Austrian Audio Hi-X65: are they worth it? Full review

Customer Review Summary

Introduction to Austrian Audio Hi-X65

The Austrian Audio Hi-X65 is an open-back, circumaural headphone designed primarily for studio professionals involved in mixing and mastering. Released in May 2021 and retailing around £277, this over-ear model offers a transparent and detailed audio experience with a frequency range spanning from 5 Hz to 28,000 Hz. Built with robustness in mind, the headphones combine metal hinges and headband components for longevity while maintaining a moderate weight of 310 grams for comfort during extended sessions.

Build Quality and Design

Constructed largely from metal and high-quality plastic, the Hi-X65 presents a premium feel out of the box. The design is foldable, which facilitates portability without compromising sturdiness. The headphones come with two detachable cables (3 m and 1.2 m) featuring 3.5 mm jack plugs and an adapter for 6.3 mm jacks, secured with a locking mechanism to prevent accidental disconnection. However, some users have reported durability issues, particularly with the plastic parts that hold the metal headband, as well as the ear cushions wearing out prematurely. Replacement cushions are available but come at a significant cost.

Comfort-wise, the Hi-X65 is praised for its lightweight construction and soft memory foam ear pads. The circumaural design provides a stable fit, although the ear cups might feel a bit snug for users with larger ears. Some listeners noted warmth build-up after prolonged listening, which is a frequent trade-off in open-back headphones with plush padding.

Sound Performance

The Hi-X65 delivers an impressively detailed and clear sound profile crafted for critical listening tasks. Its frequency response is not completely linear but leans towards a natural and uncoloured presentation tailored to reveal subtleties in mixes. The bass is tight and well defined without exaggeration, avoiding muddy or boomy lows, which is suitable for precise mixing decisions.

Midrange reproduction places vocals slightly forward, enhancing clarity and emotional engagement without sounding harsh. The headphone exhibits a mild elevation in the upper mids and treble regions, which contributes to an open and airy feel while avoiding sibilance or fatigue. Some users describe the treble as slightly accentuated but not unpleasant.

The spacious soundstage exceeds typical expectations for this price range, providing good depth and a consistent stereo image. Instrument separation and layering are standout features, enabling identification of mix issues and subtle musical details. While the tonal balance is generally neutral, the Hi-X65’s signature might feel somewhat warm or intimate for those seeking a purely clinical or highly analytical headphone.

Technical Sound Attributes

• Impedance: 25 Ohms, allowing for easy driving from portable devices and laptops
• Sensitivity: 110 dB SPL/V, ensuring sufficient loudness with low distortion
• Total Harmonic Distortion below 0.1% at 1 kHz, preserving sound integrity
• Maximum input level: 150 mW, accommodating professional usage scenarios

Use Cases and Audience

The Hi-X65 is ideal for studio engineers, producers, and audiophiles who require a reliable tool for mixing, mastering, and analytical listening. Many users find the headphones especially effective for identifying mix details that other headphones and even some monitor speakers may obscure. The open-back system ensures a natural sound environment but is unsuitable for noisy surroundings due to sound leakage.

Its moderate clamp force and soft pads make it comfortable for long durations, though users with larger heads may experience minor pressure. Portability is enhanced by foldable design and included accessory cables, making it a practical choice for professionals who mix on the go.

Comparison and Value

Compared to competitors such as the Beyerdynamic DT 1990 Pro and Neumann NDH 30, the Hi-X65 stands out for its clarity and detail retrieval at a lower price point. While it does not afford the same level of extreme neutral flatness as some higher-end models, its spatial imaging and tonal finesse are excellent for the asking price. The build quality rivals pricier options, although some longevity concerns persist.

For users moving up from entry-level headphones or looking for an Austrian-built product with reduced carbon footprint, the Hi-X65 offers strong value and a distinctive listening experience that rewards close and repeated listening.

Limitations and Considerations

Some reviewers note the ear cushions’ limited lifespan and occasional discomfort due to clamping force or ear cup size. The open-back design allows environmental sound intrusion, restricting its use to quiet or controlled environments.

Occasional reported issues concerning cable connectors twisting loose and resulting in audio dropouts highlight a potential weakness in the locking mechanism design that manufacturers might improve. Users intending to rely heavily on the Hi-X65 should consider these factors before investing.

Conclusion

The Austrian Audio Hi-X65 offers a detailed, precise audio representation suited for professionals demanding transparency and spatial accuracy in their headphones. Its robust build and thoughtful ergonomics align well with its studio-oriented purpose, despite minor drawbacks in material longevity and cable handling. The sound signature, while slightly warm, delivers excellent clarity without harshness, making it a trusted choice for critical listening and mixing. Given its price and performance, the Hi-X65 represents a compelling option for those seeking a high-quality open-back headphone designed and produced in Europe.

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