Sennheiser HD 400 PRO reference headphones aim for ‘all the tiny details’


Sennheiser is again with one other pair of reference headphones focusing on professionals, studios, and anybody who wants to obviously hear each delicate observe in an audio mission. The Sennheiser HD 400 mannequin boasts a large frequency response past that of shopper headphones, exceeding the audible vary to make sure even probably the most nuanced sounds are perceived.

Sennheiser Worldwide/Sennheiser digital GmbH & Co. KG

Reference headphones are designed to supply a pure audio expertise. Music is delivered unaltered from its supply, which means the {hardware} doesn’t introduce a man-made enhance in bass or treble, doesn’t clean out pitchy sounds, and in any other case maintains a really impartial profile.

Sennheiser says it designed the HD 400 PRO to “reveal the entire tiny particulars” in music. The mannequin marks the corporate’s first PRO reference headphones with an open studio design, presenting the improved soundstage, readability, and audio depth related to open-back earcups (through Audio Recommendation).

Headphones on white table

Sennheiser Worldwide/Sennheiser digital GmbH & Co. KG

Usually talking, headphones sport closed-back earcups with the intention to stop sound leakage — and it’s this identical design that makes reference headphones unsuitable to be used on the workplace, on the bus, or anyplace different individuals are close by.

The audio firm paid particular consideration to studio wants when designing the HD 400 PRO. For instance, the mannequin options 120-ohm transducers embedded at a “slight angle” with the intention to replicate the identical place wherein an audio producer would hearken to content material with monitor loudspeakers.

The transducer association mixed with the open-back design, says Sennheiser, leads to “a large and spacious soundstage” with impartial, correct audio replica. The headphones are crafted to supply the consumer consolation throughout lengthy listening classes, together with mushy velour earpads and an ultra-light body combining “minimal strain” with cautious positioning to “gently” hug the consumer’s ears.

Headphones on desk

Sennheiser Worldwide/Sennheiser digital GmbH & Co. KG

The HD 400 PRO options an expansive 6 to 38,000Hz frequency response, sub-0.05% distortion, 120-ohm impedance, 110dB sound strain stage, and a 3.5mm audio jack. Sennheiser packs each straight and coiled removable cables with the headphones, in addition to a 1/4-inch (6.3mm) audio jack adapter to be used with skilled audio gear.

Regardless of its variety of options, Sennheiser has made the HD 400 PRO an affordable choice for audio professionals who’ve modest budgets. The mannequin is priced $249 USD / £219 GBP, undercutting sure competing fashions just like the $500 Shure SRH1540 and $349 Audio-Technica ATH-R70x.

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