Heavy Duty External Speaker Loudspeaker for Car CB Radio 3.5mm Features: *This style external speaker build-in indepence circuit, has a switchable noise filter. *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. *This inexpensive speaker should work great for your basic listening purposes. *With on/off button (red) and Power on/off button. *Lightweight and portable Specifications: Color:Black Material: Plastic Plug: 3.5 mm Output:1.5W Size:13x9.5x3cm/5.12x3.74x1.18inch(approx.) Fitment： for YAESU :FT-1802M /FT-1807M/ FT-1900R /FT-1907R FT-7800R /FT-7900R/FT-8800R/FT-8900R FT-2800M/FT-2900R etc, for Kenwood :TM471A /TM271A /TK868G /TK768G etc. ICOM :IC-2200 /IC-2720H /IC-2100 /IC-2820H etc. Package Included: 1*Speaker Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. This external speaker is equipped with a built-in circuit and a switchable noise filter, effectively reducing unwanted noise during CB radio or Ham radio communications for clearer reception. Serving as an excellent choice for basic listening purposes, this cost-effective speaker provides satisfactory audio quality without significant differences in noise filtering performance during testing. Featuring an on/off button (red) and a power on/off button, this speaker offers easy and convenient control, allowing users to turn it on or off effortlessly as needed. Designed to be lightweight and portable, this external speaker is easy to carry and can be conveniently placed where desired, with a compact size of 13x5x3cm. Compatible with a range of CB radios and Ham radios, including models such as FT-1802M, FT-7800R, TM471A, TK868G, ICOM IC-2200, and more, ensuring versatile integration with different radio systems.