With a durable, IP66-rated weather-resistant housing and packed with plenty of power, the Kuryakyn Road Thunder Sound Bar produces exceptional sound quality from the convenience of your handlebars with 150 watt peak power. An internal amp powers two 2″ x 3″ full-range speakers with a single voice coil and four high-frequency 1″ silk dome tweeters with N35 grade magnets to pump out crystal clear tunes to please the likes of any audiophile. Amplifier 2 x 19WRMS, max 2 x 23W. Includes power, ground and ignition wire for easy disconnect, as well as auxiliary input and output for connecting devices via 3.5 mm cable. Internal Bluetooth receiver allows wireless connectivity to any Bluetooth-enabled smartphone or music device. Speaker measures 10.6″ L x 2.9″ diameter, and bracket measures 6″ L x 3″ in diameter. Universal articulating mounting clamps fit virtually any bars between 7/8″ and 1-1/4″.