Jabra Biz 2400 II Duo Headset | QD | UNC – 2409-720-209
BIZ 2400 II QD Duo UNC
Stereo corded headset · QD · ultra NC · leatherette
MPN: 2409-720-209
|
Condition: New
|
Checking...
Your Price
$194.28
MSRP: $333.00
Your Savings
$138.72
41.7% off MSRP
Certified Women-Owned
- Ultra Noise-Canceling Microphone
- HD Voice · Hi-Fi Sound
- 40% Lighter · All-Day Comfort
- FreeSpin 360° Boom · Unbreakable
- PeakStop Hearing Protection
- Quick Disconnect · Universal Compatibility
Will this work for me?
View Requirements
BIZ 2400 II QD Duo UNC
Stereo corded headset · QD · ultra NC · leatherette
MPN: 2409-720-209
|
Condition: New
|
Checking...
Your Price
$194.28
MSRP: $333.00
Your Savings
$138.72
41.7% off MSRP
Certified Women-Owned
- Ultra Noise-Canceling Microphone
- HD Voice · Hi-Fi Sound
- 40% Lighter · All-Day Comfort
- FreeSpin 360° Boom · Unbreakable
- PeakStop Hearing Protection
- Quick Disconnect · Universal Compatibility
Will this work for me?
View RequirementsProduct Overview
The Jabra Biz 2400 II Duo (2409-720-209) is a corded professional headset engineered for the clearest conversations in demanding contact center environments. Featuring Ultra Noise-Canceling (UNC) microphone technology, this stereo headset eliminates background noise to ensure only your voice is heard, delivering a superior customer experience. The dual-ear design with 30mm Dynamic PureSound speakers provides HD Voice quality and Hi-Fi sound for both calls and music.
Built for all-day comfort, the Biz 2400 II is up to 40% lighter than competing headsets, featuring super-soft leatherette ear cushions and headband padding. The Quick Disconnect (QD) connector enables instant connectivity to a wide range of desk phone systems when paired with the appropriate QD cable or adapter. The unbreakable FreeSpin 360° boom arm and Kevlar-reinforced cord ensure exceptional durability in high-use environments.
PeakStop hearing protection technology removes potentially harmful loud sounds above 118dB before they reach your ears, keeping audio within safe levels. This headset is ideal for contact center agents, customer service representatives, and professionals who spend extended hours on calls and need reliable, comfortable audio equipment.
Built for all-day comfort, the Biz 2400 II is up to 40% lighter than competing headsets, featuring super-soft leatherette ear cushions and headband padding. The Quick Disconnect (QD) connector enables instant connectivity to a wide range of desk phone systems when paired with the appropriate QD cable or adapter. The unbreakable FreeSpin 360° boom arm and Kevlar-reinforced cord ensure exceptional durability in high-use environments.
PeakStop hearing protection technology removes potentially harmful loud sounds above 118dB before they reach your ears, keeping audio within safe levels. This headset is ideal for contact center agents, customer service representatives, and professionals who spend extended hours on calls and need reliable, comfortable audio equipment.
Benefits
Be heard clearly in the busiest environments. The UNC microphone eliminates background noise so customers hear only your voice, improving call quality and customer satisfaction.
Key Specs
- • Ultra Noise-Canceling (UNC) technology
- • Air Shock design reduces breathing and popping sounds
- • Microphone bandwidth: 100Hz - 8000Hz
Benefits
Experience crystal-clear conversations and enjoy music during breaks. Enhanced 30mm speakers deliver wideband audio quality for both voice calls and multimedia.
Key Specs
- • 30mm Dynamic PureSound speakers
- • Speaker frequency: 100Hz - 6500Hz (wideband)
- • 20mW maximum input power
Benefits
Work through extended shifts without fatigue. Ultra-lightweight design with premium cushioning keeps you comfortable and focused on customer conversations.
Key Specs
- • Stereo headset weight: 77g (without cord)
- • Leatherette ear cushions and headband padding
- • Low headband pressure design
Benefits
Position the microphone exactly where you need it. The boom arm rotates a full 360 degrees with zero risk of breaking, even in demanding contact center environments.
Key Specs
- • 360° rotating boom arm (FreeSpin)
- • Kevlar-reinforced cord
- • Built for high-volume contact centers
Benefits
Protect your hearing during long shifts. PeakStop technology instantly removes sudden loud sounds and tones before they reach your ears.
Key Specs
- • PeakStop filters sounds above 118dB
- • Acoustic shock protection
- • Safe listening levels maintained
Benefits
Connect to virtually any desk phone system. The QD connector enables instant connectivity and hot-swapping between devices with the appropriate adapter cable.
Key Specs
- • Quick Disconnect (QD) connector
- • Compatible with Jabra Link adapters
- • Works with all major desk phone systems
Who Should Use This Product?
Contact Center Agents
Ideal for high-volume call environments where background noise elimination, all-day comfort, and durability are essential for maintaining customer satisfaction and agent productivity.
Customer Service Representatives
Perfect for professionals who spend extended hours on calls and need clear audio quality to understand customers and be heard clearly in busy office environments.
Help Desk & Technical Support
Built for IT support teams and help desk staff who require reliable, comfortable headsets for troubleshooting calls that may extend for long periods.
Why Choose This Product
The Jabra Biz 2400 II Duo UNC transforms contact center communications with Ultra Noise-Canceling technology that ensures customers hear only your voice, not the busy environment around you. The stereo design with HD Voice speakers delivers crystal-clear audio quality on both ends of the call, enabling faster call resolution and improved customer satisfaction. At 40% lighter than competing headsets, agents can work through extended shifts without fatigue.
