Enhance your audio experience with the COBRA CS300 External Accessory 4" Speaker. This black speaker is compatible with universal brands and connects with a simple plug-in. With a 3.5 mm jack, it also comes with noise-canceling features and a mounting bracket to ensure stability. Crafted with plastic material, this speaker has an RMS power of 10 W and is ideal for radio communication and consumer electronics. Elevate your audio game with this powerful and convenient accessory.