Avaya Compatible Plantronics EncorePro 530 HW530 VoIP Noise Canceling Headset Bundle Avaya 1408, 1416, 2410, 2420, 4606, 4610, 4610SW, 4612, 4620, 4620SW, 4621, 4621SW, 4622SW, 4624, 4625SW, 4630, 4630SW, 5410, 5420, 5610, 5620, 5621, 5625, 6416D+M, 6424D+M, QE4610, 9404, 9406, 9408, 9504, 9508 Bundle of 2 items - Plantronics EncorePro 530 Headset and Avaya compatible telephone interface cable Compatible with Avaya 14xx, 24xx, 46xx 56xx, 94xx, 95xx Ultra Noise-Canceling microphone filters out background sound The lightest headset in its class with an all new over-the-ear design.