Come and enjoy this unique listening experience

Instruction Manual

HD 650

With the HD 650, Sennheiser has followed the changes in the liste- ning habits of music-lovers and the way in which they experience sound. In spite of all purism and the highest demands on precise sound reproduction, a slight change in listening behaviour is detec- table. Today many music-lovers want to feel the sound more in- stead of plainly analysing it. The HD 650 now captivates your sen- ses where you used to be a mere observer. It allows total submersi- on into an ocean of music and lets you completely forget your sur- roundings.

Come and enjoy this unique listening experience!

Features

yTop-of-the-range open, dynamic hi-fi stereo headphones

ySystems with narrow tolerances (± 1 dB), hand-picked in pairs

yHigh-quality titanium silver finish

ySpecially developed acoustic silk for precise, uniform attenuation over the entire area

yDetachable connecting cable made from highly conductive OFC copper, Kevlar-reinforced, with very low handling noise

yExtremely lightweight aluminium voice coils ensure excellent transient response

yExceptionally comfortable to wear due to elliptical design adapted to the shape of the ears

yCan be directly connected to stationary hi-fi components of the highest quality, in particular SACD, DVD-A and CD players

9969, HD 650 specifications

The Sennheiser HD 650 headphones are a staple in the audiophile community, celebrated for their exceptional sound quality and comfort. Launched in the early 2000s, these headphones have retained their popularity over the years, demonstrating timeless engineering and design.

One of the standout features of the HD 650 is its open-back design. This configuration allows for a more natural soundstage, improving spatial awareness and providing an immersive listening experience. Unlike closed-back headphones, which can trap sound, the open-back design helps create a sense of airiness and depth, making the sound feel more lifelike.

The HD 650 employs high-quality dynamic drivers, which deliver a frequency response ranging from 10 Hz to 39.5 kHz. This wide range ensures that low frequencies are reproduced with a rich, warm bass, while high frequencies maintain clarity and detail. The headphones have a nominal impedance of 300 ohms, making them best suited for use with dedicated headphone amplifiers. This requirement allows the headphones to shine, providing the necessary power for optimal sound reproduction.

Comfort is another hallmark of the HD 650. The plush ear pads and adjustable headband are designed for extended listening sessions without discomfort. The lightweight construction further enhances the experience, allowing users to enjoy their favorite music, movies, or podcasts for hours on end.

Sennheiser has also equipped the HD 650 with a low-distortion design, which minimizes sound coloration. The result is a headphone that reproduces audio with remarkable fidelity, allowing listeners to experience music as the artist intended. Additionally, the headphones feature a 3.5mm connector and come with a 1/4-inch adapter, making them compatible with various audio sources.

Another notable characteristic is the extensive attention to detail in the manufacturing process. Each pair of HD 650 headphones undergoes rigorous testing to ensure they meet Sennheiser's high standards of quality. This craftsmanship contributes to the headphones’ durability, making them a reliable choice for audiophiles and casual listeners alike.

Overall, the Sennheiser HD 650 headphones represent a harmonious blend of technology, comfort, and sound quality. With their open-back design, dynamic drivers, and meticulous construction, they continue to be a top choice for those seeking a premium audio experience. Whether for critical listening or casual enjoyment, the HD 650 delivers a performance that excites and satisfies.