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Sennheiser HD 650 Stereo Reference Headphones

BH #SEHD650 • MFR #508825
Sennheiser HD 650 Stereo Reference Headphones
Key Features
  • Open, Dynamic, Circumaural Design
  • Audiophile Sound Reproduction
  • Frequency Response: 10 Hz to 39.5 kHz
  • Acoustic Silk Attenuation
The HD 650 from Sennheiser are reference-class stereo headphones designed to deliver a true audiophile experience with an open, natural sound. Specially developed acoustic silk was used to provide uniform attenuation over the entire area of each ear-cup. The lightweight aluminum voice coils ensure a remarkable transient response, while the full-range drivers offer a frequency response of 10 Hz to 39.5 kHz. Great care was taken to ensure the headphones are comfortable with their elliptical design, which naturally adapts to the shape of the ear.
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Sennheiser HD 650 Overview

The HD 650 from Sennheiser are reference-class stereo headphones designed to deliver a true audiophile experience with an open, natural sound. Specially developed acoustic silk was used to provide uniform attenuation over the entire area of each ear-cup. The lightweight aluminum voice coils ensure a remarkable transient response, while the full-range drivers offer a frequency response of 10 Hz to 39.5 kHz. Great care was taken to ensure the headphones are comfortable with their elliptical design, which naturally adapts to the shape of the ear.

The HD 650 utilizes a 9.8' detachable cable made from a highly conductive OFC copper with low handling noise and low structure-borne sound sensitivity. The headphones can be used with high-output mobile devices and excel with high-quality stationary hi-fi components such as SACD, DVD-A, and CD players. The HD 650 ships with the detachable cable and a 1/4" to 3.5mm adapter.

  • Top-of-the-range open, dynamic hi-fi stereo headphones
  • Systems with narrow tolerances (±1 dB), hand-picked in pairs
  • High-quality titanium / silver finish
  • Specially developed acoustic silk for precise, uniform attenuation over the entire area
  • Specially modulated connecting cable (detachable) made from highly conductive OFC copper, with very-low handling noise
  • Extremely lightweight aluminum voice coils ensure excellent transient response
  • Comfortable to wear due to elliptical design adapted to the shape of the ears
  • Can be directly connected to stationary hi-fi components of the highest quality, in particular SACD, DVD-A, and CD players
UPC: 615104340497

Sennheiser HD 650 Specs

Key Specs
Earpiece Design
Over-Ear (Circumaural), Open-Back
Earpiece Swivel
No
Foldable
No
Impedance
300 Ohms
Active Noise Cancellation
No
Frequency Response
10 Hz to 39 kHz
Audio Connector
1/4" TRS
Included Adapter
1/8" / 3.5 mm TRS
Headphone
Earpiece Design
Over-Ear (Circumaural), Open-Back
Earpiece Swivel
No
Earpiece Connection / Wearing Style
Headband
Foldable
No
Driver Type
Dynamic
Driver Size
1.7" / 42 mm
Voice Coil
Copper-Clad Aluminum Wire
Impedance
300 Ohms
Active Noise Cancellation
No
Contact Pressure
6.0 N
Performance
Frequency Response
10 Hz to 39 kHz
Maximum Sound Pressure Level (SPL)
103 dB at 1 kHz / 1 Vrms
Maximum Power Handling
500 mW
Total Harmonic Distortion (THD)
0.05%
Wired Connectivity
Audio Connector
1/4" TRS
Included Adapter
1/8" / 3.5 mm TRS
Cable Design
Y-Type
Audio Connector to Earpiece
2 x 2-Pin
Cable Length
9.8' / 3 m (Straight Cable)
Cable Color
Black
Cable Conductor Material
Oxygen-Free Copper
Color
Gray
Environmental Protection
No
Weight
9.2 oz / 260 g (without Cable)
Packaging Info
Package Weight
1.35 lb
Box Dimensions (LxWxH)
12.7 x 10.15 x 4.35"

Sennheiser HD 650 Reviews

See any errors on this page? Let us know

Must i use it only with amplifier or it good ...

Must i use it only with amplifier or it good works with directly PC soundcard?
Asked by: Danil
Most PC sound cards will not drive these 300 Ohm headphones. Use a headphone amplifier.
Answered by: Mark
Date published: 2023-11-18

Will they work with an iPhone or iPad?

Will they work with an iPhone or iPad?
Asked by: Lowell
The Sennheiser HD 650 Stereo Reference Headphones have a higher than average impedance at 300 ohms, so although they will work with any device that has a 3.5mm headphone jack, they may be quieter than expected when used with consumer devices such as phones and tablets.
Answered by: calvinm
Date published: 2023-11-19

Made in China or Germany?

Made in China or Germany?
Asked by: Johnny
The Sennheiser HD 650 was manufactured in Romania.
Answered by: leticia
Date published: 2022-08-18

Does the HD650 come with a set of replacement ...

Does the HD650 come with a set of replacement earcups?
Asked by: Ben
No they do not,
Answered by: James Cruz
Date published: 2021-05-10

Are the cables removable/replaceable?

Are the cables removable/replaceable?
Asked by: John
Yes."Specially modulated connecting cable (detachable) made from highly conductive OFC copper, with very-low handling noise"
Answered by: Mark
Date published: 2020-10-02

Will these work with the new Cambridge dac, from ...

Will these work with the new Cambridge dac, from the headphone jack of the PC?
Asked by: Richard
These headphones would work with a DAC such as the DACMagic 200M BH #CAC11217.
Answered by: Daniel
Date published: 2021-03-08

External DAC drive these like Cambridge, well I ...

External DAC drive these like Cambridge, well I still need a headphone amp?
Asked by: Richard
If the DAC can handle 300-600 ohm headphones, then you would not need amp amp.
Answered by: Daniel
Date published: 2021-03-08

Does anyone experience tightness or any type of ...

Does anyone experience tightness or any type of discomfort wearing the HD 650?
Asked by: Bohdan
Most users find the Sennheiser HD 650 Stereo Reference Headphones to be very comfortable, but it is possible that someone may find headphones to be tight, depending on the size of their head and how they fit. Just like with clothing and shoes, one size does not always fit everyone and while an item may be perfect for one person, your personal results may vary.
Answered by: Lisa
Date published: 2023-02-07
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