Professional grade technology meets durability and convenience in Technical Pro"s WASP300D Portable PA System. This system is versatile enough to function as a stationary PA system, yet travels easily to give you an instant sound system for any venue.The WASP300D is loaded with an amazing array of features. First and foremost is the rechargeable battery, which means that you get a self- powered system that can be placed anywhere at your gig. The battery is built in, so there"s no need to tote along a battery pack or shell out money for extra packs! The unit can also be powered by connecting it to an AC outlet.Multi- tasking will a breeze with the 1/4" microphone input, along with the USB Flash Drive, SD Card, Aux (1/8") inputs so that you can connect additional sound sources such as a CD player or DVD audio player.The USB Flash Drive and SD Card inputs accept drives of up to 32GB max and the 1/8" input is perfect for plugging in your iPod and blasting out .mp3 tracks. This gives you smooth, effortless transition as you go from talking to your audience to playing music. Maneuvering from track to track is also easy with the Play/ Pause, Previous and Next Track buttons for the USB Flash Drive and SD Card inputs. You can be sure that all your audio will translate properly to your audience thanks to the 6" woofer, 1" voice coil and microphone echo control.The WASP300D is built to last with a solid, durable design yet light enough not to drag you dow