United States
Name:
2309-820-104
- Description:
- Biz 2300 Duo - Headset - Head-band - Office/Call center - Black - Binaural - 1.075 m
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3 Year Extended Warranty
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Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
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Free 14-Day Returns
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
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Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
2309-820-104 Overview
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.
What is the price of 2309-820-104?
Pricing for 2309-820-104 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 2309-820-104.
Explore more options from Audio Equipment or explore other Jabra products.
2309-820-104 Specifications
| Product Type | Audio Equipment |
| Audio Device Type | Headset |
| Microphone Type | Condenser |
| Speaker Type | N/A |
| Form Factor | Desktop |
| Use Case | Unified Communications / Conference Room / Office / Call Center |
| Channel Configuration | Stereo |
| Connectivity | Quick Disconnect (QD) / 3.5mm |
| Input Types | 3.5mm / Quick Disconnect (QD) |
| Output Types | 3.5mm / Quick Disconnect (QD) |
| Power Output (if Applicable) | N/A |
| Power Source | N/A |
| Frequency Response | 150 Hz – 6.8 kHz |
| Signal Processing | Noise Suppression / Acoustic Shock Protection |
| Audio Codecs Supported | N/A |
| Mounting Option | N/A |
| Control Interface | Physical Buttons |
| Wireless Support | No |
| Product Name | 2309-820-104-Biz 2300 Duo - Headset - Head-band - Office/Call center - Black - Binaural - 1.075 m |
| Height | 6.93 |
| Width | 5.98 |
| Depth | 1.89 |
| Weight | 0.12 |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Audio Codecs Supported | SBC / AAC | N/A | N/A | N/A | SBC / AAC |
| Audio Device Type | Headset | Headset | Headset | Headset | Headset |
| Channel Configuration | Stereo | Stereo | Stereo | Mono | Mono |
| Connectivity | USB-C / Bluetooth | Quick Disconnect (QD) / 3.5mm | USB / 3.5mm | USB | USB-C / Bluetooth |
| Control Interface | Physical Buttons / App | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons |
| Depth | 2.7 | 1.89 | 2.2 | 2.0 | 2.44 |
| Form Factor | Portable | Desktop | Portable | Desktop | Portable |
| Frequency Response | 20 Hz – 20 kHz | 150 Hz – 6.8 kHz | 20 Hz – 20 kHz | 20 Hz – 6.8 kHz (Speaker), 20 Hz – 4.5 kHz (Microphone) | 20 Hz – 20 kHz (music), 100 Hz – 8 kHz (speak) |
| Height | 7.1 | 6.93 | 8.1 | 6.6 | 6.38 |
| Input Types | USB / Bluetooth | 3.5mm / Quick Disconnect (QD) | USB / 3.5mm | USB | USB / Bluetooth |
| Microphone Type | Condenser | Condenser | Condenser | Condenser | Condenser |
| Mounting Option | Desktop | N/A | Desktop | N/A | Desktop |
| Output Types | USB / Bluetooth | 3.5mm / Quick Disconnect (QD) | 3.5mm | USB | Speaker / USB |
| Power Output (if applicable) | N/A | N/A | N/A | N/A | N/A |
| Power Source | USB-Powered / Battery | N/A | USB-Powered | USB-Powered | Battery / USB-Powered |
| Product Name | Jabra Evolve2 65 Link380c UC Stereo (Stand) Black (26599-989-889) | 2309-820-104-Biz 2300 Duo - Headset - Head-band - Office/Call center - Black - Binaural - 1.075 m | Jabra Evolve 80 UC Stereo (7899-829-209) | Jabra BIZ 1500 Mono USB | Jabra Evolve2 65 Link380c UC Mono Black |
| Product Type | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment |
| Signal Processing | DSP / AEC / Noise Suppression | Noise Suppression / Acoustic Shock Protection | DSP / ANC | DSP / Noise Suppression | DSP / AEC / Noise Suppression |
| Speaker Type | Active | N/A | Active | N/A | Active |
| Use Case | Unified Communications / Conference Room / Streaming | Unified Communications / Conference Room / Office / Call Center | Unified Communications / Conference Room / Meeting Spaces / Streaming | Unified Communications / Conference Room / Office / Customer Support | Unified Communications |
| Weight | 0.41 | 0.12 | 0.77 | 0.15 | 0.34 |
| Width | 6.4 | 5.98 | 7.8 | 5.7 | 7.08 |
| Wireless Support | Bluetooth | No | No | No | Bluetooth |
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Questions & Answers
Q
What is the Biz 2300 Duo headset (SKU: 2309-820-104)?
A
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.
Q
Which devices is the Biz 2300 Duo headset compatible with?
A
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.
Q
How long is the cable on the Biz 2300 Duo headset?
A
The headset features a 1.075 m cable to ensure ample reach for desk-based workstations and call-center environments.
Q
Does the Biz 2300 Duo headset include noise-canceling technology?
A
Yes. The Biz 2300 Duo’s built-in noise-canceling microphone filters out background noise for clearer voice transmission.
Q
Is the Biz 2300 Duo a binaural or monaural headset?
A
The Biz 2300 Duo is a binaural headset, providing stereo audio and superior concentration in busy office settings.
Q
What comfort features does the Biz 2300 Duo offer?
A
The headset includes soft leatherette ear cushions, an adjustable headband, and lightweight construction for all-day comfort.
Q
How durable is the Biz 2300 Duo headset?
A
Built with reinforced steel head-band and strain-relief joints, the Biz 2300 Duo withstands heavy daily use in professional environments.
Q
Does the Biz 2300 Duo headset support quick disconnect?
A
Yes. The integrated QD (quick-disconnect) feature allows fast, tool-free headset removal without disrupting the call.
Q
Can I use the Biz 2300 Duo headset with unified communication (UC) platforms?
A
Yes. The Biz 2300 Duo is certified for major UC platforms including Microsoft Teams, Zoom, Cisco, and Avaya with the appropriate adapter.
Q
What frequency range does the Biz 2300 Duo headset cover?
A
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.
Q
How do I adjust the microphone position on the Biz 2300 Duo?
A
The flexible boom arm can be rotated 270° and positioned on either side for optimal microphone placement and user preference.
Q
Is there a warranty for the Biz 2300 Duo headset?
A
Yes. The Biz 2300 Duo comes with a two-year manufacturer’s warranty covering defects in materials and workmanship.
Q
How do I clean and maintain the Biz 2300 Duo headset?
A
Wipe ear cushions and headband with a soft cloth dampened with mild soap solution; avoid liquids entering the microphone or speaker openings.
Q
Are replacement ear cushions available for the Biz 2300 Duo?
A
Yes. Genuine replacement leatherette ear cushions can be ordered separately to maintain hygiene and comfort.
Q
What is included in the package with the Biz 2300 Duo headset?
A
The package includes the Biz 2300 Duo headset, 1.075 m cable with QD connector, user guide, and warranty card.
