About this item 5.25-inch two-way component speaker system with external crossover and 160 watts maximum power handling Woofers feature ferrite magnet and proprietary Acudamp cone coating for clean, linear response and increased bass dynamics 1-inch soft dome tweeters with EVC technology and neodymium magnet; installation kit for flush and various surface angle mounts Outboard 12 dB/octave crossover network with high-quality film capacitors and large-gauge inductors Highly efficient design enables the system to be powered by either radio or amplifier