MPN	2309-820-105
SKU	2309-820-105
UPC	0706487014461
Audio	Technology: HD Voice / Wideband Speaker Mode: Stereo Speaker Impedance: 150 Ohm Speaker Frequency Response: 150 - 4500 Hz
Brand	Jabra
Cable	Type: Kevlar-reinforced headset cable Length: 3.5 ft (107.5 cm)
Model	BIZ 2300 QD Duo (2309-820-105)
Notes	Amplifier or adapter may be required for compatibility with certain desk phone models or to use with softphones/USB. Specifications aggregated from multiple vendor sources; values reflect reported manufacturer/retailer specifications.
Weight	2.4 oz (≈68 g)
Features	FreeSpin 360° rotating boom arm (break-proof) Kevlar-reinforced cord PeakStop (protection against sudden loud sounds) Air Shock microphone to reduce breathing/popping noises Adjustable headband Replaceable ear pads SafeTone / PeakStop audio protection features Quick Disconnect for walkaway convenience
Warranty	1-year manufacturer limited warranty
Connector	Quick Disconnect (QD)
Materials	Construction: PC/ABS (Polycarbonate / Luran mentioned) Ear Cushion Material: Foam, Leatherette
Dimensions	Depth: 7.20 in Width: 5.55 in Height: 2.64 in
Microphone	Type: Noise-cancelling unidirectional boom microphone Features: [ "Air Shock microphone (filters breathing/pops)", "Breath-resistant", "Noise cancellation" ] Sensitivity: -30 dB Mounting Type: Boom Operating Frequency Range: 100 - 10000 Hz
Description	The Jabra BIZ 2300 QD Duo is a durable, lightweight binaural corded headset engineered for contact center and desk-phone environments. It features HD Voice/wideband stereo speakers, a noise‑cancelling unidirectional boom microphone with Air Shock and PeakStop protection, a Kevlar‑reinforced cable with Quick Disconnect (QD) for easy walkaway convenience, and a 360° FreeSpin rotating boom arm. Built with PC/ABS construction and comfortable foam/leatherette ear cushions, the headset is designed for all‑day wear and reliable daily handling. An amplifier/adapter may be required for some desk phone models or for softphone/USB connectivity.
Headset Type	Corded / Deskphone (Binaural)
Product Type	Headset
Compatibility	Desk phones (wide compatibility via QD; amplifier/adapter may be required for some models) Some sources list compatibility with softphones, tablets and mobile via appropriate adapter
Earpiece Type	On-ear
Product Title	Jabra BIZ 2300 QD Duo Headset (Binaural, Quick Disconnect)
Wearing Style	Over-the-head, Headband (Dual-ear / Binaural)
Packaged Quantity	1
Number of Earpieces	Dual (Binaural)
Included Accessories	BIZ 2300 QD Duo headset Headset cable (Quick Disconnect) Quick start guide Warranty card
Connectivity Technology	Wired (Quick Disconnect - QD)
Platform / Certifications	Unified Communications Certified Microsoft Teams Certified (listed by some sources)
Certifications & Standards	CE FCC UL cUL EAC RCM KCC RoHS REACH TCO Certified Headsets

Jabra Jabra (2309-820-105) BIZ 2300 QD Duo is a supplier-matched product available from Spot IT. Use this item for compatible business, office, and IT requirements. Manufacturer part number: JB24205. Order online for Australia-wide delivery with local support.