The KETRON SD4 is a pocket size sound module designed for all PC and MIDI applications. Equipped with a new powerful sound engine, including a professional Stereo Grand Piano sound over 88 notes, huge Orchestral voices such as Saxophones, Brass, Woodwinds, Guitars, Accordions, Organ Digital Drawbars and many others, the SD4 has all the latest features for recording, programming and live performances.

The quality of the Solo instumental Voices (following the traditional KETRON Best Natural sound heritage) is a remarkable advantage the SD4 hos over its competitors. In addition to these, the SD4 hincludes very distinctive Audio Drum and Percussion Loops selected from Slow, Jazz, Latin, Acoustic, Traditional and Dance backgrounds.

Used in conjunction with a Computer, Master keyboard, MIDI accordion or MIDI guitar, the SD4 offers an "all-in-one" great sound resource that ban be used to greatly enhance standard MIDI files, as well as for Home and Studio compositions and recordings.

Its MIDI capability allows one to control up to 32 MIDI channnels and includes DSP effects such as Reverb, Chorus, Delay and Distortion.

THe SD4 can be directly connected to a mobile PC using a USB connection without need of power supply or it can be useful to interface Master keyboards lacking in USB ports. The two input MIDI ports allow one to play very high quality sounds while at the same time having an independent MIDI file playing. The SD4 permitis one to stack and edit all available tones to get new customized sounds that can be easily saved and reloded at any time. Editiing these tones is even further simplified by using the special free PC software (which can be downloaded at www.ketron.it).

Moreover, by the three potentiometers it is possible to change in real time the Midi file main parameters balancing the volume of the single tracks of the MIDI file or of the Preset sounds that are being used. A very useful function of "Intelligent Transposer is available for the MIDI file playback. This allows its key to be changed without altering the instrument's timbre.

Special configurations with the sound Map (Templates) are provided so the instruments can easily work with the most commonly used sequencer programs such as Cubase, Logic, Cakewalk ans well as the complete SD4 Drum Loop Library. Templates and Loop Libraries can be downloaded for free at the KETRON Internet site at www.ketron.it.