COOSII AC01
Snapshot
Pros & Cons
Pros
- Strong comfort (81st percentile) 81st
- Strong social proof (80th percentile) 80th
- Strong mic (68th percentile) 68th
- Strong anc (66th percentile) 66th
Cons
- Below average connectivity (22nd 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.
Based on 12 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | over-ear |
| Open/Closed | closed |
| Foldable | Yes |
| Ear Cushion | protein leather |
| Headband | TPU |
Audio
| Driver Type | dynamic |
| Driver Size | 40 |
| Impedance | 32 |
| Codecs | AC01 Headphones Wired Over Ear, Corded Stereo Headsets with Microphone Volume Control for Adults Teens Kids 3.5mm for Cellphones, Tablets, Laptop, Chromebook (Black Grey) |
| Surround | AC01 Headphones Wired Over Ear, Corded Stereo Headsets with Microphone Volume Control for Adults Teens Kids 3.5mm for Cellphones, Tablets, Laptop, Chromebook (Black Grey) | AC01 Headphones Wired Over |
Noise Control
| Transparency | Yes |
Connectivity
| Wireless | No |
| Wired Connector | 3.5mm |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
vs Competition
| Spec | COOSII AC01 | Sony ULT WEAR WHULT900N/B | TOZO HT2 | Sennheiser ACCENTUM Plus | Bose QuietComfort 884367-0100 | Truefree HF-10 |
|---|---|---|---|---|---|---|
| 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 | 40 | 40 | 37 | - | 40 |
| Impedance Ohms | 32 | 314 | 32 | - | 32 | 20 |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Open Closed Back | closed | closed | closed | closed | closed | closed |
| Bluetooth Version | - | 5.2 | 5.3 | 5.2 | 5.1 | 6.0 |
| Battery Life Hours | - | 30 | 60 | 50 | 24 | 125 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| COOSII AC01 | 66.3 | 68.1 | 35 | 65.6 | 44.7 | 81 | 22.3 | 80.3 |
| Sony ULT WEAR WHULT900N/B Compare | 98 | 85.3 | 77.7 | 95.6 | 76.1 | 53.6 | 98.9 | 87.5 |
| TOZO HT2 Compare | 93.4 | 83.2 | 95.7 | 99.1 | 90.7 | 81 | 83.1 | 87.5 |
| Sennheiser ACCENTUM Plus Compare | 93.4 | 79.2 | 35 | 95.8 | 85.9 | 53.6 | 96.2 | 80.3 |
| Bose QuietComfort 884367-0100 Compare | 93.4 | 68.1 | 92.4 | 48.9 | 72.7 | 16 | 93.4 | 93.9 |
| Truefree HF-10 Compare | 93.4 | 85.3 | 95.7 | 83.1 | 99.8 | 81 | 95 | 93.9 |
Price
Value & Pricing
Amazon.es 1 offer From €53
We started tracking prices for this product on Jul 22, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.