Over-Ear
Austrian Audio Hi-X15
84Great
$149
Full review dataAustrian Audio Hi-X15 vs Sennheiser HD 4.40 BT Wireless: which should you buy?
On aggregated review scores the Austrian Audio Hi-X15 comes out ahead with an HearWiki score of 84. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Austrian Audio Hi-X15 - Great overall at around $149.
Over-Ear
Sennheiser HD 4.40 BT Wireless
74Good
$99
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Austrian Audio Hi-X15
Sound8.5
Value9.0
Sennheiser HD 4.40 BT Wireless
Sound7.5
Battery7.0
Calls6.0
Value8.0
Specifications
| Spec | Austrian Audio Hi-X15 | Sennheiser HD 4.40 BT Wireless |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $149 | $99 |
| HearWiki score | 84 / 100 · Great | 74 / 100 · Good |
| Released | 2021 | 2016 |
| Audio | ||
| Driver | dynamic | dynamic |
| Driver size | 44 mm | 32 mm |
| Drivers per side | 2 | 2 |
| Frequency response | 12Hz-24kHz | 18Hz-22kHz |
| Impedance | 25 Ω | 18 Ω |
| Sensitivity | 99 dB/mW | - |
| Sensitivity (dB/Vrms) | 113 | - |
| Wireless | ||
| Bluetooth | - | 4.0 |
| Bluetooth version | - | 4.0 |
| Codecs | - | SBC, aptX |
| Multipoint pairing | No | No |
| Battery | ||
| Battery life | - | 25 h |
| Full charge time | - | 120 min |
| Wireless charging | - | No |
| Features | ||
| Active noise cancelling | No | No |
| ANC type | - | none |
| Transparency mode | - | No |
| Companion app | - | No |
| Custom EQ | - | No |
| Wear detection | - | No |
| Controls | - | buttons |
| Design | ||
| Weight | 255 g | 225 g |
| Water resistance | - | none |
| Foldable | Yes | - |
| Detachable cable | Yes | Yes |
| USB-C | No | No |
| Calls | ||
| Microphones | - | 2 |
What reviewers said
Austrian Audio Hi-X15
The Austrian Hi-X15 is a wired over-ear headphone that brings studio-grade clarity and detail to a budget-friendly price point. Its lightweight, foldable build and low-impedance design make it a practical choice for on-the-go engineers, while the 44mm dynamic drivers deliver a balanced, revealing sound that suits tracking and mixing tasks. It offers impressive value for those seeking transparent monitoring without breaking the bank.
- Pro:Excellent price-to-performance ratio
- Pro:Lightweight and foldable for portability
- Pro:Easy to drive with low impedance and high sensitivity
- Con:Lacks Bluetooth or multipoint connectivity
- Con:No active noise cancellation
- Con:Some technical specifications are not fully disclosed
Sennheiser HD 4.40 BT Wireless
The Sennheiser HD 4.40 BT delivers a smooth, pleasant wireless listening experience with a warm, bass-friendly tilt that suits casual music fans. They're a straightforward, well-built pair of over-ears that offer solid all-around performance for the price, though they lack modern extras like active noise cancellation or app support. Overall, they're a reliable budget pick that prioritizes comfort and easy listening over cutting-edge features.
- Pro:Warm, bass-forward sound that's easy to enjoy
- Pro:Solid build quality for the price
- Pro:Long 25-hour battery life
- Con:Headband padding is a bit thin
- Con:No active noise cancellation or transparency mode
- Con:Lacks app support and custom EQ
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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