Cobra HG S300 HighGear External Noise-Cancelling Speaker Cobra s HighGear external speakers are designed to offer an exceptional combination of unsurpassed power handling great sound rugged construction and stunning design. The HG S300 features: Noise Canceling Filter for clear receive audio 15 Watt power handling capability 4-inch speaker with 5.5 oz. magnet shock resistant construction Metal mesh grille. COBRA QUALITY PERFORMANCE - The HighGear external speaker is designed to offer an exceptional combination of unsurpassed power handling great sound rugged construction and stunning design making it easy to make an announcement that everyone can hear. HIGH QUALITY NOISE CANCELLING & SOUND - superior heavy duty noise cancelling external speakers featuring professionally designed coated speaker cones that can handle the power. You ll always hear your calls loud and clear with this high quality speaker. RUGGED AND STRONG DESIGN - 15 Watt power handling capability a 4-inch speaker with 5.5 oz. magnet shock resistant construction metal mesh grille makes this speaker not only perform well but its build to last. IDEAL FOR P.A. CAPABLE CB RADIOS - ideal for CB radios with public announcement capabilities to increase volume and maintain sound quality. Comes complete with mounting hardware and a ratcheted swivel bracket for 180 degrees of angle adjustment. 3.5 MM HEADPHONE JACK - Ideal for team drives with your partner. You can now allow them to enjoy silenced during a drive while you stay up to date and fully informed while connected to the speaker through headphones. Item # HG S300