| Product Type | Wired Monaural Headset |
| Form Factor | Over-the-head |
| Wearing Style | Headband |
| Weight | 50 g |
| Power Requirements | Powered through RJ9 connector |
| Acoustic Protection | ActiveProtection technology |
Yealink YHS34 Mono Wideband Headset with RJ9 QD

Key Benefits
Eye-Insights™ by Eye-In Technologies
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AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Purpose-built for seamless compatibility with Yealink IP phones via RJ9 connection
- Professional-grade comfort from ergonomic supra-aural design and leather cushioning
- Hearing protection and broad microphone response ensure reliable communication for long sessions
Product Overview
Wideband Headset for Yealink IP Phone Monaural Ear (single ear) Quick-disconnect (QD) cord RJ9 Headset Jack Hearing Protection Leather Ear CushionsSpecifications
Product Overview
Wireless Features
| Wireless | No |
Compliance & Origin
| Certifications | CE, FCC, RoHS |
| Country of Origin | China |
| Manufacturing Warranty | 2-year limited warranty |
Advanced Security Features
| Encryption | Not Applicable |
Included Accessories
| Included Earpads | 1 x Leatherette ear cushion (pre-installed) |
| Included Cable | QD to RJ9 cord |
| User Guide | Yes |
Interfaces
| Connector Type | RJ9 Quick Disconnect (QD) |
| Cable Type | QD to RJ9 cord |
| Quick Disconnect | Yes |
| Compatibility | Yealink IP phones with RJ9 headset port |
Physical & Environmental
| Earpad Material | Leatherette |
| Microphone Type | Noise-cancelling boom microphone |
| Microphone Frequency Response | 100 Hz – 8000 Hz |
| Sound Output Mode | Mono |
| Headphone Form Factor | Supra-aural (on-ear) |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -40°C to 70°C |
| Operating Humidity | 10% to 95% (non-condensing) |
Cloud Management & Licensing
| Cloud Management | Not Supported |
| Required Licensing | None |
Audio Performance
| Speaker Frequency Response | Not Specified |
| Speaker Impedance | 150 Ω ±15% |
| Microphone Sensitivity | -38 dB ±3 dB |
| Speaker Sensitivity | 95 dB ±3 dB |
| Noise Cancellation | Yes (Microphone-based) |
| HD Voice Support | Yes |
Compatibility
| Compatible Brands | Yealink |
| Compatible Devices | T2, T3, T4, T5 series Yealink IP phones supporting RJ9 jack |