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.
Snapshot
Pros & Cons
Pros
- Strong build (89th percentile) 89th
- Strong comfort (84th percentile) 84th
- Strong social proof (83rd percentile) 83rd
- Strong mic (73rd percentile) 73rd
Cons
- Below average connectivity (26th 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 11 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 |
| 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 Wired Headphones with Microphone, Corded Noise Isolating Stereo Headsets for Adults Teens with Long Cord Wire 3.5mm Plug for Cellphones, Tablets, Laptop, Chromebook (Black Blue) |
| Surround | AC01 Over Ear Wired Headphones with Microphone, Corded Noise Isolating Stereo Headsets for Adults Teens with Long Cord Wire 3.5mm Plug for Cellphones, Tablets, Laptop, Chromebook (Black Blue) | AC01 O |
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 | Bose QuietComfort 884367-1100 | JBL Tune 670NC | Beyerdynamic Aventho 1001609 | Sony ULT Wear 900N Wireless Noise Canceling |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | on-ear | on-ear | over-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | 40 | 42 | - | 32 | 45 | 40 |
| Impedance Ohms | 32 | 470 | 32 | 32 | 48 | 314 |
| 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 | 5.1 | 5.3 | 5.4 | 5.2 |
| Battery Life Hours | - | 60 | 24 | 70 | 40 | 30 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| COOSII AC01 | 68.7 | 73.3 | 89.2 | 71.7 | 50.3 | 84.2 | 52.6 | 26 | 82.6 |
| Sennheiser MOMENTUM 4 Compare | 98.4 | 88.2 | 93.4 | 98.3 | 92.5 | 89.9 | 36.9 | 98.5 | 71 |
| Bose QuietComfort 884367-1100 Compare | 91.2 | 73.3 | 93.4 | 49.4 | 77.8 | 84.2 | 80.8 | 94.5 | 89.1 |
| JBL Tune 670NC Compare | 98.4 | 73.3 | 80.5 | 64.4 | 95.1 | 89.9 | 81.1 | 99.4 | 98.7 |
| Beyerdynamic Aventho 1001609 Compare | 98.4 | 83.3 | 96.1 | 98.7 | 85 | 59.3 | 0 | 98.2 | 59.6 |
| Sony ULT Wear 900N Wireless Noise Canceling Compare | 98.4 | 88.2 | 80.5 | 96.5 | 80.7 | 59.3 | 0 | 99.1 | 34.9 |
Price
Value & Pricing
Amazon.ca 1 offer From CA$68
We started tracking prices for this product on Jul 24, 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.
