Alpine SPJ-161CS Component SpeakersThe entry level Type J speaker series are an affordable way to upgrade your factory speakers or even to start building a sound system, for the excellent sound quality and performance you expect from Alpine. Built to handle all bass levels down to the lowest, their high efficiency means that you enjoy powerful bass sounds without distortion. Speaker type 6"(16CM)COMPONENT 2 WAY SPEAKER Frequency response 30 Hz 30 kHz Power handling 250 Watts peak power