... 1.PMLN4455 Audio Adapter 2.EX500,EX600,GL2000,GP328PLUS,GP338Plus, GP344,GP388,PRO5150ELITE 3.To two pins or Visar one pin PMLN4455 Audio Adapter ... ,GP344,GP388,PRO5150ELITEAccessory Audio Adapter with 3.5mm Plug (Visar Series)This Audio Adapter allows qualified Audio Accessories with 3. ... don't hesitate to contact with us. PMLN4455 Audio Adapter for Motorola EX500,600,GL2000,GP328PLUS,GP338Plus,GP344, ...