The Alesis micron is a compact three octave portable keyboard. The micron is an eight voice analog modelling synthesiser. The Alesis micron contains a power sequencing section. The Alesis micron has the perfect stage and studio ready quality. The tough and rugged micron keyboard is a portable tool with excellent sonic output in all kind of the environment. The micron features 8 voices each with 3 oscillators. It features a dedicated effective chip that offers reverb and delay. In addition, it has a highly versatile multitimbral mode, built-in sequencer and a rhythm programmer. The performance controls are limited to three assignable knobs that can be rotated by 360 degrees. A horizontal pitch bender and two horizontal assignable sliders labelled m1 and m2.

The micron offers continuously variable shapes, sync and FM synthesis. It consists of a 16 filer types that includes along with the two LFO with multiple wave shapes and sample and hold. The micron also features a programmable step sequencer. A powerful and intuitive modulation matrix is built in. It is a light weight and portable keyboard that contains 37 keys with velocity and velocity sensitivity. There are two analog outputs and two stereo analog inputs. The user interface is rounded off with seven additional buttons to the left of the display. Rhythms are alternative ways to create looping patterns consisting of up to 10 drums are selected using the rhythm button in conjunction with the keyboard. A neat touch is that the looping rhythm can be audited at any time by playing any of the lower notes on the keyboard. The individual drums can be played or recorded into the rhythm using the upper keys. The rhythm grid and lengths are set in the same way as the sequencer. The Alesis micron keyboard offers dynamic memory allocation rather than a fixed set of the program numbers. Whenever you save a program or a rhythm, the display gives the information about the remaining memory space. The Alesis micron has an opaque plastic control knob is the focal point. There are five tiny buttons that are around the focal point refers to the available various modes. The five modes are the programs, setups, config, rhythms and patterns. When any of these buttons are selected then the LED displays a green colour whereas while editing the notes the LED displays the red colour light. It is because the Config button is used only to edit various global setting and it is always red when selected. The pattern length range from a quarter of a bar to four bars and are optimised. The pattern grid may non destructive changed from unquantised to quantised intervals ranging from 8 steps per bar to 32 steps per bar.  The advantages of the Alesis micron keyboard are as follows. It has built in sequencer and rhythm programmer. It has a reverb or delayed effects. The power analogue modelling is at a tempting price. The disadvantages of the micron keyboard are it lacks after touch. It will not be more comfortable for some people and less user friendly. It requires the external power supply. The Alesis micron is a price is affordable.