KENMAX 3.5mm Jack 10W External Speaker Universal CB Speaker for Mobile Radio Car Radio FT-8100R FT-8800R FT-2600M FT-3000M FT-1802M Ft-1807M It is good for you to plug this external speaker so you can hear your radio loud and clear. Built in Noise Filter switch and MUTE (-8dB) switch. speaker dimension: 11 x 9 x 3.6 cm Speaker max power: 11w Compatible with :* FT-8000R, FT-8100R, FT-8800R, FT-8900R * FT-90R, * FT-2600M, FT-3000M, FT-2600* FT-7800R, FT-7900R * FT-1802M, FT-1807M