HD 650

A benchmark for total audio immersion.

€499.00Incl. VATLearn More

When the music matters the most

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

hd 650 sennheiser
balance sound headphones

The (high) definition of smooth

Expertly balanced acoustics, luxurious construction and timeless design.

HD 650 open earcups headphones

Smooth response and dimensional soundstage

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


  • 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%
HD 650 features

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.

HD 650 home listening headphones

It's all about connection

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

HD 650 sennheiser
  • Hi-fidelity sound
  • Open-back design
  • 42mm transducers
  • Luxurious comfort
  • Detachable cable


Frequency response (speaker)
10 Hz - 41,000 Hz
Sound pressure level (SPL)
103 dB (1 V)
300 Ω
Total harmonic distortion (THD)
< 0.05 % (1 kHz, 1 V)



Accessories & spare parts

We are committed to the longevity of our products.

  • Adapter KLB 6,3S / KL 3,5 gold
    Adapter KLB 6,3S / KL 3,5 gold
  • Cable 3m jack 6.35S
    Cable 3m jack 6.35S

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