Powerful speakers for powersports vehicles Kicker developed their PS Series speakers with powersports enthusiasts in mind, so they're lightweight, durable, and ideal for most motorcycles, ATVs, and marine applications. With rugged components and weather-resistant materials, these 2-ohm speakers (a 4-ohm version is also available) will last a long, long time, no matter where you use them. And your battery will last a long time too, thanks to a high-efficiency design that allows maximum volume with less current draw on your system. 3/4" titanium dome tweeter Kicker suspends the 3/4" titanium dome tweeter above the woofer, allowing the polypropylene cone to move freely for more bass. The low-impedance design of these speakers allows them to deliver more output, so you get more performance from your radio or amplifier. Low weight, high performance Each speakerfeatures a motor structure built around a powerful, yet extremely light, neodymium magnet, so they weigh in at less than 16 ounces per speaker - incredibly light for speakers with this kind of performance. Their versatility makes them perfect for all sorts of powersports applications.