Profile: Jones Design, Dave supplies DVD synchronizers, compatable DVD players and 80 channels of synchronized DVD. Our DVD play series of intelligent DVD synchronizers are small programmable devices that control multiple Pioneer industrial DVD video players in repeating loops. All DVD players come with standard international power supplies that can be switched between 110 and 220 volts from the back panel, and use standard international IEC power cords. Our accessories include special control cables, kiosk buttons and Syncstart box.