ISOtunes IT-21B
ISOtunes
46 Overall Score
vs
Technics EAH-AZ100
Technics
100 Overall Score
What Buyers Say
ISOtunes IT-21B
No customer feedback yet
Technics EAH-AZ100
92 out of 100 low confidence 8 reviews
Users are overwhelmingly positive about the Technics EAH-AZ100 earbuds, praising the exceptional sound quality, especially with LDAC and Dolby Atmos, and the surprisingly effective AI-powered call noise cancellation that blocks out background noise like screaming kids or car washes. Comfort, customization via the app, and solid battery life are also highlighted. The only potential downside mentioned is the high price, but most feel the premium features justify the cost.
Pros
- Exceptional sound quality with LDAC
- AI-powered call noise cancellation
- Comfortable fit for long wear
- Customizable EQ via app
- Solid battery life
Cons
- High price point
- ANC slightly weaker than AZ80
Sound quality 8
Call quality 2
Noise cancellation 5
Comfort 4
Battery life 2
Value for money 3
Scores
Budget
Travel
Calls
Commute
Music
Gaming
Fitness
Specifications
| ISOtunes IT-21B | Technics EAH-AZ100 | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | true wireless | true wireless |
| Ear Tips | — | 5 x Eartip Pairs |
| Weight | — | 0.05 kg★ |
| Audio | ||
| Driver Type | dynamic | dynamic |
| Driver Size | — | 10 mm★ |
| Drivers | — | 1★ |
| Freq Min | — | 20 Hz★ |
| Freq Max | — | 40 kHz★ |
| Impedance | 32 Ω | 16 Ω |
| Hi-Res Audio | — | ✓★ |
| Codecs | ISOtunes PRO 3.0 Bluetooth Hearing Protection - OSHA Approved Earbuds with 20 Hour Battery Life, Bluetooth Ear Protection with 27 dB Noise Reduction (NRR) Earplug Headphones - Durable Work Earbuds | AAC, LC3, LDAC, SBC |
| Surround | — | Dolby Atmos |
| Noise Control | ||
| ANC | ✗ | ✓★ |
| ANC Type | — | adaptive |
| Transparency | — | ✓★ |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | 5.4★ | 5.3 |
| Profiles | — | AVRCP, A2DP, HSP, HFP, TMAP, PBP |
| Multipoint | ✓ | ✓ |
| Wired Connector | — | Bluetooth |
| Range | — | 10 m★ |
| Earbud Battery | ||
| Battery Life | 20 hrs★ | 8 hrs |
| Charge Time | — | 2.5 hrs★ |
| Fast Charging | 10-minute charge delivers 2 hours of listening | 15 min. for 90 min. playback |
| Charging | USB-C | USB-C |
| Case Battery | ||
| Case Battery | — | 28 hrs★ |
| Case Charging | USB-C | USB-C |
| Wireless Charging | — | ✓★ |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | — | 6★ |
| NC Mic | ✓ | ✓ |
| Features | ||
| Voice Assistant | — | Google Assistant, Siri |
| Touch Controls | — | ✓★ |
| App | — | Android & iOS |
| Volume Limiting | — | ✗ |
| Gaming Mode | — | ✗ |
| Bone Conduction | ✗ | ✗ |
| Water Resistance | IP67 | IPX4 |
Pros & Cons
ISOtunes IT-21B
- Strong build (99th percentile)99th %ile
- Strong connectivity (80th percentile)80th %ile
- Strong battery (74th percentile)
- Strong mic (67th percentile)
- Below average comfort (29th percentile)
- Below average sound (29th percentile)
- Below average anc (31st percentile)
Technics EAH-AZ100
- Strong connectivity (100th percentile)100th %ile
- Strong sound (99th percentile)99th %ile
- Strong mic (98th percentile)98th %ile
- Strong anc (97th percentile)97th %ile
Verdict
Winner: Technics EAH-AZ100
Scores 100 overall, wins 7 of 7 usage categories and 14 of 39 specs.