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Jabra Biz 2400 II Duo QD Connector

Jabra Biz 2400 II is a new and improved version of the Jabra Biz 2400, which is one of our most popular professional headsets. Jabra BIZ 2400 II is a corded professional headset that delivers outstanding sound at both ends of the call. 40% lighter than competing headsets, with super-soft leatherette headband and ear cushions. Built to last with a Kevlar-reinforced cord and unbreakable boom arm.

  • Ultra noise-cancelling microphone eliminates background noise
  • Crystal clear HD Voice and hi-fi sound for music and talk
  • Unbreakable boom-arm for unmatched durability
  • 40% lighter than competing headsets

We’ve refined and improved the Biz series headsets to not only keep ahead of a changing industry, but to define it. The Jabra Biz 2400 II is our best contact centre headset yet.


Better conversation

The most important factor in a contact centre headset is eliminating background noise from the busy environment and letting the customer hear your voice clearly.

The ultra noise-cancelling microphone provides the highest degree of background noise elimination in any of our headsets.


Better sound

If you’re in a busy environment, you need great sound to hear the voice of your customer. Additionally, sometimes you’re concentrating on work and want hi-fi sound for music. The Jabra Biz 2400 II is great at both.

  • HD Voice technology makes sure you clearly understand the other party
  • The speakers reduce ambient noise, so you can focus on the call
  • Specially designed “Air Shock” noise-cancelling mic filters out sharp breathing sounds and popping noises often heard in conversations.

Better build

Jabra Biz 2400 II is built to last in a high-performing contact centre, meaning fewer headset replacements and less downtime for you and your team and lower total cost of ownership.

  • Kevlar®-reinforced cord is built to withstand the contact centre environment and protects against office chair wheels, sharp objects and daily use
  • The boom-arm can be rotated 360 degrees with zero risk of breaking. We call this FreeSpin™

Better comfort

The Jabra Biz 2400 II has an extremely lightweight and unobtrusive design. This means lowered agent fatigue and more productive calls.

  • 40% lighter than competing high-end headsets
  • Adjustable headband and microphone boom-arm lets you find the perfect fit
  • Control unit lets you change volume, mute your calls and more
  • PeakStop™ technology removes sudden loud sounds or tones before they reach your ears: Any sound above 118 dB is filtered out before it reaches the agent.
  • Super-soft leatherette head and ear cushioning

Jabra QD Connector 




PeakStop™ instantly removes any harmful loud sounds before they even reach your ears. This keeps the sound level in the safe range and protects your hearing.

HD Voice / Wideband Audio

HD Voice lets you have lifelike, vibrant conversations. You will not have to struggle to hear what the other person is saying.

Reinforced cord

Cords are built to last. They are extremely durable and will take most daily punishments.

Noise-cancelling Microphone

Noise-cancelling microphones reduce unwanted background noise and are ideal in crowded and noisy open working environments.

Talk in Comfort

Find the perfect fit with a range of light, ergonomically designed frames, soft ear cushions, adjustable headbands and microphone boom. Your headset will be comfortable all day long.


You can rotate the boom-arm 360 degrees without the risk of breaking it. Find the microphone placement that works for you.

Multi-device Connectivity

Manage all your calls from one headset for your desk phone, softphone, smartphone and tablet

Air Shock Microphone

Having the mic close to your mouth can cause unwanted breathing noises. To reduce this, we have designed the mic with many small holes and placed a layer of foam on the inside. This prevents most air shocks and improves call quality.
Sound Mode: Stereo 
Brand Name: Jabra 
Connectivity Technology: Wired 
Earpiece Design: Over-the-head 
Earpiece Type: Binaural 
Features: Comfortable 
Form Factor: Supra-aural 
Host Interface: Quick Disconnect 
Microphone Design: Boom 
Noise Canceling: Yes 
Product Family: BIZ 2400 II 
Product Type: Headset 
Sound Mode: Stereo 
Built-in Devices
Sound Mode: Stereo 
Earpiece Design: Over-the-head 
Earpiece Type: Binaural 
General Information
Brand Name: Jabra 
Manufacturer Part Number: 2409-820-205 
Manufacturer Website Address:
Manufacturer: GN Netcom A/S 
Product Line: BIZ 
Product Name: BIZ 2400 II Headset 
Product Series: 2400 II 
Product Type: Headset 
Host Interface: Quick Disconnect 
Media & Performance
Connectivity Technology: Wired 
Microphone Design: Boom 
Features: Comfortable 
Form Factor: Supra-aural 
Network & Communication
Connectivity Technology: Wired 
Physical Characteristics
Form Factor: Supra-aural 
Product Information
Features: Comfortable 
Form Factor: Supra-aural 
Features: Comfortable 
Technical Information
Connectivity Technology: Wired 
Features: Comfortable 
Host Interface: Quick Disconnect 
Noise Canceling: Yes 
Sound Mode: Stereo 
Limited Warranty: 3 Year 
Wireless Specifications
Features: Comfortable 
SKU 2409-820-205
Barcode # 706487000020
Brand Jabra
Shipping Weight 1.5000kg
Shipping Width 0.140m
Shipping Height 0.230m
Shipping Length 0.110m
Shipping Cubic 0.003542000m3
Manufacturer Warranty
3 Years Manufacturer Warranty

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JABRA BIZ 2400 II Duo BIZ 2400-2425 QD Corded Headset with noise-cancellation

Model# 2409-820-205

  • SKU: 2409-820-205

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