Poly Product Update: DA70 & DA80 End of Life (EoL) Notice. Plantronics DA70 and DA80 End of Life (EoL) Notice. Poly (formerly Plantronics) has announced that the DA70 & DA80 are going end of life. The last order date will be March 31, 2022 or while supplies last. For replacement products, see info below. Discontinued: Plantronics DA70 USB Audio Processor Discontinued: Plantronics DA80 USB Audio Processor Replacement: Poly DA75 & Poly DA85 Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website