Sennheiser HD 400 Pro Dynamic Open-Back Studio Headphones
Model: HD 400 PRO


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General Specification
Accoustic principle | Dynamic, open |
Ear coupling | Circumaural |
Ear pad material | Velour |
Jack plug | 3.5mm jack plug with 6.3mm adapter |
Impedance | 120 Ohm |
Frequency response | 6 Hz to 38 kHz (-10 dB) |
Sound pressure level (SPL) | 110 dB (1 kHz / 1V RMS) |
THD | < 0.05 % (1 kHz / 90 dB SPL) |
Temperature | Operation: 5 Degree F to 131 Degree F (-15 Degree C to +55 Degree C)Storage: -67 Degree F to 158 Degree F (-55 Degree C to +70 Degree C) |
Relative humidity | <= 90 % |
Weigth | Without Cable: 8.46 oz (240g) |
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Sennheiser is one of the first names that comes to mind when talking about premium quality headphones. The German brand has made a strong presence in the professional headphones segment over the years.
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Comfortable to use., Gets multiple cables., Well-defines bass.
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The Sennheiser HD 400 Pro expands the professional range of the HD series with an open model. These new over-ears impressed us with an easy-going, warm sound, high wearing comfort and uncomplicated handling. However, if you are expecting a proper analytical tool, you may be disappointed.
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German audio titans Sennheiser operate across multiple markets, and although they manufacture many headphone models that are widely used in studios, not all of these are officially ‘pro audio’ products.
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The Sennheiser HD 400 Pro are targeted at audio professionals and audiophiles. At Rs 15,000 ($249), they are amongst the best professional headphones that sort of money can buy.
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Remarkable clarity, Two cables, adapter in the box, Very comfortable to use, Understated, classy design
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No case in the box, Not foldable, Not everyone will like the "flat" signature
It was a good price to everywhere else, but it wasn't worth the £193 in comparison to much cheaper headphones, thats not your fault, the manufacture sells it to you dear and you add your cut.
- First Pro dedicated open-back headphones for professional mixing, editing and mastering
- A professional's tool with neutral sound reproduction
- Lightweight design for all-day usage
- Single-sided, coiled cable allows freedom to operate
- Angled transducers designed for low distortion at high SPL
- Cup Style: Open-back
- Features: Noise Isolating
- First Pro dedicated open-back headphones for professional mixing, editing and mastering
- A professional's tool with neutral sound reproduction
- Lightweight design for all-day usage
- Single-sided, coiled cable allows freedom to operate
- Angled transducers designed for low distortion at high SPL
- Cup Style: Open-back
- Features: Noise Isolating
Average Expert Score
Average User Score
- Sennheiser HD 400 Pro Dynamic Open-Back Studio Headphones
- 3m Coiled Cable with 3.5mm Jack Plug
- 3.5mm Jack Plug to 6.3mm Adapter
- 1.8m Straight Cable
- Quick Start Guide
- Sennheiser 2 Year Limited Warranty