Package: 1 Ea610UA receiver: USB/SD(TM) Card/MP3 playback Compatible with audio out from smartphones & MP3 players Aux input 50W max x 4 Switchable US/European tuner Bass, treble, balance & fader controls Built-in EQCK65 2-way speakers: Poly cone woofers & foam surrounds 250W max/180W RMS per pair Pair