Adapter Plugs

Adapter plugs for a range of uses. USB-A to USB-C adapters. Adapters that can convert your wired, quick disconnect desk phone headset into a USB headset for PC, you can even opt for call control.

Unsure which adapter you should choose? call us on 020 8145 4405

EPOS 3.5mm to 2.5mm Adapter

The 3.5mm to 2.5mm Adapter cable is ideal for all users of EPOS Speakerphone Series SP 20 and SP 20 ML, in combination with many wireless DECT handsets.

Product No: 506488
(formerly Sennheiser) Learn More
Excl. Tax: £9.50 Incl. Tax: £11.40
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Duplex USB Telephone Handset Adapter

Save yourself some pennies, instead of buying new usb headsets you can use this usb interface cable with your standard wired headsets. Allows a standard telephone handset to be used for phone calls via a PC. Provides a 4P4C socket suitable for connection with a coiled lead and standard handpiece. Built in sound card with LED indicator USB A Male connection Product No: HAUSB Learn More
Excl. Tax: £15.00 Incl. Tax: £18.00
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Duplex Poly compatible QD to USB bottom cable with integrated call control

Allows connection of a Poly QD headset to a PC via USB with the addition of an integrated call control unit. Learn More
Excl. Tax: £25.00 Incl. Tax: £30.00
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Duplex Poly compatible QD to USB bottom cable

Allows connection of a Plantronics QD headset to a PC via USB. Learn More
Excl. Tax: £18.00 Incl. Tax: £21.60
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Duplex Jabra compatible QD to USB bottom cable with integrated call control

Allows connection of a Jabra QD headset to a PC via USB with the addition of an integrated call control unit. Learn More
Excl. Tax: £25.00 Incl. Tax: £30.00
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Duplex Jabra compatible QD to USB bottom cable

Allows connection of a Jabra QD headset to a PC via USB. Learn More
Excl. Tax: £18.00 Incl. Tax: £21.60
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Duplex Inline Mute Switch

This Poly compatible QD Mute Switch allows the user to mute the microphone. Learn More
Excl. Tax: £10.50 Incl. Tax: £12.60
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Duplex Headset Mate Training Adapter

The Headset Mate makes side-by-side training easy to achieve. There are two separate mute buttons which allow either the trainer or the advisor to easily join or leave the conversation. Listen-in only or train/take over call. Compact for storage when not in use. Use with Agent, Plantronics, Jabra and Sennheiser headsets and virtually any other system or headset. Learn More
Excl. Tax: £18.00 Incl. Tax: £21.60
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Duplex GN to PX converter

Allows users to connect Jabra headsets with Poly type Quick Disconnect (QD) plugs Learn More
Excl. Tax: £8.99 Incl. Tax: £10.79
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About Duplex

Duplex Corporate Communications is a leading supplier of Telecoms products. Our product portfolio includes telephone headsets, deskphones, webcams, conference phones and bespoke manufactured products for the Telecoms industry.