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Jabra Biz 2400 II QD Duo Corded Headset, Ultra Noise Cancelling (2409-720-209)

Price:

$ 241.53


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Jabra Biz 2400 II QD Duo Corded Headset, Ultra Noise Cancelling (2409-720-209)

https://arcip.com.au/web/image/product.template/16148/image_1920?unique=83f403e

Jabra Biz 2400 II QD Duo UNC (2409-720-209) corded contact centre headset for desk phones with Quick Disconnect (QD) connector. Ultra Noise Cancelling breath-resistant microphone, hybrid wideband speaker for QD up to 4.5 kHz, PeakStop 118 dBA protection. Duo headband with large leatherette ear cushions, headband padding, unbreakable 360° flexible spin boom arm, reinforced 100 cm cord, pouch included. Requires a Jabra QD cord or Link enabler. 3 year limited warranty. Genuine Jabra from ARC IP Networks, an authorised reseller.

$ 241.53 241.53 AUD $ 254.10 incl. GST

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    Authorised Australian Reseller | Australian Stock | Genuine Local Warranty

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SKU
2409-720-209
Barcode
5706991017694

Jabra Biz 2400 II QD Duo UNC at a glance

The Jabra Biz 2400 II QD Duo UNC (2409-720-209) is a corded contact centre headset for desk phones with a Quick Disconnect (QD) connector and an Ultra Noise Cancelling, breath-resistant microphone. It has a two-ear headband with large leatherette ear cushions, an unbreakable 360° flexible spin boom arm and a reinforced 100 cm cord.

ARC IP Networks is an authorised Jabra reseller in Australia. We supply the genuine Jabra Biz 2400 II QD Duo UNC with the official Jabra warranty from Australian stock.

Connects toDesk phone (QD)
Wearing styleDuo headband
MicrophoneUltra noise cancelling
ProtectionPeakStop 118 dBA

Best for

  • Loud contact centres where an ultra noise-cancelling microphone keeps calls clear
  • Agents on desk phones who need a durable headset for intensive all-day use
  • Agents who prefer a two-ear headset to block out the room

Key features

Ultra Noise Cancelling (UNC) microphone that is also breath-resistant.

Quick Disconnect (QD) connector for desk phones; optimised for leading desk phone systems.

Hybrid wideband speaker for QD (up to 4.5 kHz) with enhanced speakers in the ear cups.

Unbreakable 360° flexible spin boom arm.

Reinforced 100 cm cord built for demanding contact centre environments.

Duo headband with large leatherette ear cushions and headband padding.

PeakStop 118 dBA SPL acoustic shock protection.

Soft pouch included.

Jabra Biz 2400 II QD Duo UNC specifications

Jabra Biz 2400 II QD Duo UNC technical specifications
SpecificationValue
Audio
Speaker size2 x Ø 30 mm
Speaker max input power20 mW
Headset bandwidthHybrid wideband speaker for QD (up to 4.5 kHz)
Hearing protectionPeakStop 118 dBA SPL (RMS)
Microphone
TypeUltra noise-cancelling (UNC), uni-directional, breath-resistant
Sensitivity-28 dB V/Pa ±3 dB
Frequency range101 Hz - 8 kHz
Connectivity
ConnectionQD (Quick Disconnect)
Connects toDesk phone
Cord length100 cm
Call control unitNo
Microsoft certificationNot applicable (QD)
Fit & comfort
Wearing styleHeadband
Boom arm360° adjustable, flexible
Headband paddingYes
Ear cushionsLarge leatherette
General
Headset dimensions (W x D x H)141 x 183 x 67 mm
MaterialsPC/ABS, Luran
CertificationsCE, FCC, UL, cUL, EAC, RCM, KCC, RoHS, REACH
Operating temperature-10°C to +50°C
Warranty3 year limited
In the box
ContentsQD headset, warranty card, warning card, quick start guide, pouch

Figures from Jabra's official product specifications.

