Philmore mini Amp PA305 is built to deliver powerful music sound. Great for boosting the signal from a CD player, MP3 or Ipod or any line-level signal device. Simply connect your stereo source to audio input jack (3.5mm stereo jack) on the back of PA305 or use auxiliary RCA jacks. It has two channel outputs, easy to connect push button speaker terminals. Don't let the small size of this little power house fool you. Delivers 10 watts per channel into 8 ohm speakers. Separate Bass/Treble controls. Operated on 15V DC, wall power supply included