Great Sounding Compact Communications  External Speaker!</br>Size approx. 4.5 x 2.5 x 2.25" 8 ohms.</br>Includes Mounting Bracket & Hardware.</br>Great for CB Radios?? Amateur Radios?? Two Way & Police Scanners.</br>Includes Cord with Standard 3.5mm Plug</br></br>Product Description</br></br>Compact 5w Communications External Speaker.</br><br/>http://www.amazon.com/gp/product/B007841794