Austrian Audio Hi-X55 headphones review: are they worth the money?

Customer Review Summary

Introduction

The Austrian Audio Hi-X55 headphones, launched in February 2020 and priced at £219, target professionals needing closed-back monitoring solutions. This evaluation examines their technical specifications alongside real-world user experiences to offer a balanced view of the product’s capabilities and limitations.

Design and Build Quality

The Hi-X55 features an over-ear, closed-back design intended for isolation in loud or shared environments. Its circumference fits around the ear with circumaural earcups, crafted from a combination of metal hinges and plastic components to balance durability and weight. At 305 grams without cable, they remain relatively lightweight, enhancing all-day wear comfort.

• Metal joints provide robustness and allow for folding, aiding portability.
• Memory foam padding ensures comfort even over extended sessions.
• The headband adapts smoothly to various head sizes with a secure locking mechanism.
• Included fabric storage pouch is basic, reflecting the focus on function over luxury.
• Cable is detachable, 3 metres in length, with a 3.5 mm jack coupling and 6.3 mm adapter; however, the proprietary 2.5 mm bayonet plug system limits cable variety.

Some users noted slight issues with plastic parts, including creaking and occasional looseness after prolonged use, yet overall build quality is commendable for the price bracket.

Sound Signature and Performance

The Hi-X55 exhibits a frequency response spanning 5 Hz to 28 kHz, with an impedance of 25 ohms and sensitivity at 118 dB SPL/V. These specifications underpin its clarity and ability to handle high sound pressure levels up to 96 dB SPL.

• Users consistently report a significant focus on high-mid frequencies, which can accentuate vocals and snares but may distort tonal balance on mixes.
• The bass response is noticeably light, with a tendency towards a thin, upper bass emphasis rather than deep low-end power.
• High-frequency clarity is excellent, exposing details accurately but potentially introducing fatigue during extended listening.
• The headphones reveal flaws in poor mixes rather than flattering them, proving analytical rather than euphonious.
• Soundstage is broad for a closed-back model, though some find it oddly narrow or “triangular,” with a perceived lack of centre depth.

This sonic profile suggests the Hi-X55 is better suited to critical listening tasks, such as tracking or detailed monitoring, than casual music enjoyment.

Comparison with Alternatives

When measured against contemporaries like the Beyerdynamic DT-770 Pro (80 Ohm), the Hi-X55 offers similar levels of isolation but with a more analytical sound that some find less natural and more fatiguing. The DT-770 and other alternatives may present a more balanced tonal character at a lower cost, although they lack the Hi-X55’s precision in transient attack and upper-frequency detail.

Comfort and Usage

Comfort emerges as a highlight of the Hi-X55 headphones, with users praising:

• Soft, deep ear pads that prevent ear contact and reduce heat buildup.
• Adjustment mechanisms that maintain fit without exerting excessive pressure.
• Compatibility with glasses due to the circumaural cups and padding design.

The closed-back nature provides good environmental isolation, though not exemplary, comparable to peer products. Some report that the vacuum effect created by pleather pads may feel slightly uncomfortable initially. The folding design makes transportation easier, and the long cable length enhances tracking flexibility.

Limitations and Considerations

While the Hi-X55 excels in precision and build quality, several drawbacks warrant attention:

• The sound signature is not neutral; many users describe a pronounced midrange bump that distorts mix representation.
• Low bass frequencies are subdued, which may be unsuitable for genres requiring authoritative sub-bass monitoring.
• The proprietary cable connection limits user freedom for cable replacement or upgrades.
• Soundstage, though wide, can feel unnatural due to the hollow centre imaging and the analytical tuning.
• Isolation is adequate but not industry-leading, challenging its use in noisy environments.

Such characteristics make the Hi-X55 less apt for mixing or mastering demanding perfectly balanced tonal reproduction, though they remain useful for identifying mix issues.

Suitability and Target Audience

The Hi-X55 is aimed primarily at recording professionals focusing on tracking and playback in controlled environments where critical listening to mix details is essential. Voice professionals and podcasters highlight the headphones’ fidelity and comfort for long sessions. However, for those needing headphones with natural bass response or more forgiving sound for casual listening, alternative models may be preferable.

Conclusion

The Austrian Audio Hi-X55 delivers a well-engineered, durable, and comfortable closed-back headphone with an analytical sound signature. It reveals detail and transient information with striking clarity but at the expense of warmth and neutrality. Users should approach with clear awareness that this is a specialised tool rather than a universal listening device.

Those seeking truthful, revealing reproduction for precise monitoring in home studios or voice-over applications will find the Hi-X55 a valuable asset. Conversely, users prioritising balanced tonality and rich bass may want to explore other options in the same price range.

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