Vertex/Standard MH-44A4B, Speaker Microphone for VXA-150 & VXA-210 Quantity in Basket: None Code: MH44A4B Price: $57.80 Shipping Weight: 3.00 pounds Suggested List: $68.00 Quantity: Vertex/Standard MH-44A4B, Speaker Microphone. Fits VXA-150 and VXA-210.