Sennheiser HD 599 Review: Open Back Comfort for Home Listening

Who Should Buy It

Key Specifications

Overview

The Sennheiser HD 599 appears in the listing as a premium around-ear open-back wired headphone in an ivory finish. It is pitched as an audiophile product with aluminum voice coil transducers, a padded headband and velour covered ear pads. The price tier is budget, which positions it as an accessible entry into open-back home listening rather than a flagship studio tool.

The listing highlights two detachable cables: a 3 meter cable with a 6.3 millimeter jack and a shorter 1.2 meter cable with a 3.5 millimeter jack. That dual cable setup is practical for both home hi-fi gear and portable sources. The open-back design means the ear cups do not seal against outside noise, so this is a headphone for quiet rooms.

Sennheiser does not publish several specifications in this listing, including driver size, weight, water resistance, controls or app support. Buyers who want a complete technical picture before purchase will have to rely on the general reputation of the Sennheiser HD 500 series rather than a full spec sheet.

Sound Quality

On paper, the HD 599 is built around Sennheiser engineered transducers that use aluminum voice coils. The listing says this design delivers high efficiency, excellent dynamics and extremely low distortion. Those are meaningful claims for an open-back headphone, where driver control and a clean transient response often separate an enjoyable listen from a muddy one.

The open-back architecture should produce a wide, airy soundstage with less bass pressure than a closed back. The listing does not provide a frequency response graph, driver diameter or impedance figure, so exact tonal balance cannot be confirmed from this data alone. General knowledge of open-back designs suggests a lighter low-end impact but more natural decay and room-like imaging.

For acoustic music, classical, jazz and vocal-forward recordings, the published design points toward a detailed and relaxed presentation. Bass-heavy genres may not hit as hard as on closed-back rivals, and the lack of published sensitivity means amplifier matching is uncertain. Still, the aluminum voice coil is a legitimate premium component at this price tier.

Comfort and Fit

Comfort is a stated priority in the listing. The HD 599 has a padded headband and velour covered ear pads, which Sennheiser says are perfect for long listening sessions with no pressure on the ears. Velour tends to breathe better than leather and reduces heat buildup over time.

The around-ear design should fit most adult ears without pressing on the outer ear. The listing does not publish a weight figure, so buyers cannot compare lightness on paper. Without a clamping force measurement, the exact fit pressure remains unknown, but the open-back frame is typically less isolating and less clamp-heavy than travel headphones.

Because the earcups do not seal, the pads can feel soft and airy rather than hot. The padded headband helps distribute weight across the crown. Buyers who wear glasses or have larger ears may find the velour material forgiving, though the listing does not mention replaceable pads.

Noise Control and Features

The HD 599 has no active noise cancelling and the open-back design offers little passive isolation. Sound leaks outward, so people nearby can hear your music at moderate volumes, and external noises enter freely. This is expected for an open-back audiophile headphone, but it makes the HD 599 unsuitable for commuting, offices or any shared quiet space.

Feature highlights from the listing include two detachable cables and dual jack sizes. There is no Bluetooth, no wireless codec support, no app, no touch controls and no published inline remote. The product is purely a passive wired headphone, which keeps the signal path simple but limits convenience.

• Two detachable cables: 3 m with 6.3 mm and 1.2 m with 3.5 mm
• Open-back around-ear design for spacious sound
• No active noise cancelling or Bluetooth
• No inline microphone or remote listed
• No app support or firmware updates
• No water resistance rating published

Battery, Bluetooth and Connectivity

The HD 599 is a wired headphone and requires no battery for audio playback. The listing contains a conflicting power source field that says battery, but that appears to be a data error because the product has no wireless radio, no noise cancelling circuit and no amplifier. Buyers should expect a passive, analog connection only.

Connectivity is straightforward: a 3 meter detachable cable with a 6.3 millimeter jack for home receivers, audio interfaces and headphone amplifiers, plus a 1.2 meter detachable cable with a 3.5 millimeter jack for phones, laptops and portable players. Both cables are detachable, which adds longevity because a damaged cable can be replaced without replacing the headphone.

There are no Bluetooth codecs to evaluate and no battery life to measure. The wired design means zero latency and no recharge cycles, which is a benefit for critical listening and gaming. The listing does not publish a cable impedance or conductor material, so buyers who chase cable upgrades will need third-party information.

Build, Design and Portability

Sennheiser gives the HD 599 a timeless look with an ivory color, matte finish, brown headband stitching and matte metallic detail. The listing says these design cues convey quality at first glance. The overall aesthetic is more living room hi-fi than mobile consumer tech, which fits the open-back wired purpose.

