Check the listing for details. Cobra HG-S500 Dynamic External CB Speaker w/ Noise/Canceling Filter & Talk-back. Color: Multicolor, Condition: New. Listed at 49.86 USD. DetailsCobra's HighGear external speakers are designed to offer an exceptional combination of unsurpassed power handling, great sound, rugged construction and stunning design. The HG S500 features: Noise Canceling Filter for clear receive audio, Variable Talk-back Control that lets you monitor your voice as you transmit, ideal for aftermarket audio devices.15 Watt power handling capability, 4-inch speaker with 5.5 oz. magnet, shock resistant construction, Metal mesh grille.Features15 Watt Power Handling CapabilityNoise CancelingTalk Back4-Inch Speaker with 5.5 oz MagnetShock-resistant constructionBlack Metal Mesh Grille180-Degree Ratcheted Swivel Mounted Bracket RADIOS RADIO ACCESSORIES ANTENNAS ELECTRONICS AUTOMOTIVE Cobra HG-S500 Dynamic External CB Speaker w/ Noise/Canceling Filter & Talk-back DetailsCobra's HighGear external speakers are designed to offer an exceptional combination of unsurpassed power handling, great sound, rugged construction and stunning design. The HG S500 features: Noise Canceling Filter for clear receive audio, Variable Talk-back Control that lets you monitor your voice as you transmit, ideal for aftermarket audio devices.15 Watt power handling capability, 4-inch speaker with 5.5 oz. magnet, shock resistant construction, Metal mesh grille.Features15 Watt Power Handling CapabilityNoise CancelingTalk Back4-Inch Speaker with 5.5 oz MagnetShock-resistant constructionBlack Metal Mesh Grille180-Degree Ratcheted Swivel Mounted Bracket Details 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 S500 features: Noise Canceling Filter for clear receive audio, Variable Talk-back Control that lets you monitor your voice as you transmit, ideal for aftermarket audio devices.15 Watt power handling capability, 4-inch speaker with 5.5 oz. magnet, shock resistant construction, Metal mesh grille. Features 15 Watt Power Handling CapabilityNoise CancelingTalk Back4-Inch Speaker with 5.5 oz MagnetShock-resistant constructionBlack Metal Mesh Grille180-Degree Ratcheted Swivel Mounted Bracket