Blue Microphones KS2
The hybrid 1BA+1DD driver configuration with a 10mm composite diaphragm delivers a warm, bass-forward sound signature with transparent mids, while the translucent resin cavity suppresses internal sound wave reflections for cleaner audio. The detachable 4-strand 6N OFC cable and aluminum alloy nozzle improve signal clarity and mid-bass smoothness, offering modularity rare at this budget tier. This IEM is best for budget-conscious listeners and gamers who prioritize a fun, V-shaped sound and stylish design over commute-friendly isolation.
Snapshot
Pros & Cons
Pros
- Strong social proof (94th percentile) 94th
- Strong comfort (93th percentile) 93th
- Strong sound (89th percentile) 89th
- Strong anc (70th percentile) 70th
Cons
- Below average build (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.
Based on 8 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | in-ear |
| Wearing Style | around-the-ear |
| Ear Tips | 3 pairs of silicone ear tips |
| Weight | 0.0 kg / 0.0 lbs |
Audio
| Driver Type | hybrid |
| Driver Size | 10 |
| Drivers | 2 |
| Freq Min | 20 |
| Freq Max | 20000 |
| Impedance | 16 |
| Sensitivity | 106 |
| Hi-Res Audio | Yes |
| Codecs | KBEAR KS2 iem, in Ear Monitor Headphones Hybrid 1BA 1DD Wired Earbuds Stereo Bass HiFi IEM Earphone Noise Cancelling High Resolution with Detachable Cable for Running Gaming(Without mic, Purple-Blue) |
Noise Control
| ANC | Yes |
Connectivity
| Wireless | No |
Microphone
| Microphone | Yes |
| Mic Count | 1 |
| NC Mic | Yes |
Features
| Touch Controls | Yes |
| Gaming Mode | Yes |
vs Competition
| Spec | Blue Microphones KS2 | Samsung Galaxy Buds Buds3 Pro | EarFun Air Pro Air Pro 4+ | Soundcore Soundcore P31i | JBL Live Pro Live Pro 2 | Nothing Buds Buds 2 |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | hybrid | Dynamic | hybrid | Dynamic Driver | dynamic | dynamic |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | true | true | true | true | true | true |
| Bluetooth Version | - | 5.4 | 6.0 | 6.1 | 5.2 | 5.4 |
| Battery Life Hours | - | 6 | 12 | 10 | 10 | 13.5 |
| Case Battery Hours | - | 26 | 54 | 50 | 30 | 55 |
| Water Resistance | - | IP57 | IP55 | IP55 | IPX5 | IP55 |
| Multipoint | - | true | true | - | true | false |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Blue Microphones KS2 | 70.3 | 65 | 33.5 | 89.1 | 46.2 | 93.4 | 36.7 | 94.4 |
| Samsung Galaxy Buds Buds3 Pro Compare | 96.7 | 96.8 | 98.7 | 91.6 | 71.7 | 93.4 | 99.6 | 86.7 |
| EarFun Air Pro Air Pro 4+ Compare | 96.7 | 96.8 | 91 | 99.7 | 95.5 | 71.4 | 99.3 | 86.7 |
| Soundcore Soundcore P31i Compare | 88.3 | 96.8 | 91 | 96.3 | 93.4 | 71.4 | 85 | 86.7 |
| JBL Live Pro Live Pro 2 Compare | 96.7 | 96.8 | 91 | 75.7 | 83 | 71.4 | 97.1 | 75.8 |
| Nothing Buds Buds 2 Compare | 92 | 96.8 | 91 | 67 | 95.9 | 71.4 | 87 | 86.7 |
Price
Value & Pricing
Amazon.ca 1 offers From CA$31
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.