Technics EAH-AZ100
Sennheiser IE 100 Pro 509171
What Buyers Say
Technics EAH-AZ100
The Technics EAH-AZ100 earbuds are overwhelmingly praised for their exceptional sound quality, with users highlighting deep bass, clear highs, and immersive audio. Comfort, battery life, and noise cancellation are also frequently commended, though some users note the price is high and volume could be louder. A few minor issues like Bluetooth LE disconnects and initial multi-device pairing were mentioned, but overall sentiment is very positive.
Pros
- Exceptional sound quality
- Deep immersive bass
- Effective noise cancellation
- Comfortable fit
- Excellent battery life
Cons
- High price point
- Limited maximum volume
- Bluetooth LE disconnects
- Initial multi-device pairing issues
- Plastic exterior
Sennheiser IE 100 Pro 509171
The Sennheiser IE 100 Pro earphones receive generally positive feedback for their sound quality, comfort, and value for money, especially in the entry-level pro audio segment. However, several users report issues with the proprietary connector, awkward button placement, and one case of left earbud failure. The included Bluetooth adapter is seen as a convenient bonus but degrades audio quality noticeably compared to wired use.
Pros
- Great sound quality
- Comfortable and lightweight fit
- Good value for money
- Excellent noise isolation
- Wired and wireless options included
Cons
- Proprietary connector limits cable options
- Awkward button placement
- Left earbud failure reported
- Bluetooth adapter reduces sound quality
- No battery level indicator
Scores
Specifications
| Technics EAH-AZ100 | Sennheiser IE 100 Pro 509171 | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | true wireless | true wireless |
| Ear Tips | 5 x Eartip Pairs | 4 earpiece adapters |
| Weight | 0.05 kg★ | 0.18 kg |
| Audio | ||
| Driver Type | dynamic | dynamic |
| Driver Size | 10 mm★ | — |
| Drivers | 1★ | — |
| Freq Min | 20 Hz | 20 Hz |
| Freq Max | 40 kHz★ | 18 kHz |
| Impedance | 16 Ω | 20 Ω |
| Sensitivity | — | 115 dB★ |
| Hi-Res Audio | ✓ | ✓ |
| Codecs | AAC, LC3, LDAC, SBC | Sennheiser Pro Audio IE 100 Pro Wireless In-Ear Monitor, Black |
| Surround | Dolby Atmos | — |
| Noise Control | ||
| ANC | ✓★ | — |
| ANC Type | adaptive | — |
| Transparency | ✓★ | — |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | 5.3★ | — |
| Profiles | AVRCP, A2DP, HSP, HFP, TMAP, PBP | — |
| Multipoint | ✓★ | — |
| Wired Connector | Bluetooth | — |
| Range | 10 m★ | — |
| Earbud Battery | ||
| Battery Life | 8 hrs | 10 hrs★ |
| Charge Time | 2.5 hrs★ | — |
| Fast Charging | 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 | IPX4 | — |
Pros & Cons
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
Sennheiser IE 100 Pro 509171
- Strong sound (81st percentile)81st %ile
- Strong comfort (72nd percentile)
- Below average battery (10th percentile)10th %ile
- Below average anc (31st percentile)
- Below average user sentiment (33rd percentile)
- Below average build (34th percentile)
Pricing
Technics EAH-AZ100
No current pricing available
Sennheiser IE 100 Pro 509171
Verdict
Scores 100 overall, wins 7 of 7 usage categories and 15 of 40 specs.
