Field Test · Studio Gear Review
Superlux HD-662 BK Evo
In-depth technical assessment of Superlux’s HD-662 BK Evo model
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Spec Sheet
- Dynamic
- Circumaural
- Closed
- Maximum level: 98 db SPL
- Impedance: 32 Ohm
- Frequency range: 10 – 30000 Hz
- Power handling: 200 mW
- Cable length: 2.5 m
- 3.5 mm stereo jack
- Incl. 2 cables with 3.5 mm plug (1x 1m and 1x 3m length)
- Weight (without cable): 286 g
- Colour: Black
- Incl. Transport bag, adapter on 6.3 mm stereo jack and 1 pair of velour pads
Studio Log
| Available since | May 2016 |
|---|---|
| Item number | 300848 |
| Sales Unit | 1 piece(s) |
| Design | Over-Ear |
| System | Closed Back |
| Impedance | 32 Ohms |
| Frequency range | 10 Hz – 30000 Hz |
| Adaptor | Yes |
| Replaceable Cable | Yes |
| Colour | Black |
| Max. SPL | 98 dB |
| Type Of Connector | Mini Jack |
| Weight | 286 g |
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Customer Review Summary
Introduction
The Superlux HD-662 BK Evo is a closed-back over-ear headphone introduced to the market in May 2016. Retailing around £26, it targets budget-conscious users seeking a versatile headphone suitable for home studio monitoring, casual listening, and rehearsal environments. This review analyses its design, sound performance, comfort, and durability based on a variety of user experiences and technical specifications.
Design and Build Quality
At 286 grams (excluding cables), the HD-662 BK Evo is relatively lightweight thanks to its predominantly plastic construction. While the plastic housing does not convey premium durability, the design is practical and comes in an understated black finish. The headphones feature a detachable cable system with two supplied cables: one 1 metre and one 3 metre length, both terminating in a 3.5 mm stereo jack. A 6.3 mm stereo jack adapter is included, expanding compatibility with professional audio equipment.
The ear pads come in faux leather with a complementary set of velour pads supplied, offering users options for comfort and sound preference. However, the headband employs a self-adjusting elastic suspension with no manual size adjustment, which some users have found to exert substantial clamping force, making it tight and uncomfortable for larger heads. Attempts to manually bend or stretch the metal headband pieces have been reported to alleviate this issue.
The cable connection exhibits a known vulnerability. Many users report cable failure at the flexible rubber section near the mini-jack or loose internal solder joints developing over relatively short usage periods. Despite the detachable cables allowing for replacement, the built-in solder points appear to be a weak spot, raising concerns about the headphone’s long-term reliability.
Sound Performance
The HD-662 BK Evo impresses within its price range with a frequency response spanning from 10 Hz to 30 kHz and an impedance of 32 Ohms, making it suitable for use even with smartphones and portable players.
Bass is a pronounced strength. Multiple users appreciate its depth and fullness, highlighting surprisingly strong bass extension down to sub-50 Hz frequencies. Some describe it as “fat” or heavy, with a slight overemphasis that is generally pleasant for genres requiring punch and body but may register as slightly loose or bloated for critical monitoring.
Mids are typically clear and fairly neutral but occasionally reported as being recessed, especially the lower midrange, leaving vocals sounding a little thin or lacking warmth. High mids and upper treble can be somewhat forward or strident, which may cause fatigue during prolonged listening; therefore, an equaliser might be necessary for tailored adjustments.
The treble, while detailed, sometimes comes across as sharp or piercing depending on the source material. Fortunately, simple acoustic modifications, such as taping up some internal vents and using velour pads, have been documented to effectively tame the highs and integrate the bass and mids more naturally, significantly improving the overall soundstage and tonal balance.
The headphones deliver an above-average stereo image for closed-back designs, with adequate depth and width to support detailed listening sessions and mixing tasks. Their maximum sound pressure level (SPL) is rated at 98 dB, and they handle up to 200 mW of power, sufficient for most consumer and semi-professional audio gear.
Comfort and Isolation
Comfort is a mixed aspect. The supplied velour pads are softer and better suited for extended wear than the default pleather ear cups, though the latter seal better for noise isolation. The clamping force is an issue for many users, especially those with larger heads, leading to discomfort and fatigue over long sessions.
Passive noise rejection benefits from the closed-back circumaural design, effectively reducing external noise such as street traffic and background chatter. However, the headphones do leak sound outward moderately, which can be problematic in recording environments where bleed into microphones is a concern.
Accessories and Practicality
- Two detachable cables (1 m and 3 m) provide convenience and flexibility depending on usage scenarios.
- 6.3 mm to 3.5 mm adapter facilitates connection to a wide range of audio sources.
- Additional velour ear pads increase longevity and allow user preference in comfort and acoustic properties.
- A soft carry pouch is included for portability and protection.
Durability and Reliability
The build quality reflects the low price point, but certain design decisions impact durability negatively. Complaints mainly focus on the fragile rubber portion at the cable jack leading to early failure and thin internal solder joints prone to breaking with cable movement, even during light use.
Repeated user reports of multiple units failing within months raise concerns about the product’s lifespan. Some users have managed repairs themselves, but those expecting long-term durability might need to consider this limitation.
Conclusion
The Superlux HD-662 BK Evo offers remarkable sound quality for its very modest price. Its deep bass and detailed highs make it suitable for casual listening, gaming, and some studio monitoring applications. The detachable cable system and included accessories enhance its value.
However, the headphone struggles with comfort due to a tight clamping force and a non-adjustable headband, and its build quality, especially the cable and internal wiring, may lead to early failure under regular use. Simple acoustic mods can significantly improve the sound, but the user must be willing to perform these adjustments.
For those on a tight budget, needing closed-back headphones for temporary monitoring or casual listening, the HD-662 BK Evo represents a solid choice given its rich sound characteristics and accessory bundle. Serious users seeking longevity, comfort for extended wear, or clinical sonic accuracy for mixing might find better investment in alternatives, albeit at higher prices.
