Jabra Biz 2400 II Duo USB Headset - Optimised for Clear Contact Centre

In this review the Jabra Biz 2400 II Duo USB Headset is assessed as a purpose-built corded headset for demanding contact centre use. The bottom line: this headset is for agents and office professionals who need reliable, noise-resilient calls and long-term comfort; its single biggest reason to buy is the combination of rugged construction and clear audio that keeps calls intelligible in loud environments. The review focuses on real-world use, comfort over long shifts and the headset's built-in protections and Microsoft optimisation.

Key Features

• Optimised for Microsoft Skype for Business: Ensures simple USB connectivity and compatibility with Microsoft calling features so agents get consistent call control and presence integration.
• Intellitone: Provides voice clarity by helping tune microphone levels and reducing misdials or poor audio that can slow call resolution.
• PeakStop: Offers acoustic shock protection that reduces sudden loud noises reaching the ear, protecting agents during long shifts.
• Rugged build: The Kevlar-reinforced cord and unbreakable 360 swivelling boom aim to survive heavy daily handling in contact centre environments.
• Enhanced ear speakers: Improved ear cup speakers deliver clearer inbound audio so agents can hear customers more accurately even in noisy rooms.
• Comfort upgrades: Extra padding on the ear cushions and headband reduces fatigue during extended wear, supporting endurance across a shift.

Who It's For

The Jabra Biz 2400 II Duo USB is well suited to contact centre agents, receptionists and office users who spend many hours on calls and require a reliable, corded headset with clear inbound and outbound audio. Teams that prioritise durability and acoustic protection will appreciate the reinforced cable and PeakStop feature.

Those who need a wireless headset, ultra-light personal audio for non-phone tasks, or a low-cost casual headset for occasional calls should look elsewhere; this model is optimised for professional, high-use telephone environments rather than casual mobile use.

Pros & Cons

Pros

• Outstanding durability with Kevlar-reinforced cord and an unbreakable swivelling boom designed for heavy daily use.
• Clear audio performance from enhanced ear speakers, helping faster call resolution in noisy contact centres.
• Built-in acoustic protections such as PeakStop and Intellitone that protect hearing and improve voice clarity.

Cons

• Being a corded, USB-focused headset it lacks the mobility of wireless solutions for users who move away from their desk often.

Specifications

Brand	Jabra
Model	BIZ 2400 II Duo USB Headset
Connectivity	USB (optimised for Microsoft Skype for Business)
Key technologies	Intellitone, PeakStop, acoustic shock protection
Build	Kevlar-reinforced cord, 360 swivelling boom
Comfort	Extra padding on ear cushions and headband

Our Verdict

The Jabra Biz 2400 II Duo USB is a strong choice for contact centre environments where durability, clear audio and hearing protection matter. It delivers good comfort for long shifts and reliable USB integration with Microsoft platforms, making it a cost-effective investment for teams that need a robust, professional corded headset.

Frequently Asked Questions

Is this headset compatible with Microsoft calling software?
Yes, it is optimised for Microsoft Skype for Business and designed for consistent USB connectivity and call control.

Does it protect against sudden loud noises?
Yes, the headset includes PeakStop and acoustic shock protection to reduce sudden high-volume sounds reaching the ear.

Is this a wireless headset?
No, this is a corded USB headset intended for stationary use in contact centres and office desks.