The Jabra Biz 2400 II QD Duo UNC in depth

Engineered for the clearest conversations

Biz 2400 II pairs enhanced ear-cup speakers with an Ultra Noise Cancelling, breath-resistant microphone, so agents hear customers clearly and customers hear only the agent, even in loud environments.

Best-in-class build quality

Reinforced cords and an unbreakable 360° flexible spin boom arm let Biz 2400 II stand up to the most demanding contact centres, while leatherette ear cushions and headband padding add all-day comfort.

QD for desk phones

This QD model connects to desk phones through a Jabra QD connection cable or enabler such as Jabra Link 180, 230, 260, 260 MS, 265 or Link 280, which completes the solution.

Frequently asked questions

Straight answers about the Jabra Biz 2400 II QD Duo UNC from the ARC IP Networks team. Last reviewed November 2026.

Yes. Jabra states all QD headsets need a lower QD connection cable or other enabler (Jabra Link 180, 230, 260, 260 MS, 265 or Link 280) for a complete solution.

UNC stands for Ultra Noise Cancelling, Jabra's variant name for this microphone. Biz 2400 II is also offered with standard noise-cancelling (NC) microphones.

No. The Duo is a headband model; the 3-in-1 wearing style is for Mono versions only.

No. Microsoft certification is not applicable to QD models; Jabra's Teams certification applies to the USB CC variants only.

Jabra's Biz 2400 II tech sheet lists a 3 year limited warranty.

ARC IP Networks is an authorised Jabra reseller and supplies the genuine Jabra Biz 2400 II QD Duo UNC with the official Jabra warranty from Australian stock.

Related Jabra products

Buy the Jabra Biz 2400 II QD Duo UNC in Australia

ARC IP Networks is an authorised Jabra reseller, supplying Jabra headsets, speakerphones and PanaCast video conferencing to businesses, contact centres, schools and integrators across Australia.

  • Authorised reseller: genuine Jabra products.
  • Official Jabra warranty, with local pre-sales help choosing the right model (Microsoft Teams or UC, mono or stereo, USB-A or USB-C).
  • Australian stock, delivered Australia-wide.
  • Trade and project pricing available.

Equipping a team or contact centre?

Ask ARC IP Networks for volume or project pricing on Jabra headsets and meeting-room video, or call us to check the right model for your platform.

Brand Jabra

Accurate Shipping Costs

Our online shipping calculator is designed to provide a final, accurate shipping cost based on the items in your cart and your delivery postcode. Shipping costs are calculated at checkout based on your order and delivery postcode. The final cost is calculated based on several factors which are automatically accounted for by our system, including:

  • The stock location of the item(s) across our warehouses.
  • Orders with multiple items that may require special packaging.
  • The weight and dimensions of the order (including heavy or oversized items).
  • The delivery courier servicing your specific region.

Delivery Times


 

Standard Processing


Most orders placed by 2pm AEDT are dispatched for next working day delivery. Larger orders may require 1-2 additional business days for processing. If timing is critical, please contact us to discuss expedited options (additional charges may apply).


Delivery Timeframes


Region

Processing Time

Express Delivery

Standard Delivery

VIC, NSW, SA, QLD Metro, TAS

1-2 business days

1-2 business days

2-4 business days

NT, WA, QLD Rural

1-2 business days

1-2 business days

3-5 business days

New Zealand

1-2 business days

2-3 business days

4-10 business days

Please note: Processing times may extend during peak periods such as Christmas and end of financial year.

Free Warehouse Pickup



Save on shipping costs with free pickup from our ARC IP Networks Blackburn warehouse. Simply place your order online or by phone, and collect during business hours (Monday to Friday). Please allow time for picking and packing. For urgent orders, call 1300 100 440 to confirm your order is ready.

ARC IP Networks Pickup Address: 6 George Street, Blackburn, VIC 3130


Insurance & Tracking



All ARC IP Networks shipments are fully insured and trackable. Once dispatched, you'll receive an email with your tracking number and courier website details. If your item is confirmed lost or damaged by our courier, we'll arrange a replacement in consultation with you.


