Minelab WM12 Wireless Audio Module For GPZ7000Minelab WM 12 Wireless Audio Module GPZ 7000 CAN ONLY SELL IN CANADA! Cut the cord without cutting corners. The Minelab WM 12 Wireless Audio Module is purpose built for the GPZ 7000, delivering low latency wireless audio so you stay locked onto every target signal no cables, no distractions, no compromises. Rugged enough for the harshest prospecting environments and lightweight enough to forget it's there, the WM 12 is the finishing touch your GPZ