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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EPOS USB-A to USB-C Adapter

The USB-A to USB-C Adapter allows you to safely connect EPOS USB headsets and speakerphones to USB-C ports on computers and laptops and at the same time preserve the sound quality. The high-quality adapter is compact and is practical to bring along. It can easily be plugged into the USB-C Port on your laptop without further technical installations and is resistant to heavy office use. Please note that the adapter works optimally with computers and laptops. Some tablet PCs and smartphones might not be supported. (formerly Sennheiser) Learn More
Excl. Tax: £10.00 Incl. Tax: £12.00
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EPOS USB-ED 01 cable

The USB-ED 01 is a EPOS sound card cable which allows you to connect a Sennheiser Easy Disconnect headset to a PC. The cable contains a standard mono sound card and it works with any wired Easy Disconnect headset from EPOS and with any PC via the USB connection. The USB-ED 01 ensures easy connectivity when using softphones for managing calls
(formerly Sennheiser) Learn More
Excl. Tax: £28.00 Incl. Tax: £33.60
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Jabra LINK Extension cord USB-C to USB-C

Extension cord for Jabra corded headsets. USB-C to USB-C connection. Cord length 120 cm. Learn More
Excl. Tax: £22.00 Incl. Tax: £26.40
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Jabra LINK Extension cord USB-C to USB-A

Extension cord for Jabra corded headsets. USB-C to USB-A connection. Cord length 120 cm. Learn More
Excl. Tax: £22.00 Incl. Tax: £26.40
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Poly USB-C to USB-A adapter

Ideal for converting Poly headsets from USB-Type C to USB-Type A. Learn More
Excl. Tax: £14.00 Incl. Tax: £16.80
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PO420 Plug

The PO420 plug is a miniature 4 way BT plug used in conjunction with various telephone handsets and headsets throughout hospitals and government departments. The 420 plugs are supplied with black covers. Product No: PO420 Learn More
Excl. Tax: £14.50 Incl. Tax: £17.40
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PO420MOD plug

Used for connecting headsets to legacy and emergency control room phone systems. Using the PO420MOD plug means the standard cable that comes with the headset can be used and therefore reduces costs. Product No: PO420MOD Learn More
Excl. Tax: £24.50 Incl. Tax: £29.40
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Jabra PJ327 2-PRONG conversion Plug

Jabra PJ327 dual prong adapter plug: Product No: 0220-649 Learn More
Excl. Tax: £18.00 Incl. Tax: £21.60
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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.