International Shipping



ARC IP Networks ships to New Zealand. Please note:


  • Import duties and taxes vary by country
  • Buyers are responsible for all customs charges
  • Contact your local customs authority before ordering
  • We'll provide required documentation for smooth customs clearance
  • Buyers cover all shipping costs for returns due to refused duties/taxes


Delivery Requirements


Signature Required


All deliveries must be signed for. If you won't be home, contact our Sales Support team to arrange Authority to Leave. Important: Authority to Leave voids shipping insurance if parcels are lost or stolen.


Delivery Restrictions


We do not deliver to PO Boxes or Parcel Lockers as our couriers cannot access them. Orders sent to these addresses will be returned, incurring redelivery fees.


Shipping Issue Resolution


ARC IP Networks works closely with our shipping partners to resolve any delivery issues quickly and fairly:


  1. Confirmation: We verify expected delivery dates with our shipping partners
  2. Investigation: Issues outside normal timeframes trigger formal investigations
  3. Communication: We keep you updated throughout the resolution process
  4. Resolution: Confirmed lost items are replaced or refunded after investigation completion


Please note: Refunds for lost, missing, or delayed orders cannot be processed until shipping partner investigations are complete. This does not affect your rights under the Australian Consumer Law, and refunds or replacements will be provided where required once loss or damage is confirmed.

Warranty & Faulty Products

ARC IP Networks complies with the Australian Consumer Law (ACL).

If a product is faulty, damaged, not of acceptable quality, or does not perform as advertised, you are entitled to a repair, replacement, or refund in accordance with ACL.

Manufacturer Warranty Returns

For faults developing after 14 days within the warranty period:

  • Contact ARC IP Networks first at info@arcip.com.au or 1300 100 440
  • We will assess the issue and coordinate with manufacturers, authorised service centres, or distributors on your behalf
  • Where required, a manufacturer RMA may be arranged
  • ARC IP Networks manages the return process and next steps

Dead on Arrival (DOA)

Products that arrive faulty or damaged must be reported within 14 days of delivery.

ARC IP Networks will arrange assessment, replacement, or refund as appropriate.

Change of Mind & Non-Faulty Returns

Change-of-mind returns must be requested within 14 days of delivery. For change-of-mind returns, the product must be unused, unopened, in its original packaging, and returned with all accessories and documentation. These conditions apply only to change-of-mind returns and do not limit or exclude your rights under the Australian Consumer Law. Some products are not eligible for change-of-mind returns, including:

  • Ex-demo products
  • Clearance or markdown items
  • Special-order items
  • Products clearly marked “No Change-of-Mind Returns”

Important

This does not affect your rights under Australian Consumer Law.

If a product is faulty, not of acceptable quality, or does not meet advertised specifications, it remains eligible for return regardless of category.

Refunds & Processing Timeframes

  • Approved refunds are processed within 7 business days of receiving returned goods
  • Refunds are issued to the original payment method, unless otherwise agreed
  • Replacement or repair may be offered where appropriate
  • Store credit may be offered only with customer consent

Handling fees and non-returnable service charges may not be refundable where permitted by law.


Restocking Fees

For approved change-of-mind or non-faulty returns, a 15% restocking fee applies.

  • Any applicable restocking fee will be clearly communicated prior to return approval
  • The fee will be deducted from the refund amount
  • Restocking fees do not apply to returns made under the Australian Consumer Law, including faulty, damaged, or misrepresented goods.

Return Shipping Costs

  • Change-of-mind returns: The customer is responsible for return shipping costs.
  • Faulty or defective products: ARC IP Networks covers return shipping under Australian Consumer Law.

Non-Warranty Repairs

For issues not covered by warranty:

  • ARC IP Networks will provide a quote before proceeding
  • Customers are responsible for all shipping and service costs
  • No repairs are undertaken without customer approval

Return Methods

Returns may be made:

  • In-store at ARC IP Networks – 6 George Street, Blackburn VIC 3130
  • Or by shipment as instructed by our support team

Proof of purchase is required for all returns.

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