Yamaha NX-U02 USB Stereo Speaker Solution - Single speaker Amazing Sound - Gives a stereo effect from a single speaker. Colour is BLACK As New - Used maybe 5 times. With the spread of on-line music and video services, huge music collections can be created on PCs. While this lets you easily enjoy audio and music from your PC, the fact is that there are very few products capable of enveloping you in your favourite music with good quality sound. The NX-U02 changes that, making it convenient to play PC audio and music with powerful sound simply by connecting a single USB cable.Compact stereo speaker delivers up to 20W of powerPowerStorage™ technologyTwin SR-Bass technologyDual 4.5cm titanium cone speakersDigital sound reproduction via USB connectionNo need for an AC power supply, convenient single cable USB connection to a computer