HP HP SPS-SPEAKER ENT15-DM Prodesk 400 g2 DM , Prodesk 600 g2 DM , Elitedesk 705 g2 DM - 834944-001 $4.99 Options
HP HP Speaker assembly - Rated at 4-Ohm, 2 Watt output HP 280 g1ProDesk 405 G2 MT - 780332-001 $4.99 Options