BIZ 2425 - Headphones JABRA - Free user manual and instructions
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| Brand | Jabra |
| Model | BIZ 2425 |
| Product Type | Headset |
| Form Factor | Single-ear headset |
| Microphone | Noise-canceling boom microphone |
| Connectivity | Corded with quick disconnect (QD) or RJ-9 connector |
| Speaker Technology | Wideband audio for clear voice |
| Headband | Adjustable padded headband |
| Dimensions | Approx. 150 x 150 x 45 mm (earpiece included) |
| Weight | Approx. 60 g (without cord) |
| Cable Length | 1.0 m straight cord, compatible with quick disconnect |
| Controls | Inline volume control and microphone mute switch |
| Power Supply | Powered directly from the host device (phone/PC) |
| Main Functions | Hands-free telephony, crystal-clear communication, noise reduction |
| Care and Cleaning | Wipe with a soft, dry cloth; avoid liquids and harsh chemicals |
| Safety | Use at moderate volume levels to prevent hearing damage |
| Spare Parts | Replacement ear cushions, headband padding, and microphone cover available |
| Repairability | User-replaceable ear cushions and headband padding |
| Environmental | RoHS compliant, recyclable packaging |
| General Information | Professional office headset compatible with desk phones and softphones |
Frequently Asked Questions - BIZ 2425 JABRA
How do I connect the Jabra BIZ 2425 to my desk phone?
Depending on the version, connect the headset directly to the phone's headset port using the included RJ-9 connector, or use the quick disconnect adapter that fits that same port. If you have a newer phone, ensure the port matches.
Can I use this headset with my PC for softphone calls?
Yes, if your version includes a USB adapter or if your PC has a headset jack. Plug the headset into the PC and select it as the default audio device in your softphone settings (Teams, Zoom, etc.).
How do I adjust the volume on the Jabra BIZ 2425?
The headset includes an inline volume control on the cord. Slide it up to increase volume and down to decrease. Some phone systems also control volume through the softphone app.
How do I wear the headset correctly?
Adjust the headband so it sits comfortably on your head. Position the receiver over one ear and the microphone close to your mouth. The flexible microphone arm can be bent for optimal pickup.
How do I clean and maintain the headset?
Use a soft, dry cloth to wipe the ear cushions, headband, and microphone. Avoid using water, solvents, or abrasive cleaners. For deeper cleaning, remove the ear cushions and gently wash them with mild soapy water; let them air dry completely before reattaching.
The microphone is not working. What should I do?
First, check if the mute switch on the cord is active. If not, restart your phone or PC, and ensure the microphone is correctly connected. If the issue persists, the microphone cover may be clogged; gently clean it or replace the microphone cover. Also verify the connector is fully inserted.
Can I replace the ear cushions?
Yes, the ear cushions are replaceable. Gently detach the old cushion from the speaker housing and snap a new one into place. Replacement cushions are available from Jabra or authorized resellers.
Is the headset compatible with smartphones?
The Jabra BIZ 2425 is primarily designed for desk phones and softphones. To use it with a smartphone, you need an appropriate adapter (such as a USB-C to headphone jack or a Bluetooth adapter) if your version lacks direct compatibility. Check your headset's connector type.
Does it have noise cancellation?
Yes, the microphone is noise-canceling, which reduces background noise for the person on the other end. The speaker is not actively noise-canceling, but the ear cushion provides some passive ambient noise reduction.
How long is the cable?
The standard cable length is 1.0 meter. If you need more length, use an extension cord or check if your headset supports a longer coiled replacement cable, which may be sold separately.
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USER MANUAL BIZ 2425 JABRA
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Product information
Brand : JABRA
Model : BIZ 2425
Category : Headphones