Check the listing for details. Kuryakyn Road Thunder Plus Sound Bar Satin Silver. Condition: New. Listed at 599.99 USD. The Kuryakyn RoadThunder Sound Bar Plus by MTX revolutionizes handlebar-mounted audio with 300 watts of peak power and exceptional versatility. Engineered for those who demand high-quality sound on the road, this sound bar features an internal four-channel amplifier that drives two 2" x 3" full-range speakers with dual voice coils, delivering a robust audio experience. Equipped with four high-frequency, 1" silk dome tweeters, the RoadThunder Sound Bar Plus produces powerful, distortion-free sound at any volume level, ensuring that every ride is accompanied by clear, vibrant music. The durable, 1P66-rated housing provides weather resistance, allowing for reliable performance in various conditions, while the built-in heat sink and self-protection.