The JamCube 1 100W Stereo All-In-One Mini PA/Entertainment System from VocoPro is built around a 4-channel mixer that can accommodate both microphones & instruments. This lightweight and multi-featured system has an adjustable shoulder strap for easy transport. Its built-in media player plays all kinds of discs including CD, MP3, DVD, CDG, and photo CD. If you prefer to tote your media on a portable storage device, the onboard USB port and SD card slot can access your files. It is ideal for program directors, traveling pastors & aerobic instructors. THIS UNIT HAS BEEN FULLY TESTED AND IS IN GREAT CONDITION. Features4 x 1/4 Microphone/Instrument inputs for maximum diversityBuilt-in multi-format player & USB Port/SD card readerSupports DVD, CD, CD+G, MP3 & Photo CD. VocoPro JAMCUBE Powered Speaker. Features 4 x 1/4 Microphone/Instrument inputs for maximum diversity Built-in multi-format player & USB Port/SD card reader Supports DVD, CD, CD+G, MP3 & Photo CD formats Digital Key Control for changing the key of any disc & USB port/SD card played in the multi-format player. 4 x 1/4 Microphone/Instrument inputs for maximum diversity. Built-in multi-format player & USB Port/SD card reader. Supports DVD, CD, CD+G, MP3 & Photo CD formats. Digital Key Control for changing the key of any disc & USB port/SD card played in the multi-format player. We stand by the products we sell, and we’ll certainly stand by you as well! Sam Ash is not responsible for any damage caused by not adhering to the voltage requirements. We strongly suggest that you check your order after receiving it to be sure that it is in proper working order. Resalable Condition means that the product(s) is exactly in the same condition as you received it. Please call our Customer Service department if you have any questions about returning an item.