Over-Ear
Sennheiser HD 650
85Outstanding
$380
Full review dataSennheiser HD 650 vs Shure Aonic 50 Gen 2: which should you buy?
On aggregated review scores the Sennheiser HD 650 comes out ahead with an HearWiki score of 85. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Sennheiser HD 650 - Outstanding overall at around $380.
Over-Ear
Shure Aonic 50 Gen 2
78Great
$389
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Sennheiser HD 650
Sound9.0
Value7.5
Shure Aonic 50 Gen 2
Sound8.5
Noise cancelling7.5
Battery9.0
Calls7.0
Value7.5
Specifications
| Spec | Sennheiser HD 650 | Shure Aonic 50 Gen 2 |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $380 | $389 |
| HearWiki score | 85 / 100 · Outstanding | 78 / 100 · Great |
| Released | - | 2023 |
| Audio | ||
| Driver | dynamic | dynamic |
| Driver size | 42 mm | 50 mm |
| Drivers per side | 2 | 2 |
| Frequency response | 10Hz-41kHz | 20 Hz - 22,000 Hz |
| Impedance | 300 Ω | 39 Ω |
| Sensitivity | 99.8 dB/mW | 97.5 dB/mW |
| Sensitivity (dB/Vrms) | 103 | - |
| Wireless | ||
| Bluetooth | - | 5.2 |
| Bluetooth version | - | 5.3 |
| Codecs | - | SBC, AAC, aptX, aptX HD, aptX Adaptive, aptX Voice, LDAC |
| Multipoint pairing | No | Yes |
| Wireless range | - | 100 m |
| Battery | ||
| Battery life | - | 45 h |
| Battery life (ANC on) | - | 41 h |
| Wireless charging | - | No |
| Features | ||
| Active noise cancelling | No | Yes |
| ANC type | - | adaptive |
| Transparency mode | - | Yes |
| Companion app | - | Yes |
| Custom EQ | - | Yes |
| Wear detection | - | No |
| Controls | buttons | buttons |
| Voice assistant | - | Alexa |
| Design | ||
| Weight | 260 g | 334 g |
| Water resistance | - | none |
| Foldable | No | - |
| Detachable cable | Yes | - |
| USB-C | No | Yes |
| Balanced connection | Yes | - |
| Calls | ||
| Microphones | - | 6 |
What reviewers said
Sennheiser HD 650
The Sennheiser HD 650 is a wired, open-back dynamic headphone built for serious home listening. It delivers a natural, detailed sound with a comfortable fit, though its sub-bass rolloff and bulky design limit it to stationary use rather than portable or active scenarios. Its replaceable cable and balanced connection option add to its appeal for audiophiles.
- Pro:Excellent clarity and natural tonal balance
- Pro:Very comfortable for long listening sessions
- Pro:Detachable cable and balanced output support
- Con:Noticeable sub-bass rolloff
- Con:Not portable or suitable for active use
- Con:High impedance requires a dedicated amplifier
Shure Aonic 50 Gen 2
These over-ear wireless headphones deliver a balanced, neutral sound signature with strong detail retrieval, backed by excellent battery endurance and a versatile feature set including adaptive ANC, multipoint pairing, and LDAC support. While the noise cancellation is competent rather than class-leading, the combination of customizable EQ, wired/wireless flexibility, and comfortable design makes them a solid all-rounder for discerning listeners.
- Pro:Excellent 45-hour battery life even with ANC active
- Pro:Balanced, detailed sound with customizable EQ
- Pro:Supports LDAC, AAC, and wired listening via USB-C
- Con:Noise cancellation is only average for the price
- Con:Sound presentation can feel reserved or unexciting
- Con:Physical controls may feel dated to some users
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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