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Reliable dual-ear DECT headset with stable wireless range.
920-29-508-101
Pro 920 Duo - Headset - Head-band - Office/Call center - Bla...
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920-29-508-101
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920-29-508-101-Pro 920 Duo - Headset - Head-band - Office/Call center - Black - Monaural - China is a professional monaural office headset designed for high-clarity audio in business environments and call centers. This headset features a single-ear, headband-style form factor with an integrated noise-cancelling microphone and high-quality speaker, offering focused audio while allowing users to remain aware of their surroundings. The 920 Duo supports wired connectivity via Quick Disconnect (QD), making it compatible with a wide range of desk phones and Unified Communications (UC) devices through compatible QD cables.
Engineered for all-day comfort, the headset efficiently balances lightweight construction with durability for intensive daily use. It delivers a frequency response optimized for clear voice reproduction (150 Hz – 6.8 kHz), and supports applications such as enterprise telephony, contact centers, customer service desks, and office communications. With its plug-and-play compatibility, noise-cancelling technology, and monaural configuration, the Pro 920 Duo is ideal for boardrooms, open-plan offices, and professional UC deployments.
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 920-29-508-101 |  26599-889-899 |  930-25-509-101 |  14401-07 |  4993-823-309 | |
|---|---|---|---|---|---|
| Product Type | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment |
| Audio Device Type | Headset | Headset | Headset | Headset | Headset |
| Microphone Type | Noise-Cancelling / N/A | Condenser | Condenser | Condenser | Condenser |
| Speaker Type | N/A | Active | N/A | N/A | N/A |
| Form Factor | Head-band | Portable | Head-band | Desktop | Desktop |
| Use Case | Unified Communications / Conference Room / Office / Call Center | Unified Communications | Unified Communications / Conference Room / Office | Conference Room / Unified Communications / Office / Call Center | Unified Communications / Conference Room / Meeting Space / Office |
| Channel Configuration | Mono | Mono | Mono | Mono | Mono |
| Connectivity | Quick Disconnect (QD) | USB-C / Bluetooth | USB | USB | USB |
| Input Types | Quick Disconnect (QD) | USB / Bluetooth | USB | USB | USB |
| Output Types | Quick Disconnect (QD) | Speaker / USB | USB | USB | USB |
| Power Output (if applicable) | N/A | N/A | N/A | N/A | N/A |
| Power Source | N/A | Battery / USB-Powered | USB-Powered | USB-Powered | USB-Powered |
| Frequency Response | 150 Hz – 6.8 kHz | 20 Hz – 20 kHz (music), 100 Hz – 8 kHz (speak) | 150 Hz – 7 kHz (Speaker), 150 Hz – 6.8 kHz (Microphone) | 150 Hz – 6.8 kHz | 150 Hz – 7 kHz |
| Signal Processing | Noise Suppression | DSP / AEC / Noise Suppression | DSP / AEC / Noise Suppression | DSP / Noise Suppression | DSP / Noise Suppression |
| Audio Codecs Supported | N/A | SBC / AAC | N/A | N/A | N/A |
| Mounting Option | N/A | Desktop | Desktop | N/A | Desktop |
| Control Interface | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons |
| Wireless Support | No | Bluetooth | No | No | No |
| Product Name | Pro 920 Duo Headset | Jabra Evolve2 65 Link380c UC Mono Black | Jabra PRO 930 Mono EMEA USB Headset (930-25-509-101) | 14401-07-PRO 9450 - Headset - Head-band - Office/Call center - Black - Monaural - China | Jabra Evolve 20 SE Mono MS Leatherette |
| Height | 6.4 inches | 6.38 | 6.3 | 6.7 | 2.17 |
| Width | 5.7 inches | 7.08 | 5.5 | 5.6 | 7.21 |
| Depth | 2.2 inches | 2.44 | 2.1 | 1.8 | 6.46 |
| Weight | 0.13 lbs | 0.34 | 0.12 | 0.16 | 0.22 |
Reliable dual-ear DECT headset with stable wireless range.
Comfortable headband and consistent call clarity.
Dependable desk phone integration and battery endurance.
Strong voice transmission for high-volume call centers.
Clear audio and stable signal across office floors.
Professional build quality and predictable performance.
Trusted wireless solution for enterprise communication needs.
The Pro 920 Duo offers professional sound quality, noise-canceling microphone, adjustable headband and monaural design for all-day office and call-center use.
Yes, its padded headband, soft ear cushion and lightweight construction ensure comfort during long shifts.
Yes, the unidirectional noise-canceling microphone minimizes background noise for clear voice transmission.
Yes, it supports standard RJ9 and 3.5 mm connectors for desk phones, PCs and mobile devices via appropriate adapters.