HP 951009
The 30mm dynamic drivers and open-back design deliver a 20Hz-21kHz frequency range suitable for neutral monitoring at a desk. Its 94g foldable frame and 4-foot cord make it a practical, lightweight wired option for stationary use. These headphones are best for budget-conscious users needing a simple, no-frills headset for basic studio tracking or long listening sessions where open-back soundstage is valued over isolation.
form factor on-ear
driver type dynamic
driver size mm 30
impedance ohms 32
open closed back open
34 Overall Score
Price £0
Snapshot
Pros & Cons
Pros
- Strong comfort (91st percentile) 91st
- Strong sound (66th percentile) 66th
Cons
- Below average mic (20th percentile)
- Below average connectivity (27th percentile)
- Below average anc (33rd percentile)
- Below average social proof (34th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has improved over time
Based on 2 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | on-ear |
| Open/Closed | open |
| Foldable | Yes |
| Weight | 0.1 kg / 0.3 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 30 |
| Freq Min | 20 |
| Freq Max | 21000 |
| Impedance | 32 |
| Sensitivity | 100 |
Noise Control
| ANC | No |
Connectivity
| Wireless | No |
| Wired Connector | 3.5mm |
| Cable Length | 1.22 |
Microphone
| Microphone | No |
vs Competition
| Spec | HP 951009 | Bowers & Wilkins Px8 S2 | Sony ULT WEAR WHULT900N/B | Sennheiser MOMENTUM 4 | Apple AirPods Max Midnight | Technics EAH-A800 |
|---|---|---|---|---|---|---|
| Form Factor | on-ear | over-ear | over-ear | over-ear | over-ear | over-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | 30 | 40 | 40 | 42 | 40 | 40 |
| Impedance Ohms | 32 | - | 314 | 470 | 16 | 34 |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Open Closed Back | open | closed | closed | closed | closed | closed |
| Bluetooth Version | - | 5.3 | 5.2 | 5.2 | 5.0 | 5.2 |
| Battery Life Hours | - | 30 | 30 | 60 | 20 | 50 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| HP 951009 | 33.3 | 20.3 | 37.4 | 66.1 | 51.4 | 90.8 | 26.6 | 33.5 |
| Bowers & Wilkins Px8 S2 Compare | 98.4 | 99.5 | 96 | 99.4 | 81.1 | 61.2 | 98.2 | 98.6 |
| Sony ULT WEAR WHULT900N/B Compare | 98.4 | 88.8 | 80.7 | 96.8 | 81.1 | 61.2 | 99.2 | 89.2 |
| Sennheiser MOMENTUM 4 Compare | 98.4 | 88.8 | 93.3 | 98.3 | 92.9 | 90.8 | 98.5 | 71.5 |
| Apple AirPods Max Midnight Compare | 98.4 | 87 | 93.3 | 94.8 | 76.3 | 34.5 | 88.5 | 98.6 |
| Technics EAH-A800 Compare | 95 | 98.8 | 80.7 | 97.9 | 88.9 | 61.2 | 98 | 65.3 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
