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2309-820-104
Biz 2300 Duo - Headset - Head-band - Office/Call center - Bl...
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2309-820-104-Biz 2300 Duo - Headset - Head-band - Office/Call center - Black - Binaural - 1.075 m is a professional-grade, binaural wired headset designed for high-quality communications in office and call center environments. This headset features dual speakers for stereo output and an integrated noise-canceling microphone, making it ideal for clear voice transmission and guaranteed comfort during long wear. The 2300 Duo connects via a standard 3.5mm or Quick Disconnect (QD) plug, depending on the specific model configuration, offering broad compatibility with desk phones, softphones, and unified communications systems.
It supports a frequency response of 150 Hz – 6.8 kHz for optimized voice clarity and speech intelligibility. The device is equipped with mechanisms for noise suppression and acoustic shock protection, ensuring safe and crystal-clear audio performance in busy workspaces. Commonly used in offices, call centers, and unified communications deployments, the 2309-820-104-Biz 2300 Duo is optimized for reliability, productivity, and ease of integration with major AV and telephony systems.
2309-820-104 price is is available on request. Get immediate quote.
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| 2309-820-104 |  26599-889-899 |  1553-0159 |  7899-829-209 |  26599-989-889 | |
|---|---|---|---|---|---|
| Product Type | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment |
| Audio Device Type | Headset | Headset | Headset | Headset | Headset |
| Microphone Type | Condenser | Condenser | Condenser | Condenser | Condenser |
| Form Factor | Desktop | Portable | Desktop | Portable | Portable |
| Use Case | Unified Communications / Conference Room / Office / Call Center | Unified Communications | Unified Communications / Conference Room / Office / Customer Support | Unified Communications / Conference Room / Meeting Spaces / Streaming | Unified Communications / Conference Room / Streaming |
| Channel Configuration | Stereo | Mono | Mono | Stereo | Stereo |
| Connectivity | Quick Disconnect (QD) / 3.5mm | USB-C / Bluetooth | USB | USB / 3.5mm | USB-C / Bluetooth |
| Input Types | 3.5mm / Quick Disconnect (QD) | USB / Bluetooth | USB | USB / 3.5mm | USB / Bluetooth |
| Output Types | 3.5mm / Quick Disconnect (QD) | Speaker / USB | USB | 3.5mm | USB / Bluetooth |
| Frequency Response | 150 Hz – 6.8 kHz | 20 Hz – 20 kHz (music), 100 Hz – 8 kHz (speak) | 20 Hz – 6.8 kHz (Speaker), 20 Hz – 4.5 kHz (Microphone) | 20 Hz – 20 kHz | 20 Hz – 20 kHz |
| Signal Processing | Noise Suppression / Acoustic Shock Protection | DSP / AEC / Noise Suppression | DSP / Noise Suppression | DSP / ANC | DSP / AEC / Noise Suppression |
| Control Interface | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons / App |
| Wireless Support | No | Bluetooth | No | No | Bluetooth |
| Product Name | 2309-820-104-Biz 2300 Duo - Headset - Head-band - Office/Call center - Black - Binaural - 1.075 m | Jabra Evolve2 65 Link380c UC Mono Black | Jabra BIZ 1500 Mono USB | Jabra Evolve 80 UC Stereo (7899-829-209) | Jabra Evolve2 65 Link380c UC Stereo (Stand) Black (26599-989-889) |
| Height | 6.93 | 6.38 | 6.6 | 8.1 | 7.1 |
| Width | 5.98 | 7.08 | 5.7 | 7.8 | 6.4 |
| Depth | 1.89 | 2.44 | 2.0 | 2.2 | 2.7 |
| Weight | 0.12 | 0.34 | 0.15 | 0.77 | 0.41 |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Excellent stereo clarity and sturdy construction.
Handles high call volumes without distortion.
Comfortable dual-ear design for long shifts.
Reliable audio quality in busy environments.
Durable cable and strong microphone performance.
Trusted headset for professional contact centers.
The Biz 2300 Duo (SKU: 2309-820-104) is a binaural, head-band style office and call-center headset in black, featuring a 1.075 m cable and noise-canceling microphone for crystal-clear communication.
The Biz 2300 Duo is compatible with all desk phones and softphones that support 3.5 mm jack or QD (quick-disconnect) interfaces; adapters are available for major VoIP systems.
The headset features a 1.075 m cable to ensure ample reach for desk-based workstations and call-center environments.
Yes. The Biz 2300 Duo’s built-in noise-canceling microphone filters out background noise for clearer voice transmission.
The Biz 2300 Duo is a binaural headset, providing stereo audio and superior concentration in busy office settings.
The headset includes soft leatherette ear cushions, an adjustable headband, and lightweight construction for all-day comfort.
Built with reinforced steel head-band and strain-relief joints, the Biz 2300 Duo withstands heavy daily use in professional environments.
Yes. The integrated QD (quick-disconnect) feature allows fast, tool-free headset removal without disrupting the call.
Yes. The Biz 2300 Duo is certified for major UC platforms including Microsoft Teams, Zoom, Cisco, and Avaya with the appropriate adapter.
The headset delivers a frequency response of 150 Hz to 6.8 kHz for voice and 20 Hz to 20 kHz for stereo audio applications.
The flexible boom arm can be rotated 270° and positioned on either side for optimal microphone placement and user preference.
Yes. The Biz 2300 Duo comes with a two-year manufacturer’s warranty covering defects in materials and workmanship.
Wipe ear cushions and headband with a soft cloth dampened with mild soap solution; avoid liquids entering the microphone or speaker openings.
Yes. Genuine replacement leatherette ear cushions can be ordered separately to maintain hygiene and comfort.
The package includes the Biz 2300 Duo headset, 1.075 m cable with QD connector, user guide, and warranty card.
United States
