (500 dollars).

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