Sennheiser HD 599 Headphones

Affordable, Full-Sized Premium Listening

Topping Sennheiser's 500 series, the HD 599 is a full-sized, premium over-the-ear headphone offering near-audiophile levels of sound quality at a genuinely affordable, accessible entry price point for real newcomers.

The open-back HD 599 delivers impressively natural spatial performance, powered by Sennheiser's proprietary E.A.R. (Ergonomic Acoustic Refinement) design, which genuinely channels the audio signal directly into each of your own two ears.

headfonia.com's Lieven found the mids "extremely musical, rich and engaging," predicting quite confidently that "the vast majority of people will absolutely love its tuning" regardless of prior listening experience overall.

Where the E.A.R. Design Earns Its Keep

Proprietary Transducers, Best in Class

Sennheiser's proprietary transducer technology channels the audio signal directly toward your ears rather than straight at them, recreating the natural triangular listening position of a proper hi-fi loudspeaker setup at home.

The open-back design lets sound waves propagate naturally rather than reflecting inside a sealed chamber, contributing directly to the spacious, genuinely airy character this headphone has become widely known for.

Large Ear Cups, Soft Replaceable Pads

Large ear cups with soft, replaceable ear pads mean there's no pressure on your ears, only sound, so nothing stops you from listening to track after track, discovering new details each time.

Two cables are included: a 10-foot cable with a 1/4" straight plug for home equipment, and a 4-foot cable with a 1/8" plug for portables, plus a 1/4"-to-1/8" adapter.

What Reviewers Are Saying

soundguys.com's Jasper Lastoria called it "difficult to beat" for comfort during long sessions, adding it "does a good job of feeling super comfortable" with "some frills like removable cables and ear pads."

Lastoria cautioned, though, that "its open-back design offers almost no isolation and limits where you can use it" outside a quiet room at home.

Who Is the HD 599 Best For?

• You want near-audiophile sound at an entry-level price: reviewers consistently describe this as a huge step up for the money
• You listen for hours at a stretch: the large ear cups and soft pads place no real pressure on your ears at all
• You want replaceable wear parts: both the cables and the ear pads can be swapped as they age over time
• You want a musical, rich, engaging midrange: reviewers single this out as a particular strength of the tuning
• You want Sennheiser's open-back sound at its most approachable — the HD 599 is the way in

How Does It Connect to Your System?

A 10-foot cable with a 1/4" straight plug covers home equipment, while a 4-foot cable with a 1/8" plug and a 1/4"-to-1/8" adapter cover phones and portables alike.

The HD 599 plays easily from most sources, though a dedicated headphone amplifier reveals noticeably more of the detail and spaciousness this transducer is genuinely capable of.

Pairs Well With

What finishes the system around an HD 599:

• Headphone amplifiers — reveals noticeably more detail and space than a laptop headphone output alone
• Digital-to-analog converters — a clean digital source feeding your amp matters as much as the amp itself
• Headphone cables — the included cables cover most setups, with replacements available as they wear
• Headphone stands — a proper resting spot between listening sessions

Frequently Asked Questions

Do I need a headphone amplifier?

Not strictly. The HD 599 plays from most sources without one. A dedicated amplifier reveals noticeably more detail and spaciousness than a laptop or phone alone.

Can I use these away from home?

Not really. The HD 599 is open-back and leaks sound significantly in both directions, so it's built for a quiet room rather than shared or mobile spaces.

Are the ear pads replaceable?

Yes. The soft ear pads can be replaced as they age, along with the cables, so this headphone is genuinely built for years of continued use.

How does this compare to the HD 600?

The HD 600 uses a more advanced diaphragm and reference-grade materials for greater resolution, while the HD 599 delivers most of that character at a considerably more accessible price.

What comes in the box?

The HD 599, a 10-foot cable with a 1/4" plug, a 4-foot cable with a 1/8" plug, and a 1/4"-to-1/8" adapter.

Where is the HD 599 made?

Manufactured in Ireland, the same facility responsible for Sennheiser's entire high-end reference headphone lineup, ensuring consistent quality across every single unit.

See It in Action

SargeantsTechTips presents Sennheiser HD 599 - WORTH IT IN 2025?.

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