COOSII AC01
Its 40mm dynamic drivers and passive noise-isolating over-ear design block up to 85% of ambient sound for focused listening. The enlarged, deeply cushioned ear pads with breathable mesh and a lightweight 289g foldable frame prioritize all-day comfort and portability. This wired headset is best for students and remote workers needing an affordable, durable 3.5mm option for Chromebooks and tablets, though PC users will need an adapter for mic and volume control.
form factor over-ear
driver type dynamic
driver size mm 40
impedance ohms 32
open closed back closed
57 Overall Score
Price £0
Snapshot
Pros & Cons
Pros
- Strong build (87th percentile) 87th
- Strong comfort (79th percentile) 79th
- Strong social proof (75th percentile) 75th
- Strong mic (66th percentile) 66th
Cons
- Below average connectivity (13th percentile)
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | over-ear |
| Open/Closed | closed |
| Foldable | Yes |
| Weight | 0.3 kg / 0.6 lbs |
| Ear Cushion | protein leather |
| Headband | TPU |
Audio
| Driver Type | dynamic |
| Driver Size | 40 |
| Freq Max | 20000 |
| Impedance | 32 |
| Codecs | AC01 Over-Ear Headphones Wired, Passive Noise Isolating Corded Stereo Headsets with Mic Volume Control for Adults Teens 3.5mm for Chromebooks, Laptop, Computer, Tablets, Travel (Black Blue) |
| Surround | AC01 Over-Ear Headphones Wired, Passive Noise Isolating Corded Stereo Headsets with Mic Volume Control for Adults Teens 3.5mm for Chromebooks, Laptop, Computer, Tablets, Travel (Black Blue) | AC01 Ove |
Noise Control
| ANC | No |
| Transparency | Yes |
Connectivity
| Wireless | No |
| Wired Connector | 3.5mm |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
Features
| Touch Controls | No |
| Water Resistance | Water-Resistant |
vs Competition
| Spec | COOSII AC01 | Sennheiser MOMENTUM 4 | Bowers & Wilkins Px8 S2 | Sony ULT WEAR WHULT900N/B | Bose QuietComfort Ultra 2nd Gen | TOZO HT3 |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | over-ear | over-ear | over-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | 40 | 42 | 40 | 40 | - | 40 |
| Impedance Ohms | 32 | 470 | - | 314 | 32 | 16 |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Open Closed Back | closed | closed | closed | closed | closed | closed |
| Bluetooth Version | - | 5.2 | 5.3 | 5.2 | 5.4 | 6.0 |
| Battery Life Hours | - | 60 | 30 | 30 | 30 | 90 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| COOSII AC01 | 62.6 | 65.7 | 86.9 | 61.3 | 42.7 | 78.9 | 13 | 74.6 |
| Sennheiser MOMENTUM 4 Compare | 97.4 | 84.2 | 92 | 97.6 | 88.7 | 86.4 | 97.7 | 59.5 |
| Bowers & Wilkins Px8 S2 Compare | 97.4 | 99.3 | 95.7 | 99.4 | 71.3 | 50.1 | 97.3 | 97.5 |
| Sony ULT WEAR WHULT900N/B Compare | 97.4 | 84.2 | 75.9 | 94.9 | 71.3 | 50.1 | 98.9 | 83.2 |
| Bose QuietComfort Ultra 2nd Gen Compare | 91.9 | 77.5 | 97.1 | 46.3 | 71.3 | 50.1 | 99.7 | 83.2 |
| TOZO HT3 Compare | 87 | 84.2 | 95.7 | 98.9 | 96.9 | 50.1 | 96.3 | 91.4 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
