Sennheiser

Sennheiser 508697 HD 599 Open-Back Headphones Black

Experience wide, natural soundstage and all-day comfort with Sennheiser's open-back HD 599 headphones.

$154.95*
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*Price sourced from Amazon.com. Last updated:Aug 28, 2026.Price and availability are subject to change — details.

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Overview

The Sennheiser HD 599 open-back headphones sit in the sweet spot between entry-level and audiophile-grade listening, delivering a refined, natural sound signature that the 500 series is known for. The open-back design allows air to flow through the ear cups, eliminating the pressurized feeling of closed-back headphones and producing a spacious soundstage where instruments and vocals feel positioned around you rather than inside your head. Sennheiser's proprietary E.A.R. (Ergonomic Acoustic Refinement) technology angles the transducers to direct sound more precisely into the ear canal, resulting in improved imaging and a more lifelike listening experience.

Comfort is a clear priority in the HD 599's design. The large, velour-covered ear pads distribute pressure evenly and allow airflow to keep your ears cool, while the padded headband and lightweight 260-gram build make these headphones easy to wear for hours at a stretch. The detachable cable system is a practical touch, with both a long 3m cable for home audio setups and a shorter 1.2m cable for connecting to laptops or portable devices. With a 50-ohm impedance, the HD 599 is undemanding enough to sound good from a phone or laptop headphone jack, while still scaling up nicely when paired with a dedicated headphone amplifier. These headphones are best suited for home use — music listening, gaming, mixing reference, or podcast consumption — where their open-back sound leakage is not a concern.

Key Features

Audiophile open sound: enjoy natural, balanced sound with a wide sound stage for an immersive listening experience thanks to Sennheiser wired headphones

CLEAR SOUND REPRESENTATION & DETAILS These wired headphones from Sennheiser capture every note with precise highs, rich mids and controlled bass. Suitable for classic, acoustic HiFi listening and audiophiles

LUXURY COMFORT The lightweight design of Sennheiser headphones ensures fatigue-free listening all day long. The wired headphones are equipped with velour covered ear pads

VERSATILE DEVICE COMPATIBILITY Works seamlessly with phones, tablets, computers, Bluetooth headphones and most audio devices as well as gaming headsets

DETACHABLE CABLE COMFORT This wired over ear headphone includes a 10 foot 6.3mm cable and a 4 foot 3.5mm cable for flexible connectivity

PREMIUM BUILD QUALITY These audiophile headphones are designed for durability and elegance. They are made of high-quality materials and deliver long-lasting performance as well as hi-fi sound

PERFECT FOR HOME The Sennheiser 599 SE wired over-ear headphones deliver clear hifi sound for music, creative projects or relaxed listening. Ideal for listening at home

Specifications

Brand
Sennheiser
Model
508697
Type
Open-Back, Over-Ear
Acoustic Technology
Ergonomic Acoustic Refinement (E.A.R.)
Impedance
50 Ohm
Sound Pressure Level
106 dB SPL (1kHz/1Vrms)
Frequency Response
38,400 Hz
Connectivity
Wired
Plug
6.35mm Jack / 3.5mm with adapter
Cable Length
3m (6.3mm) / 1.2m (3.5mm)
Cable Feature
Detachable
Ear Pad Material
Velour, Replaceable
Weight
0.26 kg
Color
Black
Included Components
HD 599 Headphones, 3m Cable (6.3mm), 1.2m Cable (3.5mm), 6.3mm to 3.5mm Adapter

Frequently Asked Questions

Open-back means the ear cups have ventilated housings that allow air and sound to pass through. This creates a wider, more natural soundstage but does allow sound to leak out, making them best suited for quiet, private listening environments.
Yes. The large velour ear pads are designed to be removable and replaceable, which helps extend the lifespan of the headphones.
The headphones come with a 3m cable with a 6.3mm straight jack, a 1.2m cable with a 3.5mm straight jack, and a 6.3mm to 3.5mm adapter, covering both home hi-fi and portable device connections.
With 50-ohm impedance, the HD 599 can be driven by most devices without a dedicated amplifier, though a quality DAC or headphone amp can further enhance their performance.
E.A.R. stands for Ergonomic Acoustic Refinement. It angles the drivers within the ear cups to direct the audio signal more naturally toward your ears, improving spatial accuracy and tonal balance.