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Sennheiser HD599

Open-back over-ear headphones

Item # 143HD599

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Item # 143HD599

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$249.99 -$50.00 Price break


About the Sennheiser HD599

Sennheiser's open-back overacheiver

This is sort of a hidden gem in Sennheiser's stellar lineup of headphones. The HD599 'phones were released to little fanfare, but I feel they deserve some love and attention. If great sound is your bag, well, that's the main focus here. Impressive bass for an open-back design, and really fine detail in the mids and highs. Their soft earpads stayed comfortable through an entire work shift at my house. (Just note that they do leak sound — I decided against wearing them at the office.)

Product highlights:

  • over-the-ear, open-back design for clear, spacious sound
  • 38mm drivers deliver smooth, natural sound tuned to emulate loudspeakers
    • Sennheiser's "Ergonomic Acoustic Refinement" (E.A.R.) design sends audio signals directly to your ears
  • padded, stitched leather headband and large, soft velour earcups
  • 2 detachable cables:
    • 51" cable with miniplug connector
    • 10-foot cable with 1/4" connector
  • miniplug adapter included
  • frequency response: 12-38,500 Hz
  • sensitivity: 106dB
  • impedance: 50 ohms
  • weight: 10.4 ounces
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # 506831

What's in the box:

  • Over-ear headphones (brown/ivory)
  • 10' Cable with 1/4" (6.3mm) plug (attached to headphones)
  • 1/4" (6.3mm)-to-3.5mm Adapter
  • 51" Cable with straight 3.5mm plug
  • Safety Guide

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Crutchfield response

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More details on the Sennheiser HD599

Mark G.

Features & specs

Fit Style Over-the-ear
Earcup Type Open
Earcup Width x Height 3.542" x 4.531"
Noise-canceling No
Bluetooth No
Mic For Taking Calls No
iPhone Control No
Lightning Connector No
Android Control No
Frequency Response 12-38.5k Hz
Sensitivity 106 dB
Impedance 50 Ohms
Weight 10.4 ounces
Cord Length 120" + 51"
1/4-inch Adapter Included No
Volume Control No
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research


Overview: The new Sennheiser HD 5 series of headphones feature a contemporary design with a soft, padded headband and ear cups. Featuring Sennheiser's proprietary transducer technology and E.A.R. (Ergonomic Acoustic Refinement) design, the HD 5 series headphones deliver excellent sound quality from your smart device or home stereo system. The HD 599 model comes with a 10' cable with a 1/4" (6.3mm) plug for your home stereo, and a 51" cable with a 3.5mm straight plug for your portables. A 1/4"-to-3.5mm adapter is included, allowing you to use the 10' cable with a device or component with a 3.5mm headphone jack.

Note: The large diameter of the 1/4"-to-3.5mm adapter may interfere with some smartphone and tablet cases, preventing a full connection to the device.

Open Back Design: The HD 599 headphones headphones feature an open back design that lets you be a part of your listening environment. Sennheiser's E.A.R. technology directs the sound directly to your ears to give you a natural sounding listening experience, similar to listening to well-placed loudspeakers. The high-end transducers used in the HD 5 series delivers deep, satisfying bass with clean, smooth mids and highs.

Stylish: The elegant look of the HD 599 is highlighted by the matte metallic detailing on the ear cups and stylish ivory color scheme. The large soft padded detachable ear pads are covered in plush brown velour, while the wide padded headband features an elegant stitched brown leather cover.

Cable: The HD 599 comes with a high-quality 10' cable with a full-size 1/4" (6.3mm) plug, designed for plugging into your home stereo equipment. You can also use the headphones in the recording studio for mixing or monitoring live performances. A 1/4"-to-3.5mm adapter is included for the 10' cable so you can listen to your smartphone, tablet, or other device equipped with a mini-jack. The adapter has a large diameter that will likely interfere with your smartphone or tablet case, preventing you from completely inserting the plug into the device. Also included is a shorter 51" cable with a straight 3.5mm plug for listening to your devices on the go. (You will have to control your music manually on the device, as there is no in-line remote on this cable.)


  • Frequency Response: 12Hz - 38,500Hz
  • Impedance: 50Ω
  • Sound Pressure Level (1 kHz/1 Vrms): 106dB
  • THD (1 kHz/100dB): <0.1%
  • Weight: 10.4 ounces

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Customer Q&A

Crutchfield asked: Why did you buy this?
If you had 90db loss in one ear and 60db loss in the other ear what would you cnoose? [ William  Aug 22, 2018 ]
Respected brand, looking for wired set for television. [ Stephanie  May 28, 2018 ]
comfort and open back [ Kenneth  Dec 26, 2017 ]
Discussion with person being given the gift. This is not a surprise. [ John  Nov 18, 2017 ]
Advisor - Gene [ charlotte  Oct 23, 2017 ]
On recommendation from Mick. [ Kenneth  Jun 28, 2017 ]
Needed headphones that meet requirements of Therapeutic Listening program for Sensory Processing Disorders. [ JODY  Apr 17, 2017 ]
Wanted this headphone and found the best price here in Crutchfield. Crutchfield is a very famous company here in Puerto Rico. [ Pedro  Jan 31, 2017 ]

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