At a glance
- Design
- Open
- Driver
- Dynamic
- Impedance
- 300 Ω
- Sensitivity
- 92 dB/mW
- Headphone connector
- Sennheiser 2-Pin
- Amplification needs
- Medium – regular headphone amp
Sennheiser HD 600
The reference headphones for demanding audiophiles, HD600.
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At a glance
- Design
- Open
- Driver
- Dynamic
- Impedance
- 300 Ω
- Sensitivity
- 92 dB/mW
- Headphone connector
- Sennheiser 2-Pin
- Amplification needs
- Medium – regular headphone amp
Sennheiser HD 600
Open-back over-ear reference headphone for natural mids, precision, and timeless design
Experience a new level of sound quality with the Sennheiser HD 600 — an open-back over-ear headphone built for true fidelity.
It redefines audio precision, combining state-of-the-art engineering with a timeless design that continues to win over both audiophiles and music lovers.
An Expansive Soundstage for Immersive Listening
The HD 600’s open construction creates a wide, spacious stage that puts you right inside the music. With each element given its own space, you get the sensation of a live performance — directly through your headphones.
Precision Engineering for Uncompromising Sound
The HD 600 is a testament to precision craftsmanship. Lightweight aluminum voice coils deliver fast transient response and outstanding dynamics, so you can catch every nuance in your favorite tracks. The detachable cable is convenient for storage and transport, while the optimized magnet system helps minimize distortion and maximize fidelity.
Unmatched Comfort for Long Sessions
Enjoy long listening sessions without discomfort. Luxurious velour ear pads and a padded headband provide an ergonomic fit that lets you stay immersed for hours — ideal for both casual enjoyment and critical listening.
Technical Specifications
| Article number (SKU) | 508824 |
| Speaker frequency range | 12 Hz – 40,500 Hz |
| Speaker sensitivity | 97 dB (1 V) |
| Impedance | 300 Ω |
| Total harmonic distortion (THD) | < 0.1% (1 kHz / 1 dB) |
| Cable length | 3 m |
| Adapter / plug | 3.5 mm stereo jack plug |
| Transducer principle | Dynamic, open |
| Weight | 260 g |
| Wearing style | Over-ear |
| Magnetic field | 1.8 mT |
Measurements
Frequency response
What does this mean?
The line marked as target is something you could call the “ideal” curve: a target response derived from research by the Harman group, exploring what kind of headphone tuning tends to be preferred by a broad range of listeners – regardless of age or demographics. This is often referred to as the Harman Target.
From left to right you see sub-bass, bass, mids, and then the curve tilts upward where treble begins. That part of the spectrum is naturally amplified by the shape of the human ear.
Being an open headphone, it has a slight roll-off in the sub-bass, very even mids, and a slight emphasis around 3 kHz. The midrange in particular comes across as very realistic and natural.
The emphasis around 3 kHz and above 10 kHz adds extra resolution and airiness — which is exactly why this headphone has become a reference for so many.
Perceiving and measuring the sound quality of headphones – what do listeners prefer?
Harman Research: The Perception and Measurement of Headphone Sound Quality – What Do Listeners Prefer?
SEN-HD-600
Data sheet
- Design
- Open
- Driver
- Dynamic
- Impedance
- 300 Ω
- Sensitivity
- 92 dB/mW
- Amplification needs
- Medium – regular headphone amp
- Headphone connector
- Sennheiser 2-Pin
- Weight
- 260 g
- Product type
- Headphones
