Vertex Standard MH-81A4B Over the Head VOX Headset Quantity in Basket: None Code: MH81A4B Price: $136.00 Shipping Weight: 1.00 pounds Quantity: Vertex Standard MH-81A4B (AAH89X001) Over the Head VOX Headset For the VX-450/450IS, EVX-530 Series (7-14)