Jabra Biz 2400 II Duo Headset | QD | NC | Wideband | Balanced – 2489-825-209
Stereo corded headset · QD · balanced · Unify optimized
Certified Women-Owned
- Wideband Balanced Audio · OpenStage Optimized
- Noise-Canceling Mic · Air Shock Technology
- FreeSpin 360° Boom · Unbreakable Design
- Ultra-Lightweight · 77g Comfort
- PeakStop · Hearing Protection
- Kevlar-Reinforced · Built to Last
Will this work for me?
View Requirements
Stereo corded headset · QD · balanced · Unify optimized
Certified Women-Owned
- Wideband Balanced Audio · OpenStage Optimized
- Noise-Canceling Mic · Air Shock Technology
- FreeSpin 360° Boom · Unbreakable Design
- Ultra-Lightweight · 77g Comfort
- PeakStop · Hearing Protection
- Kevlar-Reinforced · Built to Last
Will this work for me?
View RequirementsProduct Overview
Built for durability in high-volume call environments, the Biz 2400 II features Jabra's exclusive FreeSpin 360-degree rotating boom arm that won't break under daily use, Kevlar-reinforced cords for maximum longevity, and gold-plated contacts for reliable signal transmission. At just 77 grams, this headset is 40% lighter than competing models, reducing agent fatigue during extended call sessions.
The Quick Disconnect (QD) connector provides instant connectivity to desk phones when paired with the appropriate bottom cable (8800-01-89 for OpenStage, sold separately). PeakStop hearing protection filters sounds above 118dB before they reach your ears, ensuring safe listening levels throughout the workday. Leatherette ear cushions and padded headband deliver all-day comfort for professionals who spend hours on calls.
Specifically engineered for Unify OpenStage telephone systems with balanced audio output that delivers HD voice quality for crystal-clear conversations.
- • Wideband frequency: 150Hz - 6800Hz
- • Balanced audio for Unify/Siemens OpenStage phones
- • 30mm Dynamic PureSound speakers
Advanced microphone technology eliminates background noise and filters out breathing sounds, ensuring customers hear only your voice in busy environments.
- • Noise-canceling unidirectional microphone
- • Air Shock foam reduces breath pops
- • Microphone bandwidth: 100Hz - 8000Hz
Industry-exclusive boom arm rotates a full 360 degrees without risk of breaking, allowing agents to position the microphone exactly where needed.
- • 360-degree FreeSpin rotation
- • Bendable microphone arm
- • Surgical steel construction
At 40% lighter than competing headsets, the Biz 2400 II reduces fatigue during extended call sessions with premium leatherette cushions and padded headband.
- • Headset weight: 77g (2.72oz)
- • Leatherette ear cushions included
- • Padded adjustable headband
Protects your hearing by instantly filtering out sudden loud sounds and tones before they reach your ears, keeping audio at safe levels.
- • PeakStop filters sounds above 118dB
- • Noise at Work compliant
- • G616 compliant
Enterprise-grade durability with reinforced cords and gold-plated contacts designed to withstand the demanding contact center environment.
- • Kevlar-reinforced cord
- • Gold-plated QD contacts
- • 100cm cord length
Who Should Use This Product?
Contact Center Agents
Ideal for high-volume call environments requiring all-day comfort, superior noise cancellation, and durable construction that withstands intensive daily use.
Unify OpenStage Users
Specifically optimized with balanced wideband audio for organizations using Unify (Siemens) OpenStage telephone systems.
Customer Service Professionals
Perfect for professionals who spend extended hours on calls and need crystal-clear audio quality with hearing protection features.
Why Choose This Product
For IT managers and procurement teams, the Biz 2400 II represents a smart investment with its Kevlar-reinforced cords, unbreakable FreeSpin boom arm, and gold-plated contacts that extend product lifespan and reduce replacement costs. PeakStop hearing protection helps organizations meet workplace safety requirements while protecting employee hearing. The Quick Disconnect system enables easy sharing between shifts and seamless integration with existing Unify OpenStage infrastructure.
Will This Work for Me?
Works With
- • Unify (Siemens) OpenStage telephone systems
- • Desk phones with QD-compatible bottom cables
- • PC/Mac via Jabra Link adapters (180, 230, 260, 265, 280)
Requirements
- • QD bottom cable 8800-01-89 for OpenStage (sold separately)
- • Compatible desk phone with headset port or Jabra Link adapter for PC
Software
- • Jabra Direct (optional, for firmware updates when used with USB adapter)
Note
This is the Balanced Wideband variant optimized for Unify OpenStage phones. For standard wideband, see 2489-820-209. Requires separate QD bottom cable for complete solution.
What's in the Box
- Headset with headband
- Leatherette ear cushions
- Carry pouch
- Quick start guide