Subwoofer speaker system driven by an acoustically optimized internal power supply; delivers 30 watts RMS with 60 watts peak power; amazing sound at any volume level, filling any large room in the home or office Simple Bluetooth pairing-easily connect on the fly to a smartphone, tablet, laptop, or iPod or quick connect with a simple 3.5mm audio input cable Convenient control pod-adjust the volume, turn it on and off, or use the headphone output jack for private listening; easy-access 3.5mm aux input allows for quickly connecting a device (like a smartphone, tablet, MP3 player, or portable gaming system) to really pump up the sound; bass volume control for fine tuning the richness of the sound