Field Test · Studio Gear Review
Sennheiser HD-490 PRO
In-depth technical analysis of Sennheiser’s open-back HD-490 PRO model
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Spec Sheet
- Wired headphones
- Circumaural
- Open
- Dynamic
- Frequency range: 5 – 36,100 Hz
- Impedance: 130 Ohm
- Sound pressure level: 105 dB (@ 1 Vrms @ 1 kHz)
- Maximum sound pressure level: 128 dB
- Driver size: 38 mm
- Max. input level: 300 mW
- Distortion factor: < 0.2%
- Velour ear pads (washable at 30°)
- Detachable, smooth, and single-sided 1.8 m cable
- Connection: 3.5 mm stereo mini jack
- Weight (without cable): 260 g
- Colour: Black
- Includes 3.5 mm to 6.3 mm stereo jack adapter, 1 pair of producing ear cushions, and 1 pair of mixing ear cushions
Studio Log
| Available since | January 2024 |
|---|---|
| Item number | 581283 |
| Sales Unit | 1 piece(s) |
| Design | Over-Ear |
| System | Open |
| Impedance | 130 Ohms |
| Frequency range | 5 Hz – 36100 Hz |
| Adapter | Yes |
| Replacable Cable | Yes |
| Marrone/Argento | Black |
| Sensitivity | 128 dB |
| Max. SPL | 128 dB |
| Type Of Connector | Jack, mini-jack |
| Adaptor | Yes |
| Weight | 260 g |
| Replaceable Cable | Yes |
| Colour | Black |
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Customer Review Summary
[META]Detailed review of Sennheiser HD-490 PRO headphones, covering sound quality, build, comfort, and suitability for professional audio use.Introduction
Launched in January 2024, the Sennheiser HD-490 PRO is an open-back, over-ear headphone designed primarily for professional mixing, production, and general listening applications. Priced at £298, these headphones provide a modern alternative to classic models like the HD 600 and HD 650, promising enhanced bass response, excellent detail resolution, and outstanding comfort.
Design and Build Quality
With a weight of 260 grams (excluding cable), the HD-490 PRO impresses immediately due to its lightweight construction, significantly improving long-term wearability. The design incorporates a mix of metal and reinforced plastic parts, which balance durability with low weight. Although some reviewers noted the plastics feel less premium than comparable models, the overall build quality is solid enough for professional use.
The headphones feature an over-ear, circumaural design with soft velour ear pads that are washable at 30°, contributing to user comfort and hygiene. Notably, Sennheiser includes two sets of interchangeable ear cushions labelled “producing” and “mixing,” allowing users to tailor the sound signature and comfort to their specific needs. The detachable cable uses a mini-XLR connector on either earcup, allowing flexible cable routing and reducing cable noise due to a spiral section near the connection.
Acoustic Performance
The HD-490 PRO uses 38 mm dynamic drivers with an impedance of 130 Ohms and a frequency response spanning 5 Hz to 36,100 Hz. Sensitivity sits at 128 dB, supporting high maximum SPL levels without distortion (below 0.2%). This technical foundation enables the headphones to deliver a clean, detailed sound across genres.
Sound Profile
- Bass: Unlike many open-back headphones that tend to underdeliver in the low frequencies, the HD-490 PRO provides surprising depth and impact in the bass region. The producing pads emphasise a fuller bass while maintaining precision, allowing for an engaging but accurate low-end reproduction.
- Midrange: The mid frequencies are present and clear, with a slight emphasis that brings vocal elements forward without overshadowing other instruments. Compared to older Sennheiser classics like the HD 6XX series, these headphones offer a more linear midrange, though some users found mids slightly less immersive.
- Highs: Treble is detailed without harshness, avoiding the sibilance or brittleness common in some studio headphones. The mixing pads provide a slightly brighter sound, beneficial for critical listening and fine detail work.
- Soundstage and Imaging: The open-back design affords a wide and natural soundstage. Spatial positioning is precise, making these headphones well suited for both music production and immersive gaming experiences. The staging is neither artificially wide nor narrow, providing a balanced sense of space.
Comparison to Other Models
Compared to the HD 600 and HD 650, the HD-490 PRO offers enhanced bass presence and improved transient response. While not necessarily surpassing these older models in all aspects, Sennheiser’s latest release brings a more modern ergonomic and sonic tuning that appeals to professionals seeking comfort and versatility. The HD-490 PRO also stands out as a compelling alternative to Beyerdynamic’s DT 1990 Pro and Hifiman Edition XS, especially in terms of comfort and detailed yet natural sound reproduction.
Comfort and Ergonomics
The HD-490 PRO excels in comfort. The velour ear pads are soft and breathable, ensuring that extended listening sessions, even exceeding six hours, are free from discomfort or fatigue. Users who wear glasses reported no pressure points, affirming the headphone’s suitability for long studio work or gaming.
The adjustable headband provides a secure but gentle clamping force, balancing stability and comfort. The large earcups accommodate various ear sizes comfortably without inducing heat build-up. The option to switch between producing and mixing ear pads allows further personalisation, affecting both sound signature and physical feel.
Accessories and Additional Features
Included with the headphones is a 1.8-metre single-sided detachable cable with a mini-jack connector and a 6.3 mm adapter. The design with a detachable cable improves reliability and ease of replacement. The inclusion of two pairs of ear cushions caters to different audio preferences, enhancing value.
Sennheiser also bundles the dearVR MIX-SE software, which emulates different acoustic environments. Although user feedback about this software is mixed, it may add flexibility for mixing and monitoring in virtual settings.
Potential Drawbacks
- Build Materials: Some users feel the plastics, while lightweight, lack the perceived robustness of competing models operating at similar price points.
- Pad Design: The mixing pads can cause discomfort for some due to rigid inner lining materials, which may contact the earlobes unpleasantly during movement.
- Cable Length: The standard cable length of 1.8 metres is considered somewhat short by certain users, creating a desire for longer replacement cables.
- Headband Adjustment: The maximum extension may feel restrictive for users with larger heads or voluminous hairstyles.
Applications and Suitability
With their accurate sound reproduction, spacious stage, and ergonomic design, the HD-490 PRO are particularly appropriate for audio production, mixing, and mastering in home studios or serious professional environments, especially where monitor speakers are impractical. The headphones also perform admirably for detailed music listening and immersive gaming, offering precise audio positioning and an open, natural soundstage.
Conclusion
The Sennheiser HD-490 PRO stands as a strong contender in the professional open-back headphone market. It combines excellent sound accuracy with a notably comfortable design suited for long sessions. The nuanced bass extension and detailed mids provide an engaging yet faithful audio experience. While not without minor issues such as build material choices or pad comfort for some, these headphones deliver considerable value at the price point. They suit both professionals requiring dependable monitoring tools and discerning listeners prioritising comfort and clarity.
