Sennheiser HD 650 Open Dynamic Wired Headphones with Adapter

$389.95 OR

Regular Price: $549.95

Save: $160.00 (29%)

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Model: 508825 UPC: 615104340497 Item: 178044

Product Information

A benchmark for total audio immersion


  • Open-back dynamic headphones
  • Go-to reference for analytical listening
  • Special damping element made from fine acoustic metal mesh
  • Extremely tight production tolerances (± 1 dB) and handpicked components
  • Exclusive 42 mm transducer and 38 mm diaphragm
  • Detachable connecting cable made from highly conductive OFC copper
  • Lightweight, timeless design and comfortable velour pads for hours of fatigue-free listening
  • Impedance: 300 ohms
  • Frequency response: 12 – 41,000 Hz
  • Total harmonic distortion: <0.05%

When the music matters the most

The HD 650 reproduces the subtle details in your music with the same confidence as the highlights.

The (high) definition of smooth

Expertly balanced acoustics, luxurious construction and timeless design.

Smooth response and dimensional soundstage

Open earcups provide each and every soundwave ample room to expand as they would in nature.

Made with more in mind

Combines the best of modern transducer manufacturing with the attention to detail required to handle a wide variety of acoustic materials.

It's all about connection

Comes with a detachable, impedance-matched cable, stereo connector with audiophile-standard plug, and premium adapter.



  • Frequency response (speaker): 10 Hz - 41,000 Hz
  • Sound pressure level (SPL): 103 dB (1 V)
  • Impedance: 300 Ω
  • Total harmonic distortion (THD): < 0.05 % (1 kHz, 1 V)
  • Connector: 1/4" (6.35 mm) stereo jack plug
  • Adapter: 1/4* (6,35 mm) stereo jack plug to 3,5 mm stereo jack plug
  • Cable length: 3 m
  • Transducer principle: dynamic, open
  • Weight: .57 lbs
  • Ear coupling: circumoral
  • Magnetic field: 1.8 mT
  • Article number (SKU): 508825

What's in the Box

What's in the Box

  • HD 650 open, dynamic headphones
  • Connection cable with 1/4” (6.35 mm) stereo jack plug, length 3 m
  • Stereo jack adapter (1/4” (6.35 mm) to 3.5 mm)
  • Instruction manual



We'd love to hear your thoughts! Please leave a review.

Customer Reviews for Sennheiser HD 650 Open Dynamic Wired Headphones with Adapter

5.0 / 5.0
1 Review
5 Stars
4 Stars
3 Stars
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1 Star
Rated 5 out of 5
Just can’t be bettered for the price
I have had the HD 580 for twenty years and just love them. The HD650s are a major step above in sound and feel. World wide stereo was awesome.
This review was collected as part of a promotion
January 10, 2023
5 months ago


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