The qtx qx15pa portable pa system is a compact loudspeaker with an integrated amplifier and a media player. The qtx qx15pa offers 100 watts of continuous output and can be operated via either a mains power supply or rechargeable battery. The 15 low frequency woofer produces deep room filling bass responses while the 1 titanium compression driver delivers accurate and crystal clear mids highs. The built in media player allows you to play audio from usb storage devices and sd cards or wirelessly stream music from bluetooth enabled smartphones tablets. The qx15pa loudspeaker comes complete with an ergonomic carry handle a retractable trolley handle and rear wheels which ensure convenient transport the unit.