Uniden MS-200 CB Extension Speaker Slimline with built-in noise filter. A slimline 5W extension speaker for use where only a small mounting space is available. Comes with flush mounting bracket and lead fitted with a 3.5mm plug to suit the MC2800, UM425 VHF, UM423 AM, UH012SX, UH015SX, UH400SX, UH400SX-RM, UH500SX, UH500SX-RM, PRO530XL, PRO630XL, UBCD996T and UBCT9.