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  1. About Us
  2. Contact Us
  3. Find an Installer
  4. Sell Us Your Equipment
  5. Questions?  Call 800-929-8061 or 248-288-7000
Accessories

Audio and Video Conferencing

Avaya Aura

Avaya Definity

Avaya IP Office

Avaya Merlin

Avaya Partner

Barcode Scanners & POS Printers

Cisco

Digium

Fortinet SD WAN

Grandstream

Headset Solutions

IP Phones By Hosted Service

Mitel and NEC

Nortel

Paging Solutions and Door Phones

Polycom (Poly)

Repair Service & Technical Support

ShoreTel

Single Line Phones

Ugly Boxes

Yealink



Plantronics DA Series USB Adapters to Connect to PCs and Softphones

Plantronics DA70 USB Audio Processor (201851-01)
Plantronics DA80 USB Audio Processor (201852-01)
Plantronics DA90 USB Audio Processor (201853-01)

Plantronics DA70 USB Audio Processor (201851-01)

$38.95

Plantronics DA80 USB Audio Processor (201852-01)

$21.95

Plantronics DA90 USB Audio Processor (201853-01)

Poly DA75 Smart Digital Headset Adapter (218266-01)
Poly DA85 Smart Digital Headset Adapter (218267-01)
Poly DA85-M Smart Digital Headset Adapter for Teams (218268-01)

Poly DA75 Smart Digital Headset Adapter (218266-01)

$39.95

Poly DA85 Smart Digital Headset Adapter (218267-01)

$62.95

Poly DA85-M Smart Digital Headset Adapter for Teams (218268-01)

$69.95



Metroline, Inc.  •  2250 Meijer Drive  •  Troy, MI 48084 •  Phone: 800-929-8061 or 248-288-7000
Business Hours: Mon-Thurs 8:30 am to 6 pm, Fri 8:30 am to 5:30 pm EST
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© 2025 Metroline, Inc.
Metroline Inc. is an independent distributor of technology and telecommunications equipment. Metroline Inc. does not represent any manufacturer or its affiliates in any way. The company, product and service names used in this web site are for identification purposes only. All trademarks and registered trademarks are the property of their respective owners.