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Sennheiser Unleashes Its HD 700 High-End Headphones

Sennheiser Unleashes Its HD 700 High-End Headphones

Sennheiser has announced the premium HD 700 today.

Designed to enable sound waves to be directed to the ears at a slight angle, these fully open dynamic stereo headphones feature the 40mm Duodol transducer, with its powerful neodymium magnet systems delivering detailed, lifelike audio reproduction from 10Hz to 42kHz. Dips in the bass level are effectively suppressed by the multilayer design of the headband, while the microfiber ear cushions guarantee wearing comfort.

Technical Specifications
Frequency Response 15–40,000 Hz (-3 dB)
8–44,000 Hz (-10 dB)
Transducer Dynamic, open
Nominal impedance 150ohms
Ear coupling Circumaural
Weight (without cable) Approx. 270g
Connector 6.3mm stereo jack plug
Cable Symmetrical, silver-plated oxygen-free (OFC) copper cable, 3m

The Sennheiser HD 700 is priced at S$1,399 and is available at Stereo retail stores at ION and Plaza Singapura.

Read on for the full press release.


Singapore – Audio specialist Sennheiser announced the launch of its premium headphone, the HD 700, today. These fully open dynamic stereo headphones combine unsurpassed sound with an innovative headphone design.

“The HD 700 features a perfect combination of outstanding acoustic properties and sophisticated product design,” said Maurice Quarré, Director Product Lifecycle Management Sennheiser Consumer Electronics. “Its styling and material selection have been thought through down to the finest detail in order to fully exploit the sound potential of the acoustic unit.”

The ear cups are designed in a way that the sound waves are directed to the ears at a slight angle. This results in an impressively natural listening experience. The ear cups themselves have a completely open design which not only ensures a highly transparent sound but also clearly displays the "heart" of these exciting headphones: the 40 mm Duofol transducer. Its powerful neodymium magnet systems guarantee detailed, lifelike audio reproduction from 10 to 42,000 Hz.

Small details for a great sound

“To ensure that the acoustic properties of the headphones are not impaired by any partial vibrations, the transducer is mounted in a high-precision gauze made of stainless steel, as is the case in the HD 800 reference headphones,” explained Axel Grell, Senior Acoustic Engineer at Sennheiser. A new patent pending feature is the special shape of the gauze, which continues the curved lines of the diaphragm. The resulting curvature reduces the volume of air beneath the diaphragm, thus guaranteeing even more precise control of the diaphragm motion and significantly lowering total harmonic distortion.”

The endeavour to fully exploit the sound potential of the premium headphones led to a further small but effective innovation: a ventilated magnet system. The idea is actually quite simple. “The up and down motion of the diaphragm produces an air flow in the magnet system housing that causes the diaphragm to wobble slightly,” explained Axel Grell. “Bypositioning precisely defined holes in the housing directly under the magnets, we can cause the air to flow in a specific direction. This minimises the wobbling motion of the diaphragm.” And the result is impressive: with total harmonic distortion of less than 0.03 percent (at 1 kHz and 105 dB sound pressure level), the HD 700 offers brilliant trebles, precise bass reproduction and a crystal-clear sound. Dips in the bass level are effectively suppressed by the patent-pending multilayer design of the headband.

Designed to meet the highest demands

A puristic shape and the black-and-silver finish give the high-end headphones not only a luxuriously elegant but also a high-tech appearance. The ear cushions made of high-quality microfibre fabric guarantee excellent wearing comfort. “The HD 700 fulfils all the wishes of the most demanding music lovers, both in its visual appearance and its outstanding sound quality,” said Maurice Quarré. “Its warm, balanced and detailed sound turns classical music, jazz, rock or soul into a fascinating listening experience. High-end fans are bound to be delighted by these exciting new premium headphones.”

Pricing and Availability
The new HD 700 is retailing at SGD$1,399 and is available at the following retail stores today:
Stereo, ION Orchard, #B4-23/24
Stereo, Plaza Singapura, #04-06

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