Jabra Consumer Products
Jabra Biz 2400 II QD Duo UNC Wired Headset
Dual-ear wired headset with ultra noise-cancelling microphone, Kevlar-reinforced cord and Quick Disconnect plug for desk phones and UC systems
- ConnectorQuick Disconnect
- Ear CouplingCircumaural
- Cord Length3.0 ft. - 5.0 ft.
- Headphone Frequency Response80 Hz – 16,000 Hz
- Weight1.56 LB
- Driver Unit30mm
- Dual-ear design keeps focus in noisy spaces
- Ultra noise-cancelling mic filters background sound for clear calls
- Kevlar-reinforced cord with 360° Free Spin boom arm resists daily wear
- Wideband audio delivers natural voice quality
- Lightweight 70 g build reduces fatigue during long shifts
Professional dual-ear headset for call centres
The Jabra Biz 2400 II QD Duo UNC is a wired headset built for high-volume contact centres and office professionals who need clear, reliable communication all day. Its circumaural, dual-ear design covers both ears to help users focus in noisy open-plan environments. The ultra noise-cancelling boom microphone filters background sound so only the speaker's voice is transmitted.
Quick-disconnect cord fits existing desk phones
A Quick Disconnect plug lets the headset detach instantly from the coiled cord, which stretches from 3.0 ft to 5.0 ft, so users can step away without removing the headset. The Kevlar-reinforced cable resists daily wear, while the 360° Free Spin boom arm positions the mic on either side without cable strain. No internal battery is required; power and audio travel through the QD connection to the host device.
Suited for all-day desk phone or softphone users
Agents who spend hours on calls will appreciate the lightweight 70 g frame and wideband audio clarity. Buyers needing wireless freedom, Bluetooth pairing or a single-ear wearing style should consider other models, as this unit is wired-only and fixed in a dual-ear configuration.
Highlights
- Dual-ear design keeps focus in noisy spaces
- Ultra noise-cancelling mic filters background sound for clear calls
- Kevlar-reinforced cord with 360° Free Spin boom arm resists daily wear
- Wideband audio delivers natural voice quality
- Lightweight 70 g build reduces fatigue during long shifts
Specifications
| Brand | Jabra |
|---|---|
| Series | Biz 2400 II QD |
| Model | Biz 2400 II QD |
| Part Number | 240982-265-119 |
| Connector | Quick Disconnect |
| Ear Coupling | Circumaural |
| Cord Length | 3.0 ft. - 5.0 ft. |
| Headphone Frequency Response | 80 Hz – 16,000 Hz |
| Weight | 1.56 LB |
| Driver Unit | 30mm |
| Noise Cancelling | Active |
| Wireless Type | Wired |
| Power Source | Quick Disconnect (QD) cable to desk phone / communication system — essentially a wired connection with no internal battery |
| Microphone Impedance | 150 Ω ±15% @ 1 kHz / 1.0 V |
| Microphone Frequency Response | 100 Hz – 10,000 Hz |
| Microphone Signal to Noise Ratio(SNR) | > 70 dB |
| Microphone Sensitivity | -51 dBV/Pa ±3 dB |
| Features | Ultra-lightweight design: Reduces fatigue during long hours of use. Hi-Fi audio with clear voice quality: Engineered for exceptional clarity in professional settings. Noise-cancelling microphone: Filters out background noise so your caller hears you clearly. 360° FreeSpin boom arm: Flexible and durable mic positioning for professional use. Reinforced Kevlar-like cord: Built for high-demand environments with increased durability. PeakStop™ hearing protection: Safeguards users from sudden loud noises and ensures safe listening levels. Soft leatherette ear cushions & padded headband: En |
| Color | Black |
| Package Contents | Jabra headset |
Questions about this item
How long is the Kevlar-reinforced cord when fully extended?
The cord stretches from 3.0 ft to 5.0 ft, giving enough reach for desk movement without excess slack.
Does the 30 mm driver and 150 Ω impedance run warm during all-day calls?
The headset is passive and draws no internal power, so it stays at room temperature even after continuous use.
Which Quick Disconnect cable or adapter do I need to plug this into my desk phone?
A compatible QD-to-phone cord or USB QD adapter is required; the headset only provides the QD plug itself.
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