Mobile stereo amplifier compact size to be able to carry easily. Possible stereo input. Ideal for playing recorder and keyboard, digital audio player. Capable of continuous use of 15 hours maximum six AA alkaline batteries ×. Built-in effect delay / reverb and Center Cancel, and chorus. Can be installed to the microphone stand. It is most suitable as a simple PA. Brand: Roland The multi-purpose mobile stereo amplifier compact that can easily carry. In response to the stereo input and output, as a monitor of the recorder and keyboard, as an amplifier such as a microphone or acoustic guitar, you can use it to connect a personal computer or digital audio player, such as electric guitar, a wide range of input source further. In addition, the battery also as it may, it is possible to utilize active in any place