Build materials are only partially described. The listing confirms aluminum voice coils in the transducers and velour on the ear pads, but it does not publish the frame material, yoke type, cable strain relief or exact weight. The detachable cable system is a practical choice because cable failure is a common weak point on wired headphones.

Portability is limited. The open-back earcups do not fold and the listing does not mention a carry case, pouch or travel bag. At home, the long 3 meter cable is convenient for sitting away from a source, but the headphone is not designed for pockets or backpacks. The matte finish should resist fingerprints better than glossy plastic.

Call Quality and Daily Use

The HD 599 does not have a microphone, so it is not a headset for phone calls, video meetings or online gaming chat. The listing does not mention any inline remote, call controls or voice assistant support. Buyers who need call quality should look at closed-back wireless models with beamforming microphones.

Daily use for the HD 599 centers on stationary listening in a quiet room. The open-back design creates an airy experience but also lets room noise into the mix, so a refrigerator hum, keyboard clatter or conversation will be audible. This is acceptable for dedicated music sessions but frustrating in a busy household.

The long cable is useful for listening from a couch or desk without being tethered too tightly to the source. The shorter cable is better for a laptop. Because there is no battery, the headphone never needs charging, which simplifies daily use. The listing's battery power source field is inconsistent with the wired passive nature.

Who Should Buy It

The HD 599 suits home audio listeners who want an open-back sound on a budget. It is a reasonable choice for people with a receiver, headphone amplifier or audio interface that has a 6.3 mm output. The dual cable package makes it flexible for both hi-fi and portable sources.

Listeners who value long session comfort should appreciate the velour pads and padded headband. Those who want a more natural, spacious presentation for acoustic, classical, jazz and vocal music may prefer this open-back design over a bass-heavy closed back. It also works for movie watching at a desk in a quiet room.

The HD 599 is not for everyone. It is a specialty product for people who already understand the tradeoffs of open-back headphones: no isolation, sound leakage and no wireless features. Budget-conscious buyers who want a taste of Sennheiser house sound without jumping to the HD 600 series may find this model appealing.

Alternatives Worth Considering

If you need active noise cancelling and Bluetooth, the Sony WH-1000XM5 is a more suitable travel headphone. It offers closed-back isolation, wireless codecs and app support, though it costs more and sounds different from an open-back design. The Bose QuietComfort 45 is another comfortable over-ear alternative with strong noise cancelling for commuters.

For a wired audiophile upgrade, the Sennheiser HD 560S provides a more neutral, analytical open-back tuning and is often favored for studio use. The Audio-Technica ATH-M50x is a closed-back wired option with better isolation and a more portable, foldable design, though it has a narrower soundstage. Apple AirPods Pro are a completely different form factor for users who want pocketable true wireless earbuds.

On a tighter budget, the Anker Soundcore Space One offers wireless convenience and noise cancelling at a low price, but it cannot match the open-back spatial presentation of the HD 599. Buyers should decide whether isolation and wireless features or open-back sound and wired simplicity matter more.

Verdict

The Sennheiser HD 599 earns a score of 80 out of 100 based on the listing data. Its open-back design, aluminum voice coil transducers, velour pads and dual detachable cables make a strong case for home listening at a budget price. The lack of noise cancelling and Bluetooth is expected, but the listing also omits key specifications such as weight, driver size and water resistance.

Comfort appears excellent on paper, and the wired passive design means no battery anxiety or codec compromises. However, the open-back nature limits use to quiet environments, and the absence of a microphone or controls narrows its versatility. For a specific buyer, this is a high value audiophile starter headphone.

Strengths and Limitations

Alternatives to Consider

Beats Studio Pro Headphones

Travelers and commuters who want long battery life, active noise cancelling and wired lossless audio in a budget over-ear headphone.

Read the Beats Studio Pro Headphones review →

Beyerdynamic MMX 330 Pro

Competitive gamers who want precise positional audio on PC, PlayStation, or Switch via a wired 3.5mm connection.

Read the Beyerdynamic MMX 330 Pro review →

Sennheiser Momentum 4

Listeners who want long battery life, adaptive noise cancelling, and Sennheiser Signature Sound in a foldable wireless design.

Read the Sennheiser Momentum 4 review →

Head-to-Head Comparisons

• Sennheiser HD 599 vs Beats Studio Pro Headphones Compare →

Questions Buyers Ask