For IT departments and contact center managers, the Biz 2400 II delivers exceptional durability with its Kevlar-reinforced cord and unbreakable FreeSpin boom arm, reducing replacement costs and downtime. The 3-year warranty provides peace of mind for enterprise deployments. PeakStop hearing protection ensures compliance with workplace safety standards while protecting agent hearing during unexpected loud sounds.
For IT departments and contact center managers, the Biz 2400 II delivers exceptional durability with its Kevlar-reinforced cord and unbreakable FreeSpin boom arm, reducing replacement costs and downtime. The 3-year warranty provides peace of mind for enterprise deployments. PeakStop hearing protection ensures compliance with workplace safety standards while protecting agent hearing during unexpected loud sounds.
Will This Work for Me?
Works With
- • All major desk phone systems via QD adapter cables
- • PC/Mac softphones via Jabra Link USB adapters (Link 260, 265, 280)
Requirements
- • QD connection cable or adapter for desk phone connectivity (sold separately)
- • Jabra Link adapter for PC/softphone use (Link 180, 230, 260, 260 MS, 265, or 280)
Software
- • Jabra Direct / Jabra Xpress (optional, for device configuration and management)
Note
This is the Ultra Noise-Canceling (UNC) variant for extremely noisy environments. For standard noise cancellation, see NC variant (2409-820-205).
What's in the Box
- Headset
- QD cable
Technical Specifications
Primary Attributes
Active Noise Cancellation (ANC):
No
Connectivity:
Quick Disconnect (QD)
Corded / Wireless:
Corded
Headset Speakers:
Stereo (Two Ear)
Warranty:
36 months
Wearing Style:
Over the Head
Wideband Audio:
Yes
Audio
Active Noise Cancellation (ANC):
No
Headset Speakers:
Stereo (Two Ear)
Wideband Audio:
Yes
Acoustic Shock Protection:
Yes
Hearing Protection:
PeakStop
Speaker Bandwidth (Music):
150Hz - 6800Hz
Speaker Bandwidth (Talking):
150Hz - 6800Hz
Speaker Size:
30 mm
Connectivity
Corded / Wireless:
Corded
Connectivity:
Quick Disconnect (QD)
General
Warranty:
36 months
Microphone
Microphone Frequency Range:
100Hz - 8000Hz
Microphone Noise Reduction:
Ultra noise-canceling
Microphone Type:
Uni-directional
Physical Traits
Wearing Style:
Over the Head
Cable Length:
3 ft
Ear Cushion Material:
Leatherette
Ear Cushion Replaceable:
Yes
Item Weight:
77 g
Software
Companion App:
Jabra Direct, Jabra Xpress
Biz 2400 II Models (8)
View Jabra Biz 2400 II Mono 3-in-1 Headset | QD | UNC – 2406-720-209
Quick Disconnect (QD)
BIZ 2400 II Mono 3-in-1 UNC
SKU: 2406-720-209
Condition: New
Stock: 30
Quick Disconnect (QD)
$184.37
$316.00
Save $131.63
(42% off)
View Jabra Biz 2400 II Mono Headset | QD | NC – 2403-820-205
Quick Disconnect (QD)
BIZ 2400 II QD Mono NC
SKU: 2403-820-205
Condition: New
Stock: 250+
Quick Disconnect (QD)
$166.28
$285.00
Save $118.72
(42% off)
View Jabra Biz 2400 II Duo Headset | QD | NC – 2409-820-205
Quick Disconnect (QD)
BIZ 2400 II QD Duo NC
SKU: 2409-820-205
Condition: New
Stock: 250+
Quick Disconnect (QD)
$184.37
$316.00
Save $131.63
(42% off)
View Jabra Biz 2400 II Duo Headset | QD | NC | Wideband – 2489-820-209
Quick Disconnect (QD)
BIZ 2400 II Duo NC WB
SKU: 2489-820-209
Condition: New
Stock: 56
Quick Disconnect (QD)
$184.37
$316.00
Save $131.63
(42% off)
View Jabra Biz 2400 II Duo Headset | QD | NC | Wideband | Balanced – 2489-825-209
Quick Disconnect (QD)
BIZ 2400 II Duo NC WB Balanced
SKU: 2489-825-209
Condition: New
Stock: 35
Quick Disconnect (QD)
$184.37
$316.00
Save $131.63
(42% off)
View Jabra Biz 2400 II Mono 3-in-1 Headset | QD | NC | Wideband | Balanced – 2486-825-209
Quick Disconnect (QD)
BIZ 2400 II Mono 3-in-1 NC WB Balanced
SKU: 2486-825-209
Condition: New
Out of Stock
Quick Disconnect (QD)
$175.62
$301.00
Save $125.38
(42% off)
View Jabra Biz 2400 II Mono 3-in-1 Headset | QD | NC | Wideband – 2486-820-209
Quick Disconnect (QD)
BIZ 2400 II Mono 3-in-1 NC WB
SKU: 2486-820-209
Condition: New
Stock: 10
Quick Disconnect (QD)
$175.62
$301.00
Save $125.38
(42% off)
View Jabra Biz 2400 II Mono 3-in-1 Headset | QD | NC – 2406-820-205
Quick Disconnect (QD)
BIZ 2400 II Mono 3-in-1 NC
SKU: 2406-820-205
Condition: New
Stock: 153
Quick Disconnect (QD)
$175.62
$301.00
Save $125.38
(42% off)