HD 650 Sennheiser Headphones

HD 650 Refurbished

A benchmark for total audio immersion.

Accessories and Cables
2 years manufacturer warranty
30-Day Free Return
Limited Stock

Original Price$549.95Sale Price$399.95Plus applicable sales tax – Free shipping

Certified Refurbished

Products that have been tested, checked, and thoroughly inspected to meet the same high-quality standards as our new products.

When the music matters the most

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

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


  • Open-back dynamic headphones
  • Special damping element made from fine acoustic metal mesh
  • Exclusive 42 mm transducer and 38 mm diaphragm
  • Lightweight, timeless design and comfortable velour pads for hours of fatigue-free listening
  • Frequency response: 12 – 41,000 Hz
  • Go-to reference for analytical listening
  • Extremely tight production tolerances (± 1 dB) and handpicked components
  • Detachable connecting cable made from highly conductive OFC copper
  • Impedance: 300 ohms
  • Total harmonic distortion: <0.05%
hd 650 sennheiser

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)
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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