As an Amazon Associate, we earn from qualifying purchases. Nady Systems . PMX600 Nady Systems . PMX600 Attributes Brand name, Manufacturer name, ManufacturerNady Systems CategoryL1Paging Systems CategoryL2Paging Amplifier moq, multiple, tierMinQty11 MPNPMX600 qtyInStock-2 qtySourceDefault field SKU338896 tierPrice1413.09 Distributor offers SellerSKUMOQIn stockMultiplePrices amerisponse.com3388961-211 @ $413.09