Sennheiser HD 599 SE Open Back Headphones

Sennheiser HD 599 SE is a large size open back over-ear headphone designed for comfortable and expansive listening at home. This headphone features proprietary Sennheiser transducers and E.A.R. (Ergonomic Acoustic Refinement) technology that directs the audio signal to the user's ears.

An open construction provides music with an extra open sound compared to standard closed-back headphones. Large ear cups and replaceable ear pads contribute to comfortable long listening sessions.

It is a wired headphone, thus there is no need to charge a battery or take care of any wireless connection. Two detachable cables are included in the package, one of which has a 3.5 mm plug and another has a 6.3 mm plug.

Brief Description

Type: Open-back over-ear headphones

Brand: Sennheiser

Model: HD 599 SE

Acoustic principle: Open

Transducer size: 38 mm

Frequency response: 12 Hz – 38,500 Hz

Impedance: 50 Ω

Weight: 250 g

Connection: Wired

Cable lengths: 3 m and 1.2 m

Plugs: 6.3 mm and 3.5 mm

Ear pads: Soft and replaceable

Active noise cancellation: No

Headset: Headband

Why is the Sennheiser HD 599 SE Unique?

Sennheiser HD 599 SE uses a very simple and straightforward design philosophy. It does not incorporate any wireless functions or active noise cancellation but sticks to the open-back acoustic construction, larger size, and wired connectivity. Therefore, it is especially appealing if you usually wear it in a silent room and prefer an open presentation to isolation.

Open-Back Acoustic Construction

The ear cups have an open construction as opposed to a sealed one. It lets air and sound pass through the rear part of the housing, resulting in spaciousness in the headphone's presentation.

However, there is a downside. The open-back headphones do not provide such sound isolation as the closed-back ones, and some sounds can also be heard by people surrounding you. This is why the Sennheiser open-back headphones​ would be more appropriate for a silent household setting rather than a shared office, commute, or any other setting requiring sound isolation.

Sennheiser E.A.R. Design

In order to direct the audio signal to your ears, Sennheiser employs its Ergonomic Acoustic Refinement (E.A.R.) design. Together with the headphone's proprietary transducer construction, it constitutes the essence of its acoustic design. Instead of using any extra processing, the Sennheiser HD 599 SE headphones are an old-fashioned, wired headphone that relies more on acoustic capabilities rather than any extra processing.

Large Over-Ear Ear Cups

Sennheiser HD 599 SE Around Ear Open Back Headphone features large ear cups. The ear pads used are comfortable and can be replaced in case they get worn out over time. The headband design makes it look like a conventional over-ear headphone, and the weight of the headphone is 250 g.

How Well Does the HD 599 SE Work for Listening?

HD 599 SE headphone features a 38 mm transducer with a frequency response range of 12 Hz to 38,500 Hz. Its impedance is 50 Ω. Sennheiser HD 599 headphones do not feature Active Noise Cancellation technology. Therefore, the listening environment plays an important role here. It is preferable to listen in quiet rooms rather than in a loud public place.

Comfort and Day-to-Day Usage

Comfort is essential in a full-size headphone, since you will be wearing it for extended periods. The HD 599 SE has a design with big ear cups and soft and replaceable ear pads. In addition, its weight of 250 g allows keeping its construction light in comparison with other wired full-size headphones.

The result is the practical design of the HD 599 SE headphones for those listeners who use their full-size headphones for extended time periods.

Cables and Connectors

The HD 599 SE has a very simple design with one wired connection and two detachable cables.

Here is what comes:

• 3 m cable with 6.3 mm straight plug

• 1.2 m cable with 3.5 mm straight plug

• 6.3 mm-to-3.5 mm adapter

Having two cable lengths provides you with the flexibility to choose your desired setup.

When Can the HD 599 SE Be Best Utilized?

HD 599 SE works well in places where noise pollution is low, and one can make use of the fact that it has an open-back ear cup.

This headphone will suit you if you:

Are a person who listens to music in your private place

Are a person who prefers open-back headphones

Have a preference for an over-ear headphone

Have a preference for traditional wired headphones

Require 3.5 mm as well as 6.3 mm connections

When Would You Go For Other Options?

If you require noise isolation or Active Noise Cancellation headphones, then HD 599 SE might not be your cup of tea because they have an open-back design.

Contents of the Box

In the box, you will find:

1. Sennheiser HD 599 SE Headphones

2. 3 m cable with 6.3 mm plug (straight)

3. 1.2 m cable with 3.5 mm pl

4. Adapter 6.3 mm to 3.5 mm

Who Should Purchase Sennheiser HD 599 SE?

The Sennheiser HD 599 SE is best suited for individuals who are seeking a large, wired headphone featuring an open-back construction. This particular model can be considered by you if you are using headphones in a silent environment and enjoy spacious audio over noise cancellation. The interchangeable ear cushions and availability of two cables further make this headphone more suitable for long-term usage. Avoid it if you require wireless capability or privacy in a crowded place.

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