HD 650

Headphones Audiophile Headphones

General Description

The audiophile HD 650 is the ultimate in open, dynamic headphone design. Developed from the award-winning HD 600, the HD 650s feature improved materials for even better sound reproduction. They captivate the listener with their expressiveness and emotion while maintaining absolute preci- sion and lifelike reproduction. Enjoy sound in all its perfection.

Features

Engineered for music

jHand-selected, matched headphone systems with very tight tolerances (+/- 1 dB)

Computer-optimised magnet systems for minimising harmonic jand intermodulation distortion

Extremely lightweight aluminium voice coils ensure accuracy and fast jtransient response

Neodymium ferrous magnet systems for high efficiency jSpecially developed acoustic silk provides uniform damping over its

entire frequency range as well as minimising IM and harmonic distortion Elegant silver-titanium finish

jHigh-quality metal mesh covers for superbly open and transparent sound

Extremely natural, spatial sound image

Balanced, crisp bass and deep bass reproduction

Authentic voice reproduction

jSpecially developed OFC copper cable, Kevlar-reinforced, insensitive to handling noise

Gold plated 1/4” jack plug with adaptor lead to 3.5 mm jack plug

Cat. No. 009969

Technical Data

 

Frequency response

10–39,500 Hz (–10 dB/1 kHz)

Transducer principle

dynamic, open

Nominal impedance

300 Ω

Sound pressure level

115 dB (at 1 kHz, 1 Vrms)

THD

≤ 0,05 %

Ear coupling

circumaural

Contact pressure

approx. 2.5 N

Weight (without cable)

260 g

Connector

1/4” (6.3 mm) stereo jack plug with

adaptor lead to 3.5 mm stereo mini jack plug

Connection cable

3 m, detachable, OFC copper cable

Replacement Parts

 

jEar pads (1 pair)

Cat. No. 050635

j

 

10-39,500 Hz

300 Ω

6.3/3.5 mm

OFC

0.05 %

3 m

260 g

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Sennheiser HD 650 manual Headphones Audiophile Headphones, Cat. No

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.