Marshall MS-2 Standard Micro Amp - The MS-2 is the ultimate in portable battery/mains adaptor operated micro amps, packing a full 1 Watt of Marshall tone into a tiny case measuring just 14 x 11 x 6cm. This mighty micro Marshall half-stack has switchable Clean and Overdrive modes. A single Tone control provides full focus of bass to treble. The MS-2 has a headphone output for those of you who want to rock in private. This output can also be used to effectively drive an external power amp.