Traynor BLOCK12 200W 1x12" Keyboard ComboOverview The Traynor Block12 keyboard combo amplifier delivers 200 Watts of clean power into a specially optimized 12 inch speaker horn combination. Four input channels allow direct connection to stereo keyboards, laptops, electronic drums, sound modules and microphones, making it the most compact mixer speaker solution in the Traynor line. A handy link function allows two Block12 amplifiers to be connected for stereo operation with double the input