The HD 400 PRO headphone by Sennheiser have an open-back build with an extensive frequency reponse. Designed to bring you a accurate and actual and natural reproduciton of your input signal, the Sennheiser HD 400 Pro’s are a mighty fine pair of music production headphones.
Being the first open-back studio headphones in Sennheiser’s PRO Line, the HD 400 PRO reference headphones present a wide 6 Hz to 38kHz frequency response and bring an unaltered sound for precise mixdowns, reports gearnews.com
The official HD 400 PRO page on the Sennheiser state that the transducers inside the headphones are made from a special polymer blend work with powerful driver magnets to deliver a “clear and well-defined bass range”, as well as “nuanced harmonics”. The also transducers sit at a slight angle to emulate the typical equilateral triangle monitor position for the most accurate sound.
Sennheiser also states that the open-back design reproduces any input signal in a wide and spacious sound stage with a transparent reproduction of the sound.
The circumaural design, soft velour earpads and an ultra-light frame all make the HD 400 PRO sit on our heads and encompass our ears comfortably.
Ultimate sound, ultimate comfort.
In the box comes a 3-meter coiled cable, as well as a 1.8-meter straight cable.
- Acoustic principle: dynamic, open
- Ear coupling: circumaural
- Frequency response: 6 – 38,000 Hz
- THD: < 0.05% (at 1 kHz, 90 dB SPL)
- Impedance: 120 Ω
- Sound pressure level: 110 dB (1 kHz, 1 Vrms)
- Connector: 3.5 mm (1/8”) jack with adapter to 6.3 mm (1/4”) jack
- Weight: 240 g (without cable)
The Sennheiser HD 400 PRO headphones are now available at Thomann for £211.
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