Elevate your communication system with Upgrade Kit 66037-01 from VDO Communications. This all-in-one upgrade bundle provides everything you need to modernize your existing headset setup for improved audio clarity and longer-lasting performance. Designed with robust components, the kit ensures a seamless transition while delivering optimized sound quality in busy call center or office environments. Whether you’re looking to refresh an aging system or enhance daily operations, Upgrade Kit 66037-01 offers a dependable, cost-effective solution.
Earpiece, portable, 6 sizes, MS50
Poly HW540 Leatherette Cushion (Large) (Poly 88832-01 or HP 85R21AA)
Poly CS540 (Convertible) (Poly 84693-01 or HP 7W073AA)
Plantronics Savi Online Indicator Straight Plug (Poly 80287-01 or HP 85R52AA)
Plantronics CS540 (Convertible) Bundle (Poly 84693-11 or HP 80R99AA)
Charging Base for WH100 | WH110 83768-01
Boom Care MEZZO BM01-0020W
Plantronics Savi W445-M Convertible, Unlimited talk time (Microsoft) 203949-01
Ceiling mount BM04-0019
Poly EncorePro HW520V (Poly 89436-01 or HP 783P8AA)
Remote control IR BM04-0020
Poly EncorePro HW720 Over-the-head, noise-cancelling (Binaural) headset +carry case (Poly 78714-101 or HP 805H6AA) 


