ONIX Overture XM5 Review: Wi-Fi-Enabled DAP with Audiophile-Grade Sound
Feb 28, 2025

In the realm of high-fidelity portable audio, the ONIX Overture XM5 emerges as a noteworthy contender. Released in mid-2024 at a price point of $739 USD, the XM5 signifies ONIX Audio's dedication to delivering audiophile-grade sound in a portable format. After extensive use in various settings, this review delves into its design, features, performance, and overall value proposition.
Design and Build Quality
The XM5 boasts a CNC-machined aluminum chassis, exuding both durability and elegance. Its dimensions are 115 x 70 x 19 mm, and it weighs 275 grams, offering a substantial yet portable feel. The front panel features a 3-inch square OLED touchscreen with a 720p resolution, ensuring vibrant visuals and clear readability. Complementing the touchscreen are four physical buttons and a gold-plated volume wheel, facilitating intuitive control and adding a touch of sophistication.
Features and Connectivity
Audio Hardware
At its core, the XM5 is equipped with the flagship ESS ES9039PRO DAC chipset, renowned for high-resolution audio decoding. This is paired with dual TPA6120A2 amplifiers, delivering a powerful output of up to 1069mW at 32Ω through the balanced output, ensuring compatibility with a wide range of headphones and in-ear monitors.
Storage and Expansion
The device offers 128GB of internal storage, supplemented by dual microSD card slots, each supporting up to 2TB. This expansive capacity accommodates extensive high-resolution audio libraries.
Connectivity
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Outputs:
- 3.5mm single-ended
- 4.4mm balanced
- USB-C digital audio output for external DACs
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Wireless:
- Wi-Fi (2.4G/5G): Supports DLNA, AirPlay, and Tidal streaming.
- Bluetooth 5.2: Two-way connectivity with support for LDAC, aptX HD, aptX, SBC, and AAC codecs.
Battery and Power
The XM5 houses a 7000mAh battery, providing up to 14 hours of playback on single-ended output and 12 hours on balanced output. Charging is facilitated via a standard USB-C port.
User Interface and Software
Operating on an in-house developed system powered by the Ingenic X2000 platform, the XM5 offers a streamlined and responsive user experience. The interface focuses on music playback, supporting:
- Hi-Res file formats: Up to PCM 768kHz/32-bit and DSD512.
- Streaming: Native Tidal integration over Wi-Fi.
- Wireless protocols: DLNA and AirPlay for versatile streaming options.
While the system is efficient, it lacks support for third-party applications, which may limit users seeking broader streaming service compatibility.
Audio Performance
The XM5 delivers a warm and rich sound signature, characterized by:
- Bass: Tight and controlled with substantial depth.
- Midrange: Clear and detailed, offering an engaging vocal presentation.
- Treble: Smooth and extended, free from harshness.
The soundstage is notably wide and spacious, with precise imaging. The device's high output power ensures it can drive both sensitive IEMs and more demanding over-ear headphones effectively.
Practical Usage and Considerations
- Build Quality: The robust construction ensures durability, though the device may feel slightly hefty for some users.
- Thermal Performance: Prolonged use, especially with high-impedance headphones, can cause the device to become warm.
- Battery Life: While the battery offers substantial playback time, streaming and high-gain usage may reduce endurance.
- Accessories: A protective leather case is available but sold separately, which could be a consideration for users seeking comprehensive protection.
Comparison with Competitors
At its price point, the XM5 competes with models like the Astell&Kern SR25 MKII and the iBasso DX320. Compared to these:
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Pros:
- Power Output: The XM5 offers higher output power, suitable for a broader range of headphones.
- Sound Signature: Its warm and dynamic presentation appeals to those preferring a rich tonal character.
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Cons:
- User Interface: The proprietary system, while stable, lacks the flexibility and app support of Android-based competitors.
- Streaming Services: Limited to Tidal, whereas others offer broader native streaming options.
Conclusion
The ONIX Overture XM5 stands out as a robust and high-performing portable audio player. Its combination of premium build quality, powerful audio performance, and expansive storage options make it a compelling choice for audiophiles seeking a dedicated music player. While it has some limitations in software flexibility and accessory inclusions, its core functionality and sound quality offer significant value in its class.
For a visual overview and further insights, consider watching the following review: