Heavy Duty TS-650 External Speaker Fit For Yaesu Kenwood Icom CB Radio
For YAESU :FT-1802M /FT-1807M/ FT-1900R /FT-1907R. For ICOM :IC-2200 /IC-2720H /IC-2100 /IC-2820H etc. Suitable for your CB radio or Ham radio communications. In my testing, I do not hear a huge discernible difference when I active the filter.