4312D | 100-watt, 12” (300mm) three-way studio monitor
4312D | 100-watt, 12” (300mm) three-way studio monitor,JBL 4312D Control Monitor (used),JBL 4312D Control Monitor (used),This weekends Facebook find, JBL 4311 Control Monitors : r,JBL 4312 Series Control Monitor Speakers for sale online | eBay