Featured Deal
Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
Added to cart 28 times recently
2 In stock - Ready to Ship
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
2406-820-204
Biz 2400 II QD Mono NC 3 in 1 - Headset - Head-band - Office...
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Built Global. Stocked Local.
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Buyer Protection on Every Order
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Verified By Federal Bodies
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
2406-820-204-Biz 2400 II QD Mono NC 3 in 1 - Headset - Head-band - Office/Call center - Black - Silver - Monaural - China is a professional-grade monaural headset designed for high-demand office and call center environments. This headset integrates a single-ear speaker with a noise-cancelling condenser microphone and a durable head-band construction, delivering clear audio output and reliable voice input during extended use. The 3-in-1 wearing style provides flexibility for various user preferences and all-day comfort.
The headset utilizes a Quick Disconnect (QD) cable for connectivity, supporting seamless integration with desk phones, unified communications, and contact center systems that are compatible with QD standards. It offers a frequency response of 100 Hz to 10 kHz for speech-optimized clarity, and features advanced noise-cancelling (NC) technology for productive communication in shared workspaces. Ideal for office, call center, and unified communications deployments, this headset supports streamlined workflows and high-quality audio in busy professional settings.
2406-820-204 price is is available on request. Get immediate quote.
Request bulk order quote for 2406-820-204 for additional pricing. Browse the full Headsets series or explore all Jabra products.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| 2406-820-204 |  930-29-503-101 |  6593-829-409 |  24089-989-999 |  7599-838-199 | |
|---|---|---|---|---|---|
| Product Type | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment |
| Audio Device Type | Headset | Headset | Headset | Headset | Headset |
| Microphone Type | Condenser | Condenser | Dynamic | Condenser | Condenser |
| Form Factor | Head-band | Desktop | Portable | Portable | Portable |
| Use Case | Unified Communications / Conference Room / Office / Call Center | Unified Communications / Conference Room / Office | Unified Communications / Conference Room / Office | Unified Communications / Conference Room / Streaming / Broadcast / Remote Work | Unified Communications |
| Channel Configuration | Mono | Stereo | Mono | Stereo | Stereo |
| Connectivity | Quick Disconnect (QD) | USB | USB / Bluetooth | USB | USB / Bluetooth |
| Input Types | Quick Disconnect (QD) | USB | USB / Bluetooth | USB | USB / Bluetooth |
| Output Types | Quick Disconnect (QD) | USB | Speaker / 3.5mm | USB | 3.5mm / Bluetooth |
| Frequency Response | 100 Hz – 10 kHz | 150 Hz – 6.8 kHz (speaker), 150 Hz – 7 kHz (microphone) | 100 Hz – 10 kHz (Speaker), 150 Hz – 6.8 kHz (Microphone) | 20 Hz – 20 kHz (Speaker), 100 Hz – 14 kHz (Microphone) | 20 Hz – 20 kHz (music), 150 Hz – 6.8 kHz (calls) |
| Signal Processing | Noise Suppression | DSP / AEC / Noise Suppression | DSP / Noise Suppression | DSP / AEC / Noise Suppression | DSP / AEC / Noise Suppression / AGC |
| Control Interface | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons |
| Wireless Support | No | No | Bluetooth | No | Bluetooth |
| Product Name | 2406-820-204-Biz 2400 II QD Mono NC 3 in 1 | 930-29-503-101-PRO 930 Duo MS - Headset - Head-band - Office/Call center - Black - Binaural - China | Jabra Evolve 65 UC mono - Headset (6593-829-409) | Jabra Evolve2 40 UC Stereo - Headset (24089-989-999) | Jabra Evolve 75 UC Stereo Headset Head-band Bluetooth Black (7599-838-199) |
| Height | 6.89 | 6.89 | 6.73 | 2.25 | 6.89 |
| Width | 5.91 | 6.77 | 6.77 | 6.37 | 7.09 |
| Depth | 2.36 | 2.36 | 2.28 | 7.68 | 2.32 |
| Weight | 0.14 | 0.19 | 0.2 | 0.39 | 0.42 |
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.
High-quality mono QD headset with strong noise suppression.
Reliable desk phone compatibility and clear audio.
Comfortable for extended support shifts.
Durable construction suited for busy call centers.
Consistent voice clarity across devices.
Professional mono performance in enterprise environments.
Trusted communication tool for daily operations.
The Biz 2400 II QD Mono NC 3-in-1 headset offers an adjustable headband, superior noise-canceling microphone, QD (quick disconnect) connection, and three wearing styles (headband, earhook, and over-the-ear).
The advanced noise-canceling microphone filters out up to 95% of background noise, ensuring clear voice transmission in busy office or call-center environments.
The quick-disconnect (QD) cable is compatible with most desk phones equipped with QD ports and can be used with USB or 3.5 mm adapters for softphone and mobile device integration.
Yes, the 3-in-1 design allows tool-free conversion between headband, earhook, and over-the-ear wearing styles for personalized comfort.
The lightweight design (< 31 g) combined with an adjustable padded headband and soft leatherette ear cushion ensures all-day comfort during extended calls.
Use the QD-to-USB adapter (sold separately) to plug directly into your computer’s USB port and install the Plantronics software for call controls.
Yes, its ultra-noise-canceling microphone and acoustic shock protection make it ideal for high-noise call-center settings.
The Biz 2400 II comes with a two-year manufacturer’s warranty covering defects in materials and workmanship.
Constructed with reinforced steel and military-grade materials, the headset withstands daily wear and tear in demanding office environments.
Inline call controls are available via optional QD-to-USB or QD-to-4-pin handset adapters, enabling call answer/end and volume adjustment.
The user manual is provided in multiple languages, including English, Spanish, French, German, and Chinese, to support global customers.
Wipe ear cushions with a soft, damp cloth and mild disinfectant weekly; replace cushions every 6–12 months for optimal hygiene.
Yes, the microphone boom and ear cushion rotate, accommodating both left- and right-ear wearing preferences.
The Biz 2400 II QD Mono NC 3-in-1 headset is manufactured in China under strict quality control standards.
Yes, integrated acoustic shock protection safeguards users from sudden loud sounds, ensuring a safe audio experience.
Plantronics recommends replacing ear cushions every 6–12 months and headbands every 12–18 months, depending on usage frequency.
United States
