Versatile and portable, the new M-3 Multifunctional portable amplifier delivers 120 watts of punch through a rugged, high-quality 12 inch coaxial customized COOLMUSIC two-way speaker. Additional advanced features includes build-in 99 digital effects, Mp3 player, build in LCD with blue light background. The amp also can be connected with one additional external speaker to reach a total 200W power rate. With 4 Channels input and various effects, the M-3 is built to handle a wide range of music applications, such as acoustic guitar, electronic keyboard, electronic drum etc. It can be easily and safely transported from location to location thanks for its built-in draw bar and